Volume 30(2) pgs. 45-90,e139-e294 January 15, 2022

1. Editorial-In Memoriam: JAAOS Remembers Freddie H. Fu, FAAOS.

• pg. 45-49
• DOI: 10.5435/JAAOS-D-21-01043
• Levine, William N. MD; Beim, Gloria MD; Lin, Albert MD; Navarro, Ronald A. MD; West, Robin V. MD; Wright, Vonda MD, FAAOS

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2. Approach to Humeral Shaft Nonunion: Evaluation and Surgical Techniques.

• pg. 50-59
• DOI: 10.5435/JAAOS-D-21-00634
• Naclerio, Emily H. MD; McKee, Michael D. MD, FRCS(C)

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3. Vascularized Bone Grafts in Orthopaedic Surgery: A Review of Options and Indications.

• pg. 60-69
• DOI: 10.5435/JAAOS-D-20-01200
• Archual, Anthony J. MD; Bishop, Allen T. MD; Shin, Alexander Y. MD

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4. Patient-Reported Outcomes for Fractures of the Acetabulum: A Comparison Between Patient-Reported Outcomes Information System and Traditional Instruments.

• pg. 71-78
• DOI: 10.5435/JAAOS-D-20-01324
• Schumaier, Adam P. MD; Matar, Robert N. MD; Ramalingam, Wendy G. MD; Archdeacon, Michael T. MD, MSE

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5. A New Algorithm for Classifying Acetabular Fracture Patterns on Three-dimensional Computed Tomography Reconstructions Markedly Improves Residents' Ability to Correctly Classify Fractures.

• pg. 79-83
• DOI: 10.5435/JAAOS-D-20-00872
• Shaath, M. Kareem MD; Avilucea, Frank R. MD; Lim, Philip K. MD; "Chip" Routt, Milton L. Jr MD

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6. Virtual Reality as a Learning Tool for Trainees in Unicompartmental Knee Arthroplasty: A Randomized Controlled Trial.

• pg. 84-90
• DOI: 10.5435/JAAOS-D-20-01357
• Zaid, Musa B. MD; Dilallo, Marcus MD; Shau, David MD; Ward, Derek T. MD; Barry, Jeffrey J. MD

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7. Understanding Radiographic Measurements Used in Foot and Ankle Surgery.

• pg. e139-e154
• DOI: 10.5435/JAAOS-D-20-00189
• Lau, Brian C. MD; Allahabadi, Sachin MD; Palanca, Ariel MD; Oji, David E. MD

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8. Safety of Influenza Vaccination During Orthopaedic Surgery Hospitalizations.

• pg. e155-e163
• DOI: 10.5435/JAAOS-D-21-00101
• Navarro, Ronald A. MD; Lin, Charles C. MD, MS; Colli, Bailey Bs; Qian, Lei PhD; Liu, In-Lu Amy MS; Sy, Lina S. MPH; Jacobsen, Steven J. MD, PhD; Tartof, Sara Y. PhD, MPH

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9. Adjusting for Variation in Patient-Reported Outcome Measures Is Needed to Improve Care After Total Knee Arthroplasty.

• pg. e164-e172
• DOI: 10.5435/JAAOS-D-20-01371
• Solberg, Leif I. MD; Chrenka, Ella MS; Asche, Steve E. MA; Johnson, Paul G. MD; Ziegenfuss, Jeanette Y. PhD; Horst, Patrick K. MD; Cunningham, Brian P. MD; Reams, Megan MA; Swiontkowski, Marc F. MD

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10. Accuracy of Radiographic Displacement Measurement in a Pelvic Ring Injury Model.

• pg. e173-e181
• DOI: 10.5435/JAAOS-D-20-01055
• Hashmi, Sohaib Zafar MD; Butler, Bennet MD; Johnson, Daniel MD; Wun, Kelly MD; Sherman, Alan BS; Summers, Hobie MD; Stover, Michael MD

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11. Racial and Ethnic Disparities in Hip Fracture Surgery Care in the United States From 2006 to 2015: A Nationwide Trends Study.

• pg. e182-e190
• DOI: 10.5435/JAAOS-D-21-00137
• Amen, Troy B. MD, MBA; Varady, Nathan H. MD, MBA; Shannon, Evan M. MD, MPH; Chopra, Ahab BS; Rajaee, Sean MD; Chen, Antonia F. MD, MBA

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12. Industry Payment Trends to Orthopaedic Surgeons From 2014 to 2018: An Analysis of the First 5 Years of the Open Payments Database.

• pg. e191-e198
• DOI: 10.5435/JAAOS-D-21-00412
• Heckmann, Nathanael D. MD; Mayfield, Cory K. MD; Chung, Brian C. BS; Christ, Alexander B. MD; Lieberman, Jay R. MD

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13. Prevalence of Individual Differences in Tibial Torsion: A CT-Based Study.

• pg. e199-e203
• DOI: 10.5435/JAAOS-D-21-00406
• Volkmar, Alexander J. MD; Stinner, Daniel J. MD; Pennings, Jacquelyn PhD; Mitchell, Philip M. MD

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14. The Impact of Diabetes on Osteoporosis Management and Secondary Fracture Risk After Primary Fragility Fractures: A Propensity Score-Matched Cohort Study.

• pg. e204-e212
• DOI: 10.5435/JAAOS-D-21-00185
• Ross, Bailey J. BA; Lee, Olivia C. MD; Harris, Mitchel B. MD; Dowd, Thomas C. MD; Savoie, Felix H. III MD; Sherman, William F. MD, MBA

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15. The Opioid Epidemic in the United States: Where Do Patients Requiring Elective Arthroplasty Stand?.

• pg. e213-e222
• DOI: 10.5435/JAAOS-D-21-00360
• Premkumar, Ajay MD, MPH; Zhong, Haoyan MPH; Krell, Ethan MS; Liu, Jiabin MD, PhD; Memtsoudis, Stavros MD, PhD, MBA; Poeran, Jashvant MD, PhD; Della Valle, Alejandro Gonzalez MD

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16. The Accuracy of Three-Dimensional CT Scan Software in Predicting Prosthetic Utilization in Total Shoulder Arthroplasty.

• pg. e223-e232
• DOI: 10.5435/JAAOS-D-21-00641
• Baumgarten, Keith M. MD; Radtke, Logan MD

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17. Safety and Cost Effectiveness of Outpatient Total Shoulder Arthroplasty: A Systematic Review.

• pg. e233-e241
• DOI: 10.5435/JAAOS-D-21-00562
• Calkins, Tyler E. MD; Mosher, Zachary A. MD; Throckmorton, Thomas W. MD; Brolin, Tyler J. MD

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18. Preoperative Opioid Use Predicts Postoperative Opioid Use and Inferior Clinically Notable Outcomes After Total Shoulder Arthroplasty.

• pg. e242-e251
• DOI: 10.5435/JAAOS-D-21-00319
• Lu, Yining MD; Cohn, Matthew R. MD; Baker, James BA; Garrigues, Grant MD; Nicholson, Gregory MD; Verma, Nikhil MD; Cole, Brian J. MD, MBA; Forsythe, Brian MD

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19. Laser Marking of Spine Rods Is Strongly Associated With Risk of Clinical Rod Failure.

• pg. e252-e263
• DOI: 10.5435/JAAOS-D-20-00866
• Ayers, Reed PhD; Noschenko, Andriy PhD; Ou-Yang, David MD; Burger, Evalina MD; Patel, Vikas MD; Kleck, Christopher J. MD

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20. Potential Financial Effects on Hospitals of the Removal of Common Orthopaedic and Spinal Procedures From Medicare's "Inpatient-Only" List: A Comparison of the Medicare Fee-for-service Payment Model Versus Maryland's Global Budget Revenue Model.

• pg. e264-e271
• DOI: 10.5435/JAAOS-D-21-00690
• Locke, Charles F. S. MD; Hirsch, Ronald L. MD; Hu, Edward P. MD; Hughes, Andrew H. MD; Ficke, James R. MD

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21. Did You Think You Would Die?: Fear of Death and Its Relationship to the Development of Posttraumatic Stress Disorder After Traumatic Injury.

• pg. e272-e278
• DOI: 10.5435/JAAOS-D-20-01438
• Simske, Natasha M. BS; Joseph, Noah M. MD, MS; Rascoe, Alexander MD, MBA; Kalina, Mark Jr; Simpson, Megen MEd; Hendrickson, Sarah B. MEd; Vallier, Heather A. MD

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22. How Does Tibial Pin Placement in Navigated Total Knee Arthroplasty Affect the Torsional Strength of the Tibia?.

• pg. e279-e286
• DOI: 10.5435/JAAOS-D-21-00240
• McChesney, Grant R. MD; Morris, Randal P. BS; Al Barghouthi, Abeer BS; Travascio, Francesco PhD; Latta, Loren L. PhD; Lindsey, Ronald W. MD, FACS

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23. Melatonin Does Not Improve Sleep Quality in a Randomized Placebo-controlled Trial After Primary Total Joint Arthroplasty.

• pg. e287-e294
• DOI: 10.5435/JAAOS-D-21-00243
• Clarkson, Samuel J. MD; Yayac, Michael F. MD; Rondon, Alexander J. MD, MBA; Smith, Brian M. BS; Purtill, James J. MD

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