Year Book of Orthopedics 2015

1. Cover image - p. 1 2. Title page - p. 2 3. Table of Contents - p. 3 4. 1. Basic Science - p. 9 5. Inhibition of 5-LOX, COX-1, and COX-2 Increases Tendon Healing and Reduces Muscle Fibrosis and Lipid Accumulation After Rotator Cuff Repair - p. 10 6. Glucocorticoids induce specific ion-channel-mediated toxicity in human rotator cuff tendon: a mechanism underpinning the ultimately deleterious effect of steroid injection in tendinopathy? - p. 11 7. Distinct Effects of Platelet-Rich Plasma and BMP13 on Rotator Cuff Tendon Injury Healing in a Rat Model - p. 12 8. Fluoroquinolones Impair Tendon Healing in a Rat Rotator Cuff Repair Model: A Preliminary Study - p. 13 9. A Myofibroblast–Mast Cell–Neuropeptide Axis of Fibrosis in Post-Traumatic Joint Contractures: An In Vitro Analysis of Mechanistic Components - p. 14 10. Association Between Metabolic Syndrome, Radiographic Knee Osteoarthritis, and Intensity of Knee Pain: Results of a National Survey - p. 15 11. A Lexicon for Wear of Metal-on-Metal Hip Prostheses - p. 16 12. Characterization of Macrophage Polarizing Cytokines in the Aseptic Loosening of Total Hip Replacements - p. 17 13. Are Harris Hip Scores and Gait Mechanics Related Before and After THA? - p. 18 14. 2. General Orthopedics - p. 19 15. Clinical Practice Guidelines: Their Use, Misuse and Future Directions - p. 20 16. Evaluation of the First-Generation AAOS Clinical Guidelines on the Prophylaxis of Venous Thromboembolic Events in Patients Undergoing Total Joint Arthroplasty: Experience with 3289 Patients from a Single Institution - p. 21 17. Occupational Hazards for Pregnant or Lactating Women in the Orthopaedic Operating Room - p. 22 18. ACGME Duty Hour Requirements: Perceptions and Impact on Resident Training and Patient Care - p. 23 19. Availability of Consumer Prices for Bunion Surgery - p. 24 20. American Medical Society for Sports Medicine Position Statement: Interventional Musculoskeletal Ultrasound in Sports Medicine - p. 25 21. Approach to Pain Management in Chronic Opioid Users Undergoing Orthopaedic Surgery - p. 26 22. A systematic review and meta-analysis of the topical administration of tranexamic acid in total hip and knee replacement - p. 27 23. Can Therapy Dogs Improve Pain and Satisfaction After Total Joint Arthroplasty? A Randomized Controlled Trial - p. 28 24. Evaluation of Malnutrition in Orthopaedic Surgery - p. 29 25. “When can I Return to driving?”: a review of the current literature on returning to driving after lower limb injury or arthroplasty - p. 30 26. Obesity, Orthopaedics and Outcomes - p. 31 27. 1-year follow-up of 920 hip and knee arthroplasty patients after implementing fast-track: Good outcomes in a Norwegian university hospital - p. 32 28. Do Patients With Insulin-dependent and Noninsulin-dependent Diabetes Have Different Risks for Complications After Arthroplasty? - p. 33 29. Diagnosis and Management of Soft-tissue Masses - p. 34 30. Oncologic Conditions That Simulate Common Sports Injuries - p. 35 31. Anterior knee pain caused by patellofemoral pain syndrome can be relieved by Botulinum toxin type A injection - p. 36 32. Incidence of Symptomatic and Asymptomatic Venous Thromboembolism After Elective Knee Arthroscopic Surgery: A Retrospective Study With Routinely Applied Venography - p. 37 33. Acetabular anteversion is associated with gluteal tendinopathy at MRI - p. 38 34. Evaluating the Quality of Internet Information for Femoroacetabular Impingement - p. 39 35. Factors Associated With the Failure of Surgical Treatment for Femoroacetabular Impingement: Review of the Literature - p. 40 36. Arthroscopic surgery for degenerative tears of the meniscus: a systematic review and meta-analysis - p. 41 37. Cost analysis of fresh-frozen femoral head allografts: Is it worthwhile to run a bone bank? - p. 42 38. 3. Forearm, Wrist and Hand - p. 43 39. 3.1. Evaluation and Diagnosis - p. 44 40. Distal Radial Fractures in Older Men: A Missed Opportunity? - p. 45 41. Effect of Anxiety and Catastrophic Pain Ideation on Early Recovery After Surgery for Distal Radius Fractures - p. 46 42. Does the CT improve inter- and intra-observer agreement for the AO, Fernandez and Universal classification systems for distal radius fractures? - p. 47 43. The Influence of Vitamin C on the Outcome of Distal Radial Fractures: A Double-Blind, Randomized Controlled Trial - p. 48 44. 3.2. Forearm and Wrist - p. 49 45. Arthroscopic Management of Chronic Unstable Scaphoid Nonunions: Effects on Restoration of Carpal Alignment and Recovery of Wrist Function - p. 50 46. Does osteoporosis have a negative effect on the functional outcome of an osteoporotic distal radial fracture treated with a volar locking plate? - p. 51 47. The Effect of Brachioradialis Release During Distal Radius Fracture Fixation on Elbow Flexion Strength and Wrist Function - p. 52 48. Reduction and Association of the Scaphoid and Lunate Procedure: Short-Term Clinical and Radiographic Outcomes - p. 53 49. Application of 3-Dimensional Printing in Hand Surgery for Production of a Novel Bone Reduction Clamp - p. 54 50. Accelerated Rehabilitation Compared with a Standard Protocol After Distal Radial Fractures Treated with Volar Open Reduction and Internal Fixation: A Prospective, Randomized, Controlled Study - p. 55 51. Distal Scaphoid Resection for Degenerative Arthritis Secondary to Scaphoid Nonunion: A 20-Year Experience - p. 56 52. Biomechanical Comparison of Bicortical Locking Versus Unicortical Far-Cortex–Abutting Locking Screw-Plate Fixation for Comminuted Radial Shaft Fractures - p. 57 53. 3.3. Hand - p. 58 54. Return to Football and Long-Term Clinical Outcomes After Thumb Ulnar Collateral Ligament Suture Anchor Repair in Collegiate Athletes - p. 59 55. Acute Surgical Management of Hand Burns - p. 60 56. Rigid versus semi-rigid orthotic use following TMC arthroplasty: A randomized controlled trial - p. 61 57. Comparison of Arthroplasties With or Without Bone Tunnel Creation for Thumb Basal Joint Arthritis: A Randomized Controlled Trial - p. 62 58. 3.4. Nerve - p. 63 59. Prognostic factors for outcome after median, ulnar, and combined median–ulnar nerve injuries: A prospective study - p. 64 60. The anatomical relationship of the superficial radial nerve and the lateral antebrachial cutaneous nerve: A possible factor in persistent neuropathic pain - p. 65 61. An Outcomes Protocol for Carpal Tunnel Release: A Comparison of Outcomes in Patients With and Without Medical Comorbidities - p. 66 62. Outcomes of Revision Surgery for Cubital Tunnel Syndrome - p. 67 63. 4. Elbow - p. 68 64. Does Nonsurgical Treatment Improve Longitudinal Outcomes of Lateral Epicondylitis Over No Treatment? A Meta-analysis - p. 69 65. Long-term Outcomes After Ulnar Collateral Ligament Reconstruction in Competitive Baseball Players: Minimum 10-Year Follow-up - p. 70 66. Delayed-Onset Ulnar Neuritis After Release of Elbow Contractures: Clinical Presentation, Pathological Findings, and Treatment - p. 71 67. Capitellar Fractures—Is Open Reduction and Internal Fixation Necessary? - p. 72 68. Can We Treat Select Terrible Triad Injuries Nonoperatively? - p. 73 69. Anconeus Interposition Arthroplasty: Mid- to Long-term Results - p. 74 70. 5. Shoulder and Elbow - p. 75 71. A retrospective analysis of 509 consecutive interscalene catheter insertions for ambulatory surgery - p. 76 72. Cytotoxic Effects of Ropivacaine, Bupivacaine, and Lidocaine on Rotator Cuff Tenofibroblasts - p. 77 73. Are Serum Lipids Involved in Primary Frozen Shoulder? A Case-Control Study - p. 78 74. Hill-Sachs Lesions in Shoulders With Traumatic Anterior Instability: Evaluation Using Computed Tomography With 3-Dimensional Reconstruction - p. 79 75. Evidence in managing traumatic anterior shoulder instability: a scoping review - p. 80 76. External Rotation Immobilization for Primary Shoulder Dislocation: A Randomized Controlled Trial - p. 81 77. Latarjet, Bristow, and Eden-Hybinette Procedures for Anterior Shoulder Dislocation: Systematic Review and Quantitative Synthesis of the Literature - p. 82 78. A Survey of Expert Opinion Regarding Rotator Cuff Repair - p. 83 79. A Prospective Evaluation of Survivorship of Asymptomatic Degenerative Rotator Cuff Tears - p. 84 80. Arthroscopic Versus Mini-Open Rotator Cuff Repair: An Up-to-Date Meta-analysis of Randomized Controlled Trials - p. 85 81. Knot Impingement After Rotator Cuff Repair: Is It Real? - p. 86 82. Is Arthroscopic Distal Clavicle Resection Necessary for Patients With Radiological Acromioclavicular Joint Arthritis and Rotator Cuff Tears? A Prospective Randomized Comparative Study - p. 87 83. Arthroscopic Repair of Full-Thickness Rotator Cuff Tears With and Without Acromioplasty: Randomized Prospective Trial With 2-Year Follow-up - p. 88 84. Early Passive Motion Versus Immobilization After Arthroscopic Rotator Cuff Repair - p. 89 85. How often do surgeons intervene on shoulder labral lesions detected at MR examination? A retrospective review of MR examinations correlated with arthroscopy - p. 90 86. Hospital Readmissions After Surgical Treatment of Proximal Humerus Fractures: Is Arthroplasty Safer Than Open Reduction Internal Fixation? - p. 91 87. High Incidence of Hemiarthroplasty for Shoulder Osteoarthritis Among Recently Graduated Orthopaedic Surgeons - p. 92 88. Arthroscopic Tissue Culture for the Evaluation of Periprosthetic Shoulder Infection - p. 93 89. 6. Spine - p. 94 90. Comparison of complications, costs, and length of stay of three different lumbar interbody fusion techniques: an analysis of the Nationwide Inpatient Sample database - p. 95 91. Outcomes and Complications of Diabetes Mellitus on Patients Undergoing Degenerative Lumbar Spine Surgery - p. 96 92. A Review of Osteoporotic Vertebral Fracture Nonunion Management - p. 97 93. The Cascade of Medical Services and Associated Longitudinal Costs Due to Nonadherent Magnetic Resonance Imaging for Low Back Pain - p. 98 94. Impact of Increased Body Mass Index on Outcomes of Elective Spinal Surgery - p. 99 95. Variations in Medicare payments for episodes of spine surgery - p. 100 96. The use of bone morphogenetic protein in thoracolumbar spine procedures: analysis of the MarketScan longitudinal database - p. 101 97. Surgeon Specialty and Outcomes After Elective Spine Surgery - p. 102 98. Variability in Spine Surgery Procedures Performed During Orthopaedic and Neurological Surgery Residency Training: An Analysis of ACGME Case Log Data - p. 103 99. Diagnostic accuracy of history taking to assess lumbosacral nerve root compression - p. 104 100. Cost savings analysis of intrawound vancomycin powder in posterior spinal surgery - p. 105 101. A retrospective study of iliac crest bone grafting techniques with allograft reconstruction: do patients even know which iliac crest was harvested? - p. 106 102. Epidural Steroid Injections, Conservative Treatment, or Combination Treatment for Cervical Radicular Pain: A Multicenter, Randomized, Comparative-effectiveness Study - p. 107 103. Differences in the surgical treatment of recurrent lumbar disc herniation among spine surgeons in the United States - p. 108 104. Imaging, Clearance, and Controversies in Pediatric Cervical Spine Trauma - p. 109 105. Nasal MRSA colonization: Impact on surgical site infection following spine surgery - p. 110 106. A perioperative cost analysis comparing single-level minimally invasive and open transforaminal lumbar interbody fusion - p. 111 107. Orthosis versus no orthosis for the treatment of thoracolumbar burst fractures without neurologic injury: a multicenter prospective randomized equivalence trial - p. 112 108. Cost Analysis of Incidental Durotomy in Spine Surgery - p. 113 109. No difference in postoperative complications, pain, and functional outcomes up to 2 years after incidental durotomy in lumbar spinal fusion: a prospective, multi-institutional, propensity-matched analysis of 1,741 patients - p. 114 110. 7. Total Hip Arthroplasty - p. 115 111. Exercise therapy may postpone total hip replacement surgery in patients with hip osteoarthritis: a long-term follow-up of a randomised trial - p. 116 112. Age- and health-related quality of life after total hip replacement; Decreasing gains in patients above 70 years of age - p. 117 113. Activity Levels and Functional Outcomes of Young Patients Undergoing Total Hip Arthroplasty - p. 118 114. Associations Between Preoperative Physical Therapy and Post-Acute Care Utilization Patterns and Cost in Total Joint Replacement - p. 119 115. Effectiveness and safety of different duration of thromboprophylaxis in 16,865 hip replacement patients - A real-word, prospective observational study - p. 120 116. Factors Affecting Readmission Rates Following Primary Total Hip Arthroplasty - p. 121 117. Does Obesity Affect Outcomes After Hip Arthroscopy? A Cohort Analysis - p. 122 118. High Early Failure Rate After Cementless Hip Replacement in the Octogenarian - p. 123 119. Acetabular Fractures Converted to Total Hip Arthroplasties in the Elderly: How Does Function Compare to Primary Total Hip Arthroplasty? - p. 124 120. Functional Outcomes After Total Hip Arthroplasty for the Acute Management of Acetabular Fractures: 1- to 14-Year Follow-up - p. 125 121. Acute total hip replacement for acetabular fractures: A systematic review of the literature - p. 126 122. Hemiarthroplasty using cemented or uncemented stems of proven design: A comparative study - p. 127 123. Hip Resurfacing versus Total Hip Arthroplasty: A Systematic Review Comparing Standardized Outcomes - p. 128 124. 10-year results of the uncemented Allofit press-fit cup in young patients: 121 hips followed for 10–12 years - p. 129 125. Athletic activity after lower limb arthroplasty: A systematic review of current evidence - p. 130 126. Changes in blood ion levels after removal of metal-on-metal hip replacements: 16 patients followed for 0–12 months - p. 131 127. Can Wear Explain the Histological Variation Around Metal-on-metal Total Hips? - p. 132 128. New polyethylenes in total hip replacement: A ten- to 12-year follow-up study - p. 133 129. Have cementless and resurfacing components improved the medium-term results of hip replacement for patients under 60 years of age? Patient-reported outcome measures, implant survival, and costs in 24,709 patients - p. 134 130. Do Serologic and Synovial Tests Help Diagnose Infection in Revision Hip Arthroplasty With Metal-on-metal Bearings or Corrosion? - p. 135 131. Dislocation after the first and multiple revision total hip arthroplasty: comparison between acetabulum-only, femur-only and both component revision hip arthroplasty - p. 136 132. Functional and radiological outcome of periprosthetic femoral fractures after hip arthroplasty - p. 137 133. Autologous wound drains have no effect on allogeneic blood transfusions in primary total hip and knee replacement: a three-arm randomised trial - p. 138 134. 8. Total Knee ArthroPlasty - p. 139 135. Dramatic Increase in Total Knee Replacement Utilization Rates Cannot Be Fully Explained by a Disproportionate Increase Among Younger Patients - p. 140 136. Intermediate and Long-Term Quality of Life After Total Knee Replacement: A Systematic Review and Meta-Analysis - p. 141 137. Chronic Postoperative Pain After Primary and Revision Total Knee Arthroplasty - p. 142 138. Dissatisfied patients after total knee arthroplasty: A registry study involving 114 patients with 8–13 years of follow-up - p. 143 139. 45-day mortality after 467 779 knee replacements for osteoarthritis from the National Joint Registry for England and Wales: An observational study - p. 144 140. Adverse outcomes after total and unicompartmental knee replacement in 101 330 matched patients: A study of data from the National Joint Registry for England and Wales - p. 145 141. Implant design influences patient outcome after total knee arthroplasty: a prospective double-blind randomised controlled trial - p. 146 142. A systematic review and meta-analysis of patient-specific instrumentation for improving alignment of the components in total knee replacement - p. 147 143. A comparison of patient-specific and conventional instrumentation for total knee arthroplasty: a multicentre randomised controlled trial - p. 148 144. All-Polyethylene Versus Metal-Backed Tibial Components—An Analysis of 27,733 Cruciate-Retaining Total Knee Replacements from the Swedish Knee Arthroplasty Register - p. 149 145. Comparative Survivorship of Different Tibial Designs in Primary Total Knee Arthroplasty - p. 150 146. Does the length of incision in the quadriceps affect the recovery of strength after total knee replacement? a prospective randomised clinical trial - p. 151 147. Symptomatic Flexion Instability in Posterior Stabilized Primary Total Knee Arthroplasty - p. 152 148. CORR Insights®: Rotating-platform TKA No Different from Fixed-bearing TKA Regarding Survivorship or Performance: A Meta-analysis - p. 153 149. In-Hospital Complication Rates and Associated Factors After Simultaneous Bilateral Versus Unilateral Total Knee Arthroplasty - p. 154 150. Morbid Obesity: A Significant Risk Factor for Failure of Two-Stage Revision Total Knee Arthroplasty for Infection - p. 155 151. Arthrodesis Should Be Strongly Considered After Failed Two-stage Reimplantation TKA - p. 156 152. Failure of aseptic revision total knee arthroplasties: 145 revision failures from the Norwegian Arthroplasty Register, 1994-2011 - p. 157 153. Porous Tantalum Metaphyseal Cones for Severe Tibial Bone Loss in Revision Knee Arthroplasty: A Five to Nine-Year Follow-up - p. 158 154. 9. Foot and Ankle - p. 159 155. Autologous Chondrocyte Implantation of the Ankle: 2- to 10-Year Results - p. 160 156. Influence of foot ulceration on cause-specific mortality in patients with diabetes mellitus - p. 161 157. Efficacy of topical recombinant human platelet-derived growth factor for treatment of diabetic lower-extremity ulcers: Systematic review and meta-analysis - p. 162 158. Low Wound Complication Rates for the Lateral Extensile Approach for Calcaneal ORIF When the Lateral Calcaneal Artery Is Patent - p. 163 159. Does the Subtalar Joint Compensate for Ankle Malalignment in End-stage Ankle Arthritis? - p. 164 160. Comparison of Cannulated Screws Versus Compression Staples for Subtalar Arthrodesis Fixation - p. 165 161. Arthroscopic Treatment of Anterior Ankle Impingement: A Prospective Study of 46 Patients With 5-Year Follow-up - p. 166 162. Cryopreserved Human Amniotic Membrane Injection for Plantar Fasciitis: A Randomized, Controlled, Double-Blind Pilot Study - p. 167 163. Effect of Pathology on Union of First Metatarsophalangeal Joint Arthrodesis - p. 168 164. An Anatomical Study Comparing Two Surgical Approaches for Isolated Talonavicular Arthrodesis - p. 169 165. Correction of Moderate to Severe Hallux Valgus With Isometric First Metatarsal Double Osteotomy - p. 170 166. A comparison of proximal and distal Chevron osteotomy, both with lateral soft-tissue release, for moderate to severe hallux valgus in patients undergoing simultaneous bilateral correction: a prospective randomised controlled trial - p. 171 167. Minimally Invasive Reconstruction of the Lateral Ankle Ligaments Using Semitendinosus Autograft or Tendon Allograft - p. 172 168. Accelerated Versus Traditional Rehabilitation After Anterior Talofibular Ligament Reconstruction for Chronic Lateral Instability of the Ankle In Athletes - p. 173 169. Arthrodesis After Failed Total Ankle Replacement - p. 174 170. 10. Sports Medicine - p. 175 171. Levels of Evidence in the Clinical Sports Medicine Literature: Are We Getting Better Over Time? - p. 176 172. Impact of a State Concussion Law on Pediatric Emergency Department Visits - p. 177 173. Are pediatric concussion patients compliant with discharge instructions? - p. 178 174. Functional Outcomes and Return to Sports After Acute Repair, Chronic Repair, and Allograft Reconstruction for Proximal Hamstring Ruptures - p. 179 175. Chronic Complaints After Ankle Sprains: A Systematic Review on Effectiveness of Treatments - p. 180 176. Achilles Tendon Injury Risk Factors Associated with Running - p. 181 177. Acromial Apophysiolysis: Superior Shoulder Pain and Acromial Nonfusion in the Young Throwing Athlete - p. 182 178. A Systematic Review of Ulnar Collateral Ligament Reconstruction Techniques - p. 183 179. Factors Related to the Need for Surgical Reconstruction After Anterior Cruciate Ligament Rupture: A Systematic Review of the Literature - p. 184 180. Incidence and Trends of Anterior Cruciate Ligament Reconstruction in the United States - p. 185 181. Anterior Cruciate Ligament Tears in Children and Adolescents: A Meta-analysis of Nonoperative Versus Operative Treatment - p. 186 182. Are Magnetic Resonance Imaging Recovery and Laxity Improvement Possible After Anterior Cruciate Ligament Rupture in Nonoperative Treatment? - p. 187 183. Cost-Effectiveness Analysis of Early Reconstruction Versus Rehabilitation and Delayed Reconstruction for Anterior Cruciate Ligament Tears - p. 188 184. Femoral Nerve Block Is Associated With Persistent Strength Deficits at 6 months After Anterior Cruciate Ligament Reconstruction in Pediatric and Adolescent Patients - p. 189 185. Anterior Cruciate Ligament Injury and Radiologic Progression of Knee Osteoarthritis: A Systematic Review and Meta-analysis - p. 190 186. Anterior Cruciate Ligament Injury, Return to Play, and Reinjury in the Elite Collegiate Athlete: Analysis of an NCAA Division I Cohort - p. 191 187. A Radiographic Assessment of Failed Anterior Cruciate Ligament Reconstruction: Can Magnetic Resonance Imaging Predict Graft Integrity? - p. 192 188. 11. Trauma and Amputation - p. 193 189. 11.1. Pelvic and Acetabular Fracture - p. 194 190. Treatment of Acetabulum Fractures Through the Modified Stoppa Approach: Strategies and Outcomes - p. 195 191. Acetabular fractures with marginal impaction: mid-term results - p. 196 192. Open Reduction and Internal Fixation of Acetabulum Fractures: Does Timing of Surgery Affect Blood Loss and OR Time? - p. 197 193. Indomethacin Prophylaxis for Heterotopic Ossification after Acetabular Fracture Surgery Increases the Risk for Nonunion of the Posterior Wall - p. 198 194. 11.2. Femur Fractures - p. 199 195. An anatomical study of the entry point in the greater trochanter for intramedullary nailing - p. 200 196. Ipsilateral Proximal Femur and Shaft Fractures Treated With Hip Screws and a Reamed Retrograde Intramedullary Nail - p. 201 197. Assessing Leg Length After Fixation of Comminuted Femur Fractures - p. 202 198. 11.3. Hip Fracture - p. 203 199. Predictors of failure for cephalomedullary nailing of proximal femoral fractures - p. 204 200. Peri-operative mortality after hemiarthroplasty for fracture of the hip: does cement make a difference? - p. 205 201. 11.4. Knee - p. 206 202. Plating of Patella Fractures: Techniques and Outcomes - p. 207 203. The outcome following fixation of bicondylar tibial plateau fractures - p. 208 204. The usefulness of MRI and arthroscopy in the diagnosis and treatment of soft-tissue injuries associated with split-depression fractures of the lateral tibial condyle - p. 209 205. 11.5. Early Fracture Fixation - p. 210 206. The Cost of After-Hours Operative Debridement of Open Tibia Fractures - p. 211 207. 11.6. Intramedullary Nailing of Tibial Diaphyseal Fractures - p. 212 208. Insertion of distal locking screws of tibial intramedullary nails: A comparison between the free-hand technique and the SURESHOTTM Distal Targeting System - p. 213 209. 11.7. Tibia Fractures - p. 214 210. Definitive Plates Overlapping Provisional External Fixator Pin Sites: Is the Infection Risk Increased? - p. 215 211. Micromotion in the fracture healing of closed distal metaphyseal tibial fractures: A multicentre prospective study - p. 216 212. Type III Open Tibia Fractures: Immediate Antibiotic Prophylaxis Minimizes Infection - p. 217 213. Evaluation of the Effectiveness of the Angular Stable Locking System in Patients with Distal Tibial Fractures Treated with Intramedullary Nailing: A Multicenter Randomized Controlled Trial - p. 218 214. 11.8. Foot and Ankle Fractures - p. 219 215. Early Ankle Movement Versus Immobilization in the Postoperative Management of Ankle Fracture in Adults: A Systematic Review and Meta-analysis - p. 220 216. Comparison of Lag Screw Versus Buttress Plate Fixation of Posterior Malleolar Fractures - p. 221 217. Fragility fractures of the ankle in the frail elderly patient: treatment with a long calcaneotalotibial nail - p. 222 218. The Effect of Syndesmosis Screw Removal on the Reduction of the Distal Tibiofibular Joint: A Prospective Radiographic Study - p. 223 219. 11.9. Upper Extremity - p. 224 220. Natural History of Anterior Chest Wall Numbness After Plating of Clavicle Fractures: Educating Patients - p. 225 221. Factors Predicting Complication and Reoperation Rates Following Surgical Fixation of Proximal Humeral Fractures - p. 226 222. Lack of Benefit of Physical Therapy on Function Following Supracondylar Humeral Fracture: A Randomized Controlled Trial - p. 227 223. Treatment of Olecranon Fractures With 2.4- and 2.7-mm Plating Techniques - p. 228 224. The Effect of C-Arm Position on Radiation Exposure During Fixation of Pediatric Supracondylar Fractures of the Humerus - p. 229 225. 12. Orthopedic Oncology - p. 230 226. 12.1. General Tumor - p. 231 227. Prognostic Effect of Erroneous Surgical Procedures in Patients with Osteosarcoma: Evaluation Using Propensity Score Matching - p. 232 228. Sarcoma Chemotherapy - p. 233 229. Surgical Site Infection in Orthopaedic Oncology - p. 234 230. Analysis of Surgical Site Infection after Musculoskeletal Tumor Surgery: Risk Assessment Using a New Scoring System - p. 235 231. Histopathological Diagnostic Discrepancies in Soft Tissue Tumours Referred to a Specialist Centre: Reassessment in the Era of Ancillary Molecular Diagnosis - p. 236 232. Cancer Risk from Bone Morphogenetic Protein Exposure in Spinal Arthrodesis - p. 237 233. What Is the Use of Imaging Before Referral to an Orthopaedic Oncologist? A Prospective, Multicenter Investigation - p. 238 234. Sarcoma Mid-Therapy [F-18]Fluorodeoxyglucose Positron Emission Tomography (FDG PET) and Patient Outcome - p. 239 235. Malignant Transformation in Chronic Osteomyelitis: Recognition and Principles of Management - p. 240 236. A Translational Study of the Neoplastic Cells of Giant Cell Tumor of Bone Following Neoadjuvant Denosumab - p. 241 237. 12.2. Metastatic Disease - p. 242 238. Surgical Management of Metastatic Long Bone Fractures: Principles and Techniques - p. 243 239. Management of Metastatic Bone Disease of the Acetabulum - p. 244 240. The Integration of Radiosurgery for the Treatment of Patients With Metastatic Spine Diseases - p. 245 241. Brain Metastasis in Bone and Soft Tissue Cancers: A Review of Incidence, Interventions, and Outcomes - p. 246 242. 12.3. Patient Outcomes - p. 247 243. Can Orthopedic Oncologists Predict Functional Outcome in Patients with Sarcoma after Limb Salvage Surgery in the Lower Limb? A Nationwide Study - p. 248 244. Assessment of Objective Ambulation in Lower Extremity Sarcoma Patients with a Continuous Activity Monitor: Rationale and Validation - p. 249 245. What Sports Activity Levels Are Achieved in Patients With Modular Tumor Endoprostheses of Osteosarcoma About the Knee? - p. 250 246. Do Patients With Ewing's Sarcoma Continue With Sports Activities After Limb Salvage Surgery of the Lower Extremity? - p. 251 247. What Are the Functional Outcomes of Endoprosthestic Reconstructions After Tumor Resection? - p. 252 248. Outcomes and Prognostic Factors for Ewing-Family Tumors of the Extremities - p. 253 249. 12.4. Tumor Resection/Reconstruction - p. 254 250. Pelvic Resection: Current Concepts - p. 255 251. What Are the 5-year Survivorship Outcomes of Compressive Endoprosthetic Osseointegration Fixation of the Femur? - p. 256 252. Survival of Modern Knee Tumor Megaprostheses: Failures, Functional Results, and a Comparative Statistical Analysis - p. 257 253. What Was the Survival of Megaprostheses in Lower Limb Reconstructions After Tumor Resections? - p. 258 254. Intercalary Allograft Reconstructions Following Resection of Primary Bone Tumors: A Nationwide Multicenter Study - p. 259 255. Should Fractures in Massive Intercalary Bone Allografts of the Lower Limb Be Treated With ORIF or With a New Allograft? - p. 260 256. Does Total Humeral Endoprosthetic Replacement Provide Reliable Reconstruction With Preservation of a Useful Extremity? - p. 261 257. Is Claviculo Pro Humeri of Value for Limb Salvage of Pediatric Proximal Humerus Sarcomas? - p. 262 258. Prognostic Risk Factors for the Development of Scoliosis After Chest Wall Resection for Malignant Tumors in Children - p. 263 259. Multilevel En Bloc Spondylectomy for Tumors of the Thoracic and Lumbar Spine Is Challenging But Rewarding - p. 264 260. 12.5. Benign Tumors - p. 265 261. Wait-and-See Policy as a First-Line Management for Extra-Abdominal Desmoid Tumors - p. 266 262. Unicameral Bone Cysts: General Characteristics and Management Controversies - p. 267 263. Liquid Nitrogen or Phenolization for Giant Cell Tumor of Bone?: A Comparative Cohort Study of Various Standard Treatments at Two Tertiary Referral Centers - p. 268