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. 2021 Nov;30(11):2484-2490.
doi: 10.1016/j.jse.2021.03.146. Epub 2021 Apr 1.

Shoulder arthroplasty is a viable option in patients with Ehlers-Danlos syndrome

Thomas Rogers  1 , Jean-David Werthel  2 , Matthew M Crowe  1 , Cedric J Ortiguera  1 , Bassem Elhassan  2 , John W Sperling  2 , Joaquin Sanchez-Sotelo  2 , Bradley S Schoch  3
Affiliations

Shoulder arthroplasty is a viable option in patients with Ehlers-Danlos syndrome

Thomas Rogers et al. J Shoulder Elbow Surg. 2021 Nov.

Abstract

Background: Patients with Ehlers-Danlos syndrome (EDS) have high rates of shoulder instability, which place them at increased risk for instability-related arthropathy. Many studies have assessed outcomes for both primary and revision shoulder instability procedures in this patient population, but there is a paucity of data regarding the outcome of shoulder arthroplasty in EDS patients. The purpose of this study is to evaluate the results and complications of shoulder arthroplasty (SA) performed in a cohort of patients with EDS and compare them to a matched cohort of patients with no EDS.

Methods: Over an 11-year period, 10 patients with EDS were identified at a single institution who underwent primary SA (6 anatomic total shoulder arthroplasties [aTSAs], 4 reverse shoulder arthroplasties [RTSAs]). Shoulders were evaluated at a mean follow-up of 60 months (range 25-97 months). This cohort was matched 1:2 based on age, sex, and year of surgery, with patients who underwent SA for either primary osteoarthritis (OA) for aTSA or cuff tear arthropathy for RTSA. EDS patients had a mean age of 55 years, mean body mass index of 26.1, and were all female. The primary outcome measures were postoperative pain, range of motion, complications, and reoperations.

Results: SA produced similar postoperative pain, range of motion, complications, and reoperations in patients with EDS vs. controls. EDS patients improved pre- to postoperative visual analog scale (VAS) pain score (6.5 to 1.7, P < .001), elevation (96° to 138°, P = .04), and external rotation (36° to 57°, P = .16). Three EDS patients sustained postoperative complications (2 instability and 1 acromial fracture); however, no shoulder was reoperated.

Conclusions: EDS patients undergoing SA can expect outcomes comparable to patients with primary OA or cuff tear arthropathy, with clinically meaningful improvements in pain and range of motion. Although EDS patients had no statistically significant increase in complications when compared to controls, their absolute rate of overall complications (3/10 patients; 30%) and postoperative instability (2/10 patients; 20%) in this small case series was relatively high and should be considered when performing SA.

Keywords: Ehlers-Danlos syndrome; Shoulder arthroplasty; complications; shoulder instability.

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