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What’s New in Spine Surgery
Buchowski, Jacob M.; Adogwa, Owoicho
doi : 10.2106/JBJS.21.00258
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1047-1053
Honoring the History of JBJS as the Foundation for Continued Progress in Our Field
Swiontkowski, Marc
doi : 10.2106/JBJS.21.00386
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1054
Machine Learning Algorithms Predict Functional Improvement After Hip Arthroscopy for Femoroacetabular Impingement Syndrome in Athletes
Kunze, Kyle N.; Polce, Evan M.; Clapp, Ian; Nwachukwu, Benedict U.; Chahla, Jorge; Nho, Shane J.
doi : 10.2106/JBJS.20.01640
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1055-1062
Despite previous reports of improvements for athletes following hip arthroscopy for femoroacetabular impingement syndrome (FAIS), many do not achieve clinically relevant outcomes. The purpose of this study was to develop machine learning algorithms capable of providing patient-specific predictions of which athletes will derive clinically relevant improvement in sports-specific function after undergoing hip arthroscopy for FAIS.
Length of Stay and 90-Day Readmission/Complication Rates in Unicompartmental Versus Total Knee Arthroplasty: A Propensity-Score-Matched Study of 10,494 Procedures Performed in a Fast-Track Setup
Jensen, Christian Bredgaard; Petersen, Pelle Baggesgaard; J?rgensen, Christoffer Calov; Kehlet, Henrik; Troelsen, Anders; Gromov, Kirill; the Lundbeck Foundation Centre for Fast-track Hip and Knee Replacement Collaborative Group
doi : 10.2106/JBJS.20.01287
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1063-1071
Whether to use unicompartmental knee arthroplasty (UKA) or total knee arthroplasty (TKA) for appropriate osteoarthritis cases is a subject of debate. UKA potentially offers faster recovery and fewer short-term complications. However, reported differences in preoperative comorbidity between TKA and UKA-treated patients could affect outcomes. The aim of this study was to investigate differences in the length of the postoperative hospital stay (LOS) as well as readmissions and complications within 90 days after surgery between matched UKA and TKA cohorts.
Volumetric Bone Mineral Density in Cementless Total Hip Arthroplasty in Postmenopausal Women: Effects on Primary Femoral Stem Stability and Clinical Recovery
Aro, Hannu T.; Engelke, Klaus; Mattila, Kimmo; L?yttyniemi, Eliisa
doi : 10.2106/JBJS.20.01614
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1072-1082
In cementless total hip arthroplasty, femoral stems should preferably not migrate at all postoperatively. This goal is difficult to achieve in postmenopausal women with impaired bone quality. Here, we explored the clinical importance of initial stem migration, measured by radiostereometric analysis (RSA), in women who underwent quantitative computed tomography (CT) of the involved hip preoperatively.
Classifying Ischial Tuberosity Avulsion Fractures by Ossification Stage and Tendon Attachment
Mitchell, Brendon C.; Bomar, James D.; Wenger, Dennis R.; Pennock, Andrew T.
doi : 10.2106/JBJS.20.01318
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1083-1092
We propose a new classification system for ischial tuberosity fractures in adolescents that is based on the ossification pattern of the apophysis
Contralateral Lower-Limb Functional Status Before Total Hip Arthroplasty: An Important Indicator for Postoperative Gait Speed
Ohmori, Takaaki; Kabata, Tamon; Kajino, Yoshitomo; Inoue, Daisuke; Kato, Satoshi; Tsuchiya, Hiroyuki
doi : 10.2106/JBJS.20.00949
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1093-1103
Postoperative gait speed, especially comfortable gait speed, is an important factor for predicting function after total hip arthroplasty (THA). In this study, we examined factors related to gait speed, including preoperative lower and upper-limb functional parameters and postoperative lower-limb alignment. In addition, we examined factors related to postoperative good comfortable gait speed (?1.34 m/s: one indicator of a good clinical outcome). The purpose of this study was to determine if better preoperative functional parameters had a positive effect on postoperative gait speed.
Video-Assisted Thoracoscopic En Bloc Vertebrectomy for Spine Tumors: Technique and Outcomes in a Series of 33 Patients
Court, Charles; Boulate, David; Missenard, Gilles; Mercier, Olaf; Fadel, Elie; Bouthors, Charlie
doi : 10.2106/JBJS.20.01417
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1104-1114
In en bloc vertebrectomy, the posterior approach is associated with limited access to anterior structures (vertebral body, esophagus, aorta, azygos vein). Video-assisted thoracoscopic surgery (VATS) might prove to be advantageous during thoracic en bloc vertebrectomy by allowing a combined anterior-posterior access in the prone position. We describe the technique and review the outcomes of 33 cases of video-assisted thoracoscopic en bloc vertebrectomy.
Risk Factors for Tibial Component Loosening: A Meta-Analysis of Long-Term Follow-up Radiostereometric Analysis Data
van Hamersveld, Koen T.; Marang-van de Mheen, Perla J.; Tsonaka, Roula; Nilsson, Kjell G.; Toksvig-Larsen, S?ren; Nelissen, Rob G.H.H.
doi : 10.2106/JBJS.20.01454
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1115-1124
Radiostereometric analysis (RSA) is a highly accurate tool to detect implant migration and predict loosening following total knee arthroplasty (TKA). However, little is known about the predisposing risk factors for implant migration, nor which migration profile should be considered physiological (i.e., merely part of an implant-settling phase) and which should be considered pathological (i.e., having a high probability for implant loosening). By pooling individual participant data from long-term follow-up RSA studies, we aimed to identify predisposing risk factors for tibial component loosening.
Epidemiology of Fractures Sustained During Electric Scooter Accidents: A Retrospective Review of 563 Cases
Shichman, Ittai; Shaked, Or; Factor, Shai; Elbaz, Etay; Khoury, Amal
doi : 10.2106/JBJS.20.01746
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1125-1131
The use of electric scooters (e-scooters) has dramatically increased as they become an attractive alternative for public transportation in busy metropolitan areas worldwide. Despite their benefits, e-scooters challenge the health-care system with poorly understood forms of injuries, mainly orthopaedic fractures. To our knowledge, this study is the first to investigate e-scooter-related orthopaedic fracture patterns, mechanisms of injury, and management.
Osteochondritis Dissecans: Current Understanding of Epidemiology, Etiology, Management, and Outcomes
Chau, Michael M.; Klimstra, Mikhail A.; Wise, Kelsey L.; Ellermann, Jutta M.; T?th, Ferenc; Carlson, Cathy S.; Nelson, Bradley J.; Tompkins, Marc A.
doi : 10.2106/JBJS.20.01399
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p 1132-1151
Osteochondritis dissecans occurs most frequently in the active pediatric and young adult populations, commonly affecting the knee, elbow, or ankle, and may lead to premature osteoarthritis.
What’s Important: How Social Media Can Foster Connectedness: Voices from the #OrthoTwitter Community
Friedman, Lisa G.M.; Menendez, Mariano E.
doi : 10.2106/JBJS.20.01738
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p e1152-e1154
Readability of Patient Educational Materials in Pediatric Orthopaedics
? Doinn, Tiarn?n; Broderick, James M.; Abdelhalim, Muthana M.; Quinlan, John F.
doi : 10.2106/JBJS.20.01347
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p e47
Parents are increasingly turning to the internet to seek pediatric health information. Numerous organizations advise that patient educational materials (PEMs) should not surpass the sixth-grade reading level. We aimed to assess the readability of online pediatric orthopaedic PEMs.
Fast-Track Unicompartmental Knee Arthroplasty Found to Be Safe and Effective in the Danish National Registry: Commentary on an article by Christian Bredgaard Jensen, BSc(Med), et al.: “Length of Stay and 90-Day Readmission/Complication Rates in Unicompartmental Versus Total Knee Arthroplasty. A Propensity-Score-Matched Study of 10,494 Procedures Performed in a Fast-Track Setup”
Levine, Brett R.
doi : 10.2106/JBJS.21.00178
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p e48
Bone Strength and Viscoelasticity Affect Cementless Femoral Stem Fixation: Commentary on an article by Hannu T. Aro, MD, PhD, et al.: “Volumetric Bone Mineral Density in Cementless Total Hip Arthroplasty in Postmenopausal Women. Effects on Primary Femoral Stem Stability and Clinical Recovery”
Blaha, J. David
doi : 10.2106/JBJS.21.00267
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p e49
Erratum: Flexor Tendon Injury and Repair
doi : 10.2106/JBJS.ER.20.01253
The Journal of Bone and Joint Surgery: June 16, 2021 - Volume 103 - Issue 12 - p e50
