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Related Experiment Videos

Arthroscopic findings in atraumatic shoulder instability.

Andreas W Werner1, Sven Lichtenberg, Helge Schmitz

  • 1Department of Orthopaedics, University of Duesseldorf, Duesseldorf, Germany. werner@med.uni-duesseldorf.de

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|March 10, 2004
PubMed
Summary

Patients with atraumatic shoulder instability often have intra-articular pathology, even if it doesn't respond to physiotherapy. Diagnostic arthroscopy is crucial for identifying these lesions before surgery.

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Arthroscopy

Background:

  • Shoulder instability can have atraumatic origins.
  • Conservative treatment (physiotherapy) is often the first line of management.
  • Some patients with atraumatic shoulder instability do not respond to conservative care.

Purpose of the Study:

  • To evaluate intra-articular pathology in patients with atraumatic shoulder instability.
  • To assess patients refractory to conservative treatment.

Main Methods:

  • Prospective case series of 43 patients with atraumatic shoulder instability.
  • Patients had not responded to physiotherapy.
  • Intra-articular pathology documented via diagnostic arthroscopy.

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Main Results:

  • Three types of capsulolabral lesions identified: Type I (non-Bankart) in 44.2%, Type II (Bankart) in 30.2%, Type III (complex) in 25.6%.
  • Hill-Sachs lesions present in 60.5% of patients.
  • Associated pathologies included glenoid chondral lesions (23%), SLAP lesions (11.7%), and supraspinatus tendon defects (6.9%).

Conclusions:

  • Atraumatic shoulder instability does not exclude intra-articular lesions.
  • Physiotherapy non-responders may have significant pathology.
  • Arthroscopy is essential for definitive diagnosis of intra-articular pathology in these cases.