Recurrent dislocation of the prosthesis is a problem with total hip arthroplasty. In the rare cases in which no identifiable cause can be found for the recurrent dislocation, we believe that the answer lies in addressing the large, sterile, fluid-filled cavity bounded by pseudocapsule, which we have noticed to form around the neck of the femoral implant in these cases. We report a 2-stage surgical technique that we have used successfully in 3 cases of recurrent dislocation without an identifiable cause, with an average follow-up of 3 years.
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http://dx.doi.org/10.1054/arth.2000.17938 | DOI Listing |
J Shoulder Elbow Surg
January 2025
State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, People's Republic of China; Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Nanjing Jiangsu, 210008, People's Republic of China. Electronic address:
Background: Arthroscopic repair is recommended for patients with bony Bankart lesions to restore anterior shoulder stability and avoid recurrent glenohumeral instability. The aim of this study was to investigate the clinical and radiological outcomes of patients following arthroscopic bony Bankart repair using a single suture anchor fixation technique named the "door-locking" technique.
Methods: From January 2017 to February 2024, a consecutive series of 22 patients with acute bony Bankart lesions underwent shoulder arthroscopy.
J Shoulder Elbow Surg
January 2025
Department of Orthopaedic Surgery & Sports Medicine, University of Florida, Gainesville, FL, USA.
Background: The Latarjet procedure is considered the gold standard for treating patients with anterior shoulder instability in the presence of critical glenoid bone loss. Proponents of the Latarjet contend that its efficacy is in-part attributable to the "sling effect" of the conjoint tendon; however, recent studies have demonstrated similar restoration of anterior stability in patients undergoing free bone block (FBB) procedures. The purpose of this systematic review was to evaluate the biomechanical and clinical evidence for the sling effect.
View Article and Find Full Text PDFAm J Sports Med
January 2025
Department of Sports Medicine, Peking University Third Hospital; Institute of Sports Medicine of Peking University; Beijing Key Laboratory of Sports Injuries, Beijing, China.
Background: There is a lack of evidence and continuous debate on whether femoral tunnel displacement substantially influences the clinical efficacy of medial patellofemoral ligament reconstruction (MPFL-R) in addressing recurrent patellar dislocation.
Purpose: To investigate possible associations between inaccurate femoral tunnel placement during MPFL-R and clinical outcomes, with a specific focus on proximal tunnel malpositioning.
Study Design: Cohort study; Level of evidence, 3.
BMC Musculoskelet Disord
January 2025
Division of Orthopedic Surgery, Changhua Christian Hospital, Changhua, Taiwan.
Background: Despite advancements in prosthetic designs and surgical techniques, patellar dislocation remains a rare but significant complication following total knee arthroplasty, with an incidence ranging between 0.15% and 0.5%.
View Article and Find Full Text PDFAm J Sports Med
January 2025
Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, P.R. China.
Background: For patients with osteoporosis and rotator cuff tears, there is still no consensus on current treatment methods. The material, structure, and number of anchors have important effects on the repair outcome.
Purpose: To investigate the use of chitosan quaternary ammonium salt-coated nickel-titanium memory alloy (NTMA) anchors to treat rotator cuff injury in shoulders with osteoporosis in a rabbit osteoporosis model.
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