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INTRODUCTION This study was conducted to determine the survival of different glenoid component designs, assess the reasons for revision surgery, and identify patient and diagnostic factors that influence this need. METHODS Between January 1, 1984, and December 31, 2004, 1337 patients underwent 1542 total shoulder arthroplasties with 6 types of glenoid(More)
Alignment radiographs of 174 extremities in patients undergoing total knee arthroplasty were measured to determine the variability in valgus cut angle (VCA) and the anatomical factors that affect the VCA necessary to restore the mechanical axis. The VCA averaged 5.6 degrees +/- 1.0 degrees with a range of 2 degrees to 9 degrees . With the 3 different(More)
BACKGROUND Total shoulder arthroplasty is traditionally performed through an anterior deltopectoral exposure with subscapularis tenotomy. Postoperative subscapularis dysfunction is common and adversely affects clinical outcomes. Consequently, surgeon interest in lesser tuberosity osteotomy has grown in an effort to improve subscapularis repair strength.(More)
BACKGROUND Nonunion is a challenging and not uncommon complication of distal humeral fractures. Our long-term experience with linked semiconstrained total elbow arthroplasty as a salvage procedure for patients with distal humeral nonunion not amenable to internal fixation was investigated. METHODS Ninety-one consecutive patients (ninety-two elbows)(More)
BACKGROUND Loosening of the humeral component is rarely a cause for revision. This study was conducted to determine long-term survivorship of humeral components and investigate the risk factors associated with humeral component removal or revision. MATERIALS AND METHODS From 1984 to 2004, 1423 patients underwent 1584 primary Neer and Cofield shoulder(More)
BACKGROUND Different rehabilitation protocols have been used after repair of distal biceps ruptures. PURPOSE This study investigates the safety of immediate active range of motion protocol after modified 2-incision distal biceps tendon repair in acute ruptures. STUDY DESIGN Case series; Level of evidence, 4. MATERIALS AND METHODS Twenty-one patients(More)
PURPOSE The purposes of this study was to better understand the utilization of anterior acromioplasty over time, in the absence of rotator cuff repair; to examine the relation to patient characteristics (age, sex) and types of rotator cuff pathology (inflammation or fibrosis, partial-thickness tearing, full-thickness tearing undergoing debridement); and to(More)
BACKGROUND Reported healing rates of a subscapularis tenotomy have been extremely variable in the literature. The purpose of this study was to document the subscapularis healing rate after subscapularis tenotomy using ultrasound, and to correlate healing with physical examination findings and shoulder internal rotation strength. METHODS Fifteen patients(More)
The aim of this study was to investigate the presence of hallux valgus (HV) in patellofemoral pain syndrome (PFPS). Ninety-nine patients with unilateral patellofemoral pain participated. The study was designed with each subject acting as their own internal control by using the unaffected limb for comparison. The HV and intermetatarsal angles were measured(More)
BACKGROUND Glenoid bone deficiencies may be addressed by specialized components. The purpose of this study is to evaluate the clinical and radiographic outcomes of 3 different types of nonstandard glenoid components. MATERIALS AND METHODS Thirty-eight patients with a mean age of 65 years (range, 34-84 years) underwent a primary or revision anatomic(More)