Progression to glenohumeral arthritis after arthroscopic posterior stabilization


Approximately 12% of patients who underwent shoulder stabilization surgery experience arthritis in the shoulder joint over a seven-year period, according to research presented today at the Association’s Combined Annual Meeting. American Orthopedic for Sports Medicine-Arthroscopy of North America.

“While arthroscopic stabilization for posterior glenohumeral instability has shown excellent success in preventing recurrent instability and allowing return to sport, eventual progression to glenohumeral arthritis remains a concern in these patients.” , said Bobby Yow, MD, of Walter Reed National Military Medical Center, Bethesda, Md. Yow and colleagues tried to assess the rate of progression to glenohumeral arthritis and identify its potential. after arthroscopic posterior stabilization in a young and high-demand population.

Yow and other researchers enrolled 110 patients who were members of active duty identified in the military health system (MHS) with posterior shoulder instability, underwent primary arthroscopic surgical stabilization, and had postoperative medical images or records available for a period of twelve years. years between January 2004 and September. 2016.

Among the 110 patients with posterior shoulder instability who underwent arthroscopic stabilization, 12.7% (14/110) developed glenohumeral arthritis. The mean age of all patients was 23.9 years (SD 6.71). The mean time to diagnosis of arthritis was seven years and the mean follow-up time was 8.1 years (QIQ 5.8). Among all those diagnosed with posterior shoulder instability requiring surgical fixation, 12.7% (14/110) developed glenohumeral arthritis during the study period. The overall incidence of GH arthritis was 1.7 per 100 person-years (95% CI: 0.92; 2.81). Ten-year survival without GHOA was 84.0% (95% CI: 75.3; 93.8). Risk ratios (95% CI) estimated from Cox regression models separated from glenohumeral arthritis development were 1.45 (0.76, 2.74) or age in years (for SD) and 0.87 (0.74 to 1.03) for bone loss of glenoids.

“No previous study has reported the incidence and risk factors of glenohumeral after arthroscopic surgical stabilization for posterior shoulder instability, “Yow reported.” Although no risk factors were found among the cohort, the higher hypothetical risk with increasing age in the index procedure and almost a significant confidence interval for glenoid bone loss warrants an assessment. additional in cohorts larger than not. limited to members of the active service “.

Yow said his findings may help guide clinical decision-making and chronicity of treatment for patients undergoing subsequent treatment. .

Young athletes with shoulder instability may benefit from arthroscopy

Provided by the American Orthopedic Society for Sports Medicine

Citation: Progression to Glenohumeral Arthritis After Post-Arthroscopic Stabilization (2021, July 11) Retrieved July 11, 2021 from posterior-stabilization.html

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