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Muscles of the Shoulder

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Reverse Total Shoulder Arthroplasty

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Published on: July 5, 2011

Arthroscopic repair for posterior shoulder instability.

Brett A Lenart¹, Seth L Sherman, Nathan A Mall

¹Division of Sports Medicine, Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association

|June 19, 2012

Summary

Arthroscopic posterior stabilization effectively treats recurrent posterior shoulder instability, leading to significant clinical improvement and high return-to-activity rates. This technique offers a low risk of reoperation for athletes with this condition.

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Area of Science:

Orthopedic Surgery
Sports Medicine
Shoulder Instability Research

Background:

Recurrent posterior instability is a debilitating condition affecting the shoulder joint.
Previous surgical techniques have varying success rates for posterior instability.
Arthroscopic approaches are increasingly favored for minimally invasive joint procedures.

Purpose of the Study:

To evaluate the outcomes of a standardized arthroscopic stabilization technique for recurrent posterior shoulder instability.
To assess the clinical effectiveness and patient-reported outcomes following the procedure.

Main Methods:

A consecutive series of 32 patients with symptomatic recurrent posterior instability underwent arthroscopic repair.
Procedures included suture anchor repair or labral plication.
Patients were followed for a mean of 36 months, with standardized outcome scores collected preoperatively and postoperatively.

Main Results:

Significant improvements were observed in American Shoulder and Elbow Surgeons (ASES), Simple Shoulder Test (SST), and visual analog scale (VAS) scores.
All patients successfully returned to their previous level of athletic activity.
Only two patients experienced postoperative instability, with no reoperations required.

Conclusions:

Arthroscopic posterior labral repair and capsular plication provide significant clinical improvement for recurrent posterior instability.
The technique demonstrates low rates of recurrent instability and revision surgery.
This approach is a viable option for athletes seeking to return to sport.