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KMID : 0361620150500060491
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Journal of the Korean Orthopaedic Association
2015 Volume.50 No. 6 p.491 ~ p.500
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Complications of Reverse Total Shoulder Arthroplasty
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박상은:Park Sang-Eun
정재중:Jeong Jae-Jung/김영율:Kim Young-Yul/이세원:Lee Se-Won/박민규:Park Min-Gyu/이재민:Lee Jae-Min/지종훈:Ji Jong-Hun
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Abstract
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Purpose: The purpose of this study was to analyze complications after reverse total shoulder arthroplasty and report the clinical outcomes with review of previously reported studies.
Materials and Methods: Complications after reverse total shoulder arthroplasty were analyzed for 98 patients who underwent reverse total shoulder arthroplasty and were followed-up for at least 6 months. Of 98 patients, 22 were men and 76 were women. The mean age was 75.0±6.5 years (range, 59-92 years) with a mean follow-up period of 22±19 months (range, 6-74 months). The types and time of occurrence of complications, methods of treatment, and clinical outcomes at the final follow-up were analyzed.
Results: Complications occurred in 18 of 98 patients (18.4%). Seven of them received operative treatment and 11 were treated conservatively. Two cases had postoperative dislocations and were addressed with open reduction. In 2 cases, periprosthetic fractures occurred and were treated with open reduction and plate fixation. Two acromial stress fractures and 8 cases of heterotopic ossification were managed conservatively. Infection and humeral component loosening occurred in one case, respectively, and were treated with revision arthroplasty. Glenoid component loosening occurred in 2 cases, one of which was treated with revision arthroplasty and the other was managed conservatively. At the final follow-up, clinical outcomes showed a statistically significant improvement. Compared to groups with no complications, there were no significant differences in final clinical outcomes. Scapular notching occurred in 43.9% (43/98 cases). No statistically significant differences of clinical outcomes were observed between the scapular notching group and the no notching group (p>0.05).
Conclusion: In our study, 18% of complications occurred after reverse total shoulder arthroplasty and final clinical outcomes of these complications showed significant improvement. Scapular notching developed in 44% and did not provide a significant clinical effect at short term follow-up.
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KEYWORD
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reverse total shoulder arthroplasty, complication, revision
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