Younger patient age, revision may predict failure after anterior shoulder stabilization

ByMax R. Wursta

Fact checked byGina Brockenbrough, MA

Key takeaways:

Younger patients and revised patients may be at increased risk for failed anterior shoulder stabilization at 2 years.
Researchers found a 6.1% dislocation rate and a 19.6% subluxation rate at 2 years.

SCOTTSDALE, Ariz. — Results showed patients with anterior shoulder instability had a 6.1% dislocation rate and a 19.6% subluxation rate 2 years after surgery, with younger patients and revised patients having increased risks for failure.

At the American Shoulder and Elbow Surgeons Annual Meeting, Brian R. Wolf, MD, MS, presented results from the MOON Shoulder Instability, a prospective, multicenter study that analyzed data from 1,021 patients (average age of 22 years) who underwent surgery for anterior shoulder instability.

OT1023Wolf_ASES_Graphic_01 — Data were derived Wolf BR, et al. Paper 1. Presented at: American Shoulder and Elbow Surgeons Annual Meeting; Oct. 4-7, 2023; Scottsdale, Ariz.

“Patients were [aged] 12 [years] and older, and they were enrolled by 30 surgeons at 10 academic and private centers around the country,” Wolf said. “Both primary and revision [surgeries] were included, [and] arthroscopic and open stabilizations were included,” he added.

Brian R. Wolf

At 2-year follow-up, researchers found 28% of patients (n= 286) failed surgery with 4.3% of patients (n = 44) requiring subsequent surgery, 6.1% of patients (n = 62) having a dislocation and 19.6% of patients (n = 200) having a subluxation. After multivariate analysis, researchers found younger patient age and revision surgery were significant predictors of failure. Wolf noted younger patient age, revision surgery, preoperative dislocations and use of knotless suture anchors were associated with subsequent dislocation. No other variables were significantly associated with failure in the population.

“Obviously, we need a larger follow-up,” Wolf said. “A 6-year collection on this large database is being done at the current time,” he concluded.

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Sources/Disclosures

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Source:

Wolf BR, et al. Paper 1. Presented at: American Shoulder and Elbow Surgeons Annual Meeting; Oct. 4-7, 2023; Scottsdale, Ariz.

Disclosures: Wolf reports receiving IP royalties from ConMed Linvatec; being a paid consultant for ConMed Linvatec; being a paid presenter or speaker for ConMed Linvatec; being a board or committee member for the American Orthopaedic Association, the American Orthopaedic Society for Sports Medicine and the Mid America Orthopaedic Association; and being on the editorial or governing board of the Orthopaedic Journal of Sports Medicine.

American Shoulder and Elbow Surgeons Annual Meeting

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Younger patient age, revision may predict failure after anterior shoulder stabilization

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