Influence of Thoracic Kyphosis on Reverse Total Shoulder Arthroplasty Outcomes

被引:4
作者
Reintgen, Christian [1 ]
Armington, Samuel [1 ]
Vigan, Marie [2 ]
Werthel, Jean-David [3 ]
Patrick, Matthew [1 ]
King, Joseph [1 ]
Wright, Thomas [1 ]
Schoch, Bradley [4 ]
机构
[1] Univ Florida, Dept Orthopaed Surg, Gainesville, FL 32611 USA
[2] Hop Univ Paris Ile France Ouest, Hop Ambroise Pare, Paris, France
[3] Inst Parisien Epaule, Paris, France
[4] Mayo Clin, Dept Orthopaed Surg, Jacksonville, FL 32224 USA
关键词
GLENOHUMERAL OSTEOARTHRITIS; RADIOGRAPHIC ASSESSMENT; HUMERAL COMPONENTS; SAGITTAL PLANE; REPLACEMENT; BIOMECHANICS; ORIENTATION; POSITION; ANATOMY; POSTURE;
D O I
10.5435/JAAOS-D-20-01368
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Introduction: Patient dissatisfaction after primary reverse total shoulder arthroplasty (rTSA) has been reported as high as 9%. In patients with excessive thoracic kyphosis, the scapula protracts and tilts anteriorly, which may lead to early impingement with the acromion and loss of forward elevation. The primary purpose of this study was to evaluate the effect of thoracic kyphosis on overhead ROM after rTSA. Methods: A prospectively collected shoulder registry was retrospectively reviewed for all patients undergoing primary rTSA with a minimum of 2-year follow-up. Preoperative and latest follow-up ROM (forward elevation, abduction, internal rotation, and external rotation), patient-reported outcome measures (SPADI, SST-12, ASES, UCLA, SF-12, and the visual analog scale), and the Constant score were collected. Postoperative radiographs were evaluated for implant loosening and notching. Patients were separated into three groups according to the thoracic kyphosis angle (<25 degrees, 25 to 45 degrees, and >45 degrees) and also analyzed as a continuous variable. The groups were compared using analysis of variance and chi-square tests as indicated. Results: Three hundred five shoulders in 279 patients were reviewed at a mean follow-up of 3.9 years (range 2 to 10 years). Female patients and patients with a history of heart disease were statistically more likely to have increased thoracic kyphosis (P < 0.05). After surgery, forward elevation and abduction were similar among all groups (<25: 133 degrees, 25 to 45: 132 degrees, >45: 127 degrees; P = 0.199 and <25: 123 degrees, 25 to 45: 122 degrees, >45: 117 degrees; P = 0.330). All other postoperative ROM measurements and all patient-reported outcome measures were also similar, regardless of measured kyphosis. In addition, no association was observed between the degree of thoracic kyphosis and scapular notching (P = 0.291). Discussion: Despite thoracic kyphosis being a known risk factor for loss of overhead motion in the native shoulder, shoulders with excessive thoracic kyphosis demonstrated similar overhead ROM at early follow-up after primary rTSA.
引用
收藏
页码:840 / 847
页数:8
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