Foreword |
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xviii | |
Preface |
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xix | |
Acknowledgments |
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xx | |
Contributors |
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xxi | |
Section I Evaluation and Management |
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Editors: Patrick J. Cahill and Randal R. Betz |
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1 History of Scoliosis Treatment |
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2 | (9) |
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2 | (1) |
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1.2 Lewis Sayre, the Father of Orthopaedics |
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2 | (1) |
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3 | (1) |
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1.4 Russell A. Hibbs and Frederick H. Albee |
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3 | (1) |
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1.5 John Robert Cobb and the Cobb Angle for Scoliosis |
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3 | (1) |
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1.6 Fusion, Casting, and Prolonged Bedrest |
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4 | (1) |
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4 | (1) |
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1.8 Allen F. Dwyer and Anterior Instrumentation |
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4 | (1) |
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1.9 Zielke Instrumentation Anterior Surgery |
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5 | (1) |
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1.10 Kostuik-Harrington Anterior Instrumentation Utilizing Harrington Screws |
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5 | (1) |
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1.11 Luque Segmental Fixation |
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5 | (1) |
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1.12 Cotrel-Dubousset Instrumentation and 3D Concepts of AIS |
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6 | (1) |
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1.13 History of Pedicle Screws and Plates: King, Boucher, Roy-Camille |
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6 | (1) |
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1.14 Polyaxial Screws in Spine Surgery |
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7 | (1) |
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1.15 Segmental Application of Polyaxial Screw Constructs |
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7 | (1) |
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1.16 Suk and Harms Thoracic Screws in Deformity |
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7 | (1) |
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1.17 Spinal Instrumentation: Rods |
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7 | (1) |
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1.18 Scoliosis Classification Systems |
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7 | (1) |
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1.19 Osteotomies for Kyphosis and Scoliosis |
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8 | (1) |
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1.19.1 Thoracoplasty for Rib Prominence |
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8 | (1) |
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1.20 3D Understanding of Scoliosis and the Future |
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8 | (1) |
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1.21 History of Collaborative Research in Scoliosis |
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8 | (1) |
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9 | (2) |
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2 Etiological Theories of Idiopathic Scoliosis |
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11 | (18) |
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11 | (1) |
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2.2 Biomechanics of the Upright Human Spine as Related to the Sagittal Profile, Dorsal Shear Loads |
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11 | (6) |
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2.2.1 Evolution of the Human Pelvis, Pelvic Lordosis |
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11 | (1) |
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2.2.2 Dorsal Shear Loads Acting on the Human Spine |
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12 | (1) |
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2.2.3 Differences in Sagittal Spinal Alignment |
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13 | (1) |
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2.2.4 Preexistent Rotation of the Nonscoliotic Spine |
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14 | (3) |
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17 | (1) |
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2.3.1 Quadrupedal Animal Models |
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17 | (1) |
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2.3.2 Bipedal Animal Models |
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17 | (1) |
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2.3.3 Genetic Animal Models |
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18 | (1) |
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18 | (1) |
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2.4 The Role of the Intervertebral Disc |
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18 | (1) |
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2.5 Current Understanding of Genetics in AIS |
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19 | (1) |
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2.5.1 Genome-Wide Association Studies |
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19 | (1) |
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2.5.2 Differential Roles of Genetics and Environment Factors in Initiation/Progression of Deformity |
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19 | (1) |
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2.5.3 Clinical Implications |
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20 | (1) |
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2.5.4 Future Trends of Genetic Studies |
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20 | (1) |
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2.6 Bone Growth and Metabolism in Adolescent Idiopathic Scoliosis |
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20 | (3) |
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2.6.1 Abnormal Skeletal Growth |
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21 | (1) |
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2.6.2 Body Composition and Metabolic Dysfunction |
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21 | (1) |
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2.6.3 Low Bone Mineral Density, Abnormal Bone Structure and Qualities |
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21 | (1) |
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2.6.4 Abnormal Bone Turnover and Bone Cells Activity |
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21 | (1) |
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2.6.5 Lifestyle Factors Associated with Low BMD and Poor Bone Quality |
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22 | (1) |
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2.6.6 Bone Mass and Bone Qualities as Prognostic Factors of Curve Progression? |
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22 | (1) |
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2.6.7 Potential Clinical Intervention and Lifestyle Modification Targeting Bone Health that Might Affect the Curve Progression in Early AIS |
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22 | (1) |
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2.7 Central Nervous System |
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23 | (2) |
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2.7.1 Neurophysiological Dysfunction |
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24 | (1) |
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2.7.2 Neuromorphological Changes (MRI-Based Studies) |
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24 | (1) |
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25 | (1) |
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25 | (4) |
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3 Prevalence and Natural History |
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29 | (6) |
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29 | (1) |
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29 | (1) |
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3.2.1 Prevalence According to Genetic Factors |
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29 | (1) |
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29 | (1) |
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3.2.3 Prevalence by Gender |
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30 | (1) |
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3.2.4 Prevalence by Curves |
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30 | (1) |
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30 | (1) |
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31 | (1) |
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3.4.1 Curve Characteristics |
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31 | (1) |
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3.4.2 Stage of Skeletal Growth |
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31 | (1) |
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31 | (1) |
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3.6 Cardiopulmonary Function |
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32 | (1) |
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3.7 Psychosocial Issues and Cosmesis |
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32 | (1) |
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3.8 Future Insights into the Natural History of Scoliosis |
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33 | (1) |
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33 | (2) |
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4 Clinical and Radiographic Evaluation of Patients with Scoliosis |
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35 | (15) |
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35 | (1) |
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4.2 History and Clinical Presentation |
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35 | (1) |
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35 | (3) |
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4.4 Radiographic Evaluation |
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38 | (7) |
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4.5 Assessment of Skeletal Maturity |
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45 | (1) |
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46 | (1) |
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46 | (4) |
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5 Nonoperative Management of Adolescent Idiopathic Scoliosis |
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50 | (12) |
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50 | (1) |
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50 | (1) |
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51 | (1) |
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51 | (1) |
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52 | (1) |
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5.6 BrAIST and Factors Impacting Brace Success |
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53 | (4) |
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5.6.1 Factors Impacting Brace Effectiveness |
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54 | (1) |
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5.6.2 Psychosocial Effects of Bracing |
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55 | (2) |
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5.7 The Authors' Recommended Treatment Method |
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57 | (1) |
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57 | (1) |
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5.9 Conclusion and Future Directions |
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58 | (1) |
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58 | (4) |
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6 Classification of Adolescent Idiopathic Scoliosis for Surgical Intervention |
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62 | (12) |
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62 | (1) |
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62 | (10) |
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6.2.1 Historical Perspective |
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62 | (1) |
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6.2.2 King Classification |
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62 | (1) |
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6.2.3 Lenke Classification |
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63 | (8) |
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6.2.4 SRS Three-Dimensional Classification System |
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71 | (1) |
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72 | (1) |
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72 | (2) |
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7 Biomechanics and Correction of Scoliosis |
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74 | (9) |
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7.1 Introduction: Three-Dimensional Morphology of Scoliosis and Spine Biomechanics |
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74 | (1) |
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7.2 Deformity Correction Mechanics |
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74 | (2) |
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7.3 Growth Modulation Instrumentation Mechanics |
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76 | (1) |
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7.4 Multisegmental Correction Mechanics and Failure Modes |
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77 | (1) |
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7.5 Bone Implant Interface Failure Mode (Pullout and Nonaxial Loads) |
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78 | (1) |
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7.6 Long-Term Failure (Cyclic Loading) |
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79 | (1) |
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7.7 Complex Deformity Correction Problems (Proximal Junctional Kyphosis and Proximal Junctional Failure) |
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79 | (1) |
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80 | (1) |
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80 | (3) |
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8 Benefits of Teams and Teamwork in Spine Surgery Quality, Safety, and Value |
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83 | (10) |
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83 | (1) |
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83 | (1) |
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8.3 Building Safety and Belonging |
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84 | (1) |
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8.4 Team of Teams: Creating Shared Consciousness and Purpose |
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84 | (1) |
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8.5 A Tale of Two Team Building Efforts: Children's Hospital of Philadelphia and Children's Hospital of New York |
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85 | (4) |
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8.5.1 The CHOP Experience: The Value of Dedicated Surgical Teams: Bringing NASA and NASCAR Wisdom to Your Spine Operating Room |
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85 | (2) |
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8.5.2 Improving Throughput at Children's Hospital of New York: Leveraging a Comprehensive Unit-Based Safety Program |
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87 | (2) |
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89 | (4) |
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9 Clinical Implications of Three-Dimensional Analysis |
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93 | (9) |
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93 | (1) |
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9.2 History of Radiographic Analysis |
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93 | (1) |
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9.3 Three-Dimensional Reference Plane Definitions |
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94 | (5) |
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95 | (1) |
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95 | (1) |
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9.3.3 Transverse or Axial Plane |
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95 | (1) |
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9.3.4 Plane of Maximum Curvature |
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96 | (1) |
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9.3.5 The Role of MRI and CT Imaging in AIS |
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96 | (1) |
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9.3.6 Synchronized Biplanar Radiographic 3D Reconstruction |
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96 | (3) |
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9.4 2D Radiograph to 3D Measurement Conversion Techniques |
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99 | (1) |
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99 | (1) |
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99 | (3) |
Section II Surgical Considerations |
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Editors: Burt Yaszay, Firoz Miyanji, and Harry L. Shufflebarger |
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10 Selective versus Nonselective Fusion for Adolescent Idiopathic Scoliosis |
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102 | (12) |
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102 | (1) |
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10.2 Indications and Criteria |
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102 | (2) |
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10.3 Technical Aspects for Successful Selective Fusion |
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104 | (4) |
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10.3.1 Selection of Fusion Levels |
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104 | (4) |
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10.4 Correction Mechanics and Desired Correction |
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108 | (1) |
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10.4.1 Selective Thoracic Fusion |
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108 | (1) |
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10.5 Outcomes Following Selective Fusion |
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108 | (2) |
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110 | (1) |
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111 | (1) |
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112 | (2) |
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11 Selection of Fusion Levels |
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114 | (17) |
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11.1 Background/Historic Context |
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114 | (1) |
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11.2 History and Physical Examination |
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114 | (1) |
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11.3 Radiographic Evaluation |
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114 | (1) |
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11.4 Operative Algorithm/Goals |
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115 | (1) |
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11.5 Anterior Spinal Fusion Level Selection |
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115 | (1) |
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11.6 Posterior Spinal Fusion Level Selection |
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115 | (1) |
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11.7 UIV Selection in Posterior Fusions |
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116 | (1) |
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11.7.1 Upper Thoracic and Main Thoracic UIV |
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116 | (1) |
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11.7.2 Thoracolumbar Upper Instrumented Vertebra |
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116 | (1) |
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11.8 LIV Selection in Posterior Fusions |
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117 | (2) |
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11.8.1 Main Thoracic Lower Instrumented Vertebra |
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117 | (1) |
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11.8.2 Thoracolumbar Lower Instrumented Vertebra |
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118 | (1) |
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11.9 Detailed Discussion of Lenke Curve Types |
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119 | (6) |
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11.9.1 Type 1: Main Thoracic Curves |
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119 | (1) |
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11.9.2 Type 2: Double Thoracic Curves |
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119 | (1) |
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11.9.3 Type 3: Double Major Curves |
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119 | (1) |
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11.9.4 Type 4: Triple Major Curves |
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119 | (1) |
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11.9.5 Type 5: Thoracolumbar/Lumbar Curves |
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119 | (6) |
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11.9.6 Type 6: Thoracolumbar/Lumbar Main Thoracic Curves |
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125 | (1) |
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11.10 Other Considerations |
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125 | (1) |
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126 | (1) |
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127 | (4) |
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12 Posterior Correction Techniques in Adolescent Idiopathic Scoliosis |
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131 | (11) |
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131 | (1) |
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131 | (1) |
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132 | (1) |
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12.4 Correction Maneuvers |
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132 | (4) |
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12.4.1 Compression-Distraction |
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132 | (1) |
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12.4.2 Rod Derotation Maneuver |
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132 | (1) |
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12.4.3 In Situ Contouring |
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133 | (1) |
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12.4.4 Coronal and Sagittal Translation |
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133 | (1) |
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12.4.5 En Bloc Vertebral Derotation |
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134 | (1) |
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12.4.6 Segmental Vertebral Derotation |
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134 | (1) |
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12.4.7 Derotation via Differential Rod Contouring |
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134 | (1) |
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12.4.8 Cantilever Technique |
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134 | (1) |
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135 | (1) |
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12.4.10 Temporary Working Rods |
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135 | (1) |
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12.5 The Authors' Preferred Technique of Correction in Adolescent Idiopathic Scoliosis |
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136 | (1) |
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12.6 En Bloc Spinal Derotation Technique |
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137 | (1) |
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12.7 Segmental Spinal Derotation Technique with Two Rods |
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138 | (1) |
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12.8 The Authors' Preferred Technique for Reducing Spinal Deformity |
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139 | (1) |
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140 | (1) |
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140 | (2) |
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13 Halo Traction in Large Idiopathic Scoliotic Curves |
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142 | (7) |
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142 | (1) |
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13.2 Traction: The Risks and Benefits |
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142 | (1) |
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13.3 Preferred Methods of Preoperative Traction |
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143 | (2) |
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13.3.1 Halo-Femoral Traction |
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144 | (1) |
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13.3.2 Halo-Gravity Traction |
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144 | (1) |
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13.4 Complications and Contraindications |
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145 | (2) |
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147 | (2) |
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14 Indications and Techniques for Anterior Release and Fusion |
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149 | (12) |
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149 | (1) |
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14.2 History and Evolution of Anterior Approaches |
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149 | (1) |
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150 | (1) |
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151 | (1) |
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152 | (3) |
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155 | (1) |
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14.7 Lack of Posterior Elements/Neuromuscular Scoliosis |
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155 | (1) |
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156 | (1) |
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156 | (1) |
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157 | (1) |
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14.11 Thoracoabdominal Approach |
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158 | (1) |
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158 | (1) |
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159 | (2) |
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15 Posterior Releases: Pontes and Three-Column Osteotomies |
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161 | (10) |
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161 | (1) |
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15.2 Classification and History |
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161 | (4) |
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15.2.1 Classification of Posterior-Based Osteotomies |
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161 | (1) |
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15.2.2 History of Posterior Column Osteotomies (Schwab Type 2/Ponte/Smith-Petersen) |
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161 | (2) |
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15.2.3 Pedicle Subtraction Osteotomies (Type 3/4) |
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163 | (1) |
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15.2.4 Vertebral Column Resections (Type 5/6) |
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164 | (1) |
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165 | (2) |
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15.3.1 Posterior Column Osteotomies/Schwab Type 2 |
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165 | (2) |
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167 | (2) |
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15.4.1 Posterior Column Osteotomy/Schwab Type 2 |
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167 | (1) |
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15.4.2 Three-Column Osteotomy/Schwab Types 3, 4, 5, and 6 |
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167 | (2) |
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169 | (1) |
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169 | (2) |
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16 Surgical Treatment of the Right Thoracic Curve Pattern |
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171 | (16) |
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171 | (1) |
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16.2 Deformity Classification |
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171 | (4) |
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16.2.1 Three-Dimensional Analysis of the MT Curve |
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172 | (3) |
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16.3 Decisions Relating to Surgical Treatment |
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175 | (7) |
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16.3.1 Is a Surgically Instrumented Fusion Indicated? |
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175 | (1) |
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16.3.2 The Inclusion of Minor Curves in the Fusion |
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175 | (4) |
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16.3.3 To What Extent Should the Thoracic Curve Be Corrected for Ideal Balance? |
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179 | (1) |
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16.3.4 What Levels Should Be Included in the Fusion? |
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179 | (1) |
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16.3.5 What Is the Best Approach? |
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180 | (1) |
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16.3.6 When Is an Anterior Release Indicated? |
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180 | (2) |
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182 | (2) |
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16.4.1 Posterior Spinal Instrumentation and Fusion |
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182 | (1) |
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16.4.2 Open Anterior Spinal Instrumentation and Fusion |
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182 | (1) |
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16.4.3 Thoracoscopic Anterior Spinal Instrumentation and Fusion |
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182 | (2) |
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16.5 Summary of Treatment |
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184 | (1) |
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16.5.1 Recommendations for Lenke Type 1AR Curves |
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184 | (1) |
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16.5.2 Lenke Type 1AL/1B Curves |
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184 | (1) |
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16.5.3 Lenke Type 1C Curves |
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184 | (1) |
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184 | (1) |
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185 | (2) |
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17 Assessment and Management of Shoulder Balance |
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187 | (11) |
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187 | (1) |
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17.2 History and Relevance of Shoulder Balance |
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187 | (1) |
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17.2.1 Shoulder Balance in Normal Adolescents |
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187 | (1) |
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17.2.2 Relationship of Shoulder Balance with Outcome Scores |
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187 | (1) |
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17.3 Assessment of Shoulder Balance |
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188 | (3) |
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17.3.1 Clinical Evaluation of Shoulder Balance |
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188 | (1) |
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17.3.2 Radiographic Evaluation of Shoulder Balance |
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189 | (1) |
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17.3.3 Authors' Recommendation |
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190 | (1) |
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17.3.4 Relationship of Clinical and Radiographic Shoulder Balance |
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190 | (1) |
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17.4 Curve Patterns/Factors Associated with Shoulder Imbalance |
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191 | (1) |
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17.4.1 Magnitude and Flexibility of the Proximal Thoracic Curve |
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191 | (1) |
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17.4.2 Preoperative Shoulder Imbalance |
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191 | (1) |
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17.4.3 Authors' Recommendation |
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192 | (1) |
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17.5 Strategies to Achieve/Correct Shoulder Balance |
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192 | (2) |
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17.5.1 Upper Instrumented Vertebra Selection |
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192 | (1) |
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17.5.2 Technique for Deformity Correction and Impact on Shoulder Balance |
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193 | (1) |
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17.5.3 Relationship of Proximal Thoracic to Main Thoracic Correction |
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193 | (1) |
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17.5.4 Intraoperative Shoulder Balance Assessment |
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194 | (1) |
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17.5.5 Authors' Recommendation |
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194 | (1) |
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17.6 Postoperative Shoulder Balance |
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194 | (1) |
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17.6.1 Postoperative Changes in Alignment |
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194 | (1) |
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17.6.2 Patient-Reported Outcomes with Shoulder Imbalance |
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194 | (1) |
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195 | (1) |
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196 | (2) |
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18 Surgical Treatment of Lumbar and Thoracolumbar Curve Patterns (Lenke V) |
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198 | (5) |
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198 | (1) |
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18.2 Level Selection and Surgical Technique |
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198 | (2) |
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18.2.1 Upper and Lower Instrumented Vertebrae |
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198 | (1) |
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18.2.2 When Does Lenke 5 Become 6? |
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199 | (1) |
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18.2.3 Ponte Osteotomy in Lenke 5 Curves |
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199 | (1) |
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18.2.4 Correction Techniques in Lenke 5 Curves |
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199 | (1) |
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18.2.5 Outcomes in Lenke 5 Curves |
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200 | (1) |
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200 | (2) |
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202 | (1) |
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19 The Surgical Treatment of Double and Triple Curves (Lenke Types 3, 4, and 6) |
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203 | (8) |
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203 | (1) |
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203 | (1) |
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19.3 Treatment Principles |
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204 | (1) |
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19.4 Recent Trends in the Surgical Decision- Making Process |
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205 | (3) |
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208 | (1) |
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208 | (1) |
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208 | (3) |
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211 | (5) |
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211 | (1) |
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211 | (1) |
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212 | (1) |
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213 | (1) |
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20.5 Postoperative Management |
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213 | (1) |
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20.6 The Authors' Institutional Experience with Thoracoplasty |
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213 | (1) |
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214 | (1) |
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214 | (2) |
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21 Kyphosis Restoration in Adolescent Idiopathic Scoliosis |
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216 | (12) |
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216 | (1) |
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216 | (2) |
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21.3 Importance of Sagittal Plane Correction |
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218 | (1) |
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21.4 Surgical Restoration of Kyphosis |
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219 | (2) |
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219 | (1) |
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219 | (1) |
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21.4.3 Release of Spine: Posterior |
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219 | (1) |
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21.4.4 Anterior Surgery/Video-Assisted Thoracoscopic Surgery |
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220 | (1) |
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21.5 Posterior-Based Surgery |
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221 | (2) |
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221 | (1) |
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222 | (1) |
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21.5.3 Rod Properties and Techniques |
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222 | (1) |
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223 | (1) |
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223 | (5) |
Section III Postoperative Management |
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Editors: Steven W. Hwang and Amer F. Samdani |
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22 Long-Term Clinical and Radiographic Outcomes of Scoliosis |
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228 | (15) |
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228 | (1) |
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22.2 Long-Term Clinical Questions Answered |
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228 | (10) |
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22.2.1 Maintenance of Radiographic Correction |
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228 | (3) |
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231 | (2) |
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22.2.3 Pulmonary Function |
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233 | (1) |
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22.2.4 Spine Function, Mobility, and Health |
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234 | (2) |
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22.2.5 Health-Related Quality of Life |
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236 | (1) |
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22.2.6 Pregnancy and Childbirth |
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237 | (1) |
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22.2.7 Reoperations at Long-Term Follow-Up |
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238 | (1) |
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22.2.8 Comparison to Natural History |
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238 | (1) |
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22.3 Long-Term Clinical Questions Remaining |
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238 | (1) |
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239 | (1) |
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240 | (1) |
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240 | (3) |
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23 Infection in Adolescent Idiopathic Scoliosis |
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243 | (8) |
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243 | (1) |
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243 | (1) |
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23.3 Surveillance Periods for Surgical Site Infection |
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243 | (1) |
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23.3.1 Early versus Late Surgical Site Infection |
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243 | (1) |
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23.3.2 Deep versus Superficial Surgical Site Infection |
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243 | (1) |
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244 | (2) |
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23.4.1 Background and Incidence |
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244 | (1) |
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23.4.2 Risk Factors and Prevention |
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244 | (1) |
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23.4.3 Clinical Presentation and Evaluation |
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245 | (1) |
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246 | (1) |
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246 | (3) |
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247 | (1) |
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23.5.2 Evaluation and Initial Management |
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247 | (1) |
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23.5.3 Surgical Management |
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248 | (1) |
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248 | (1) |
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249 | (1) |
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249 | (2) |
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24 Complications and Reoperations in Adolescent Idiopathic Scoliosis |
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251 | (12) |
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251 | (1) |
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24.2 Intraoperative Complications |
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251 | (4) |
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24.3 Early Postoperative Complications |
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255 | (2) |
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24.4 Late Postoperative Complications |
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257 | (2) |
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24.5 Best Practice Guidelines |
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259 | (1) |
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260 | (1) |
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260 | (3) |
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263 | (10) |
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263 | (1) |
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263 | (1) |
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25.3 Preoperative Considerations |
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264 | (1) |
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264 | (1) |
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264 | (1) |
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265 | (1) |
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25.3.4 Patient/Parent Expectations |
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265 | (1) |
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25.4 Postoperative Management |
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265 | (3) |
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265 | (1) |
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265 | (1) |
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25.4.3 Nutrition and Bowel Management |
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266 | (1) |
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267 | (1) |
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268 | (1) |
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268 | (1) |
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268 | (5) |
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26 Untreated Late-Onset Idiopathic Scoliosis and Revision Surgery in Adults |
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273 | (11) |
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273 | (1) |
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26.2 Untreated Adolescent Idiopathic Scoliosis |
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273 | (2) |
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26.3 Preoperative Assessment and Nonoperative Treatment |
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275 | (1) |
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26.4 Complications and Mitigation of Complications in Adult Scoliosis Surgery |
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276 | (1) |
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26.5 Proximal and Distal Junctional Kyphosis |
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276 | (1) |
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26.6 Revision Surgery, Alignment, and HRQOL |
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276 | (1) |
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277 | (3) |
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26.8 Long-Term Follow-up after Adolescent Fusion |
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280 | (1) |
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281 | (3) |
Section IV Miscellaneous Topics |
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Editors: Paul D. Sponseller and Peter O. Newton |
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27 Osteobiologic Agents for Spinal Fusion |
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284 | (8) |
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284 | (1) |
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27.2 The Biology of Spinal Fusion |
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284 | (1) |
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27.3 Osteobiologic Products and Spinal Fusion |
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285 | (4) |
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27.3.1 Autogenous Bone Graft |
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285 | (1) |
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27.3.2 Allogenic Bone Graft |
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286 | (1) |
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27.3.3 Cadaveric Allograft |
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286 | (1) |
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287 | (1) |
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27.3.5 Demineralized Bone Matrix |
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287 | (1) |
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27.3.6 Osteoinductive Proteins |
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288 | (1) |
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27.3.7 Platelet Concentrates |
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289 | (1) |
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27.3.8 Growth and Differentiation Factor-5 |
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289 | (1) |
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289 | (1) |
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289 | (3) |
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28 Intraoperative Neuromonitoring |
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292 | (19) |
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292 | (1) |
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292 | (1) |
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28.2.1 Stagnara Wake-up Test |
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292 | (1) |
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292 | (1) |
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292 | (6) |
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28.3.1 Somatosensory Evoked Potentials |
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292 | (2) |
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28.3.2 Transcranial Motor Evoked Potentials |
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294 | (2) |
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296 | (1) |
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28.3.4 Triggered Electromyography |
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296 | (1) |
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28.3.5 Descending Neurogenic Evoked Potentials |
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297 | (1) |
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297 | (1) |
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297 | (1) |
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28.4 Anesthesia and Other Agents |
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298 | (1) |
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28.4.1 Inhalational Agents |
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298 | (1) |
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28.4.2 Total Intravenous Anesthesia |
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298 | (1) |
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28.5 Other Considerations |
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299 | (1) |
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299 | (1) |
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28.6 Change in Intraoperative Neuromonitoring |
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299 | (3) |
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28.6.1 Significant Change |
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299 | (1) |
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28.6.2 Team Response to Intraoperative Neuromonitoring Alert |
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299 | (1) |
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28.6.3 Timing of Change and Time to Return |
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300 | (1) |
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28.6.4 Rate of Injury in Adolescent Idiopathic Scoliosis |
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300 | (1) |
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28.6.5 Risk Factors for Changes in Intraoperative Neuromonitoring |
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301 | (1) |
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28.6.6 Delayed Postoperative Neurologic Deficit |
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302 | (1) |
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302 | (4) |
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302 | (2) |
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304 | (1) |
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304 | (1) |
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304 | (1) |
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305 | (1) |
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306 | (1) |
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307 | (4) |
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29 Anterior Growth Modulation |
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311 | (7) |
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311 | (2) |
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29.2 Clinical Application and Potential Complications |
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313 | (1) |
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313 | (3) |
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316 | (1) |
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316 | (1) |
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317 | (1) |
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30 Managing the Preadolescent Curve: Early Fusion versus Posterior Distraction |
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318 | (6) |
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318 | (1) |
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30.2 Spinal and Thoracic Growth |
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318 | (1) |
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30.3 Surgical Alternatives |
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318 | (1) |
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30.4 Growth-Friendly Techniques |
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318 | (1) |
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319 | (3) |
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322 | (1) |
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322 | (2) |
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31 The Development and Evolution of the Harms Study Group Registry |
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324 | (13) |
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324 | (1) |
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31.2 Development of a Study Group |
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324 | (3) |
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327 | (3) |
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31.4 Research Study Development and Evolution |
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330 | (1) |
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31.5 Surgeon/Site Participation |
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330 | (1) |
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31.5.1 Data Quality Assurance |
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330 | (1) |
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31.5.2 Study Group Strategic Plan: Formation of a 501(c)(3) Nonprofit |
|
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331 | (1) |
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31.6 The Power of Large Registries: Beyond the Research |
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|
331 | (3) |
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334 | (1) |
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|
335 | (2) |
Index |
|
337 | |