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Related Experiment Videos

Primary anterior shoulder dislocation and rotator cuff tears.

R Berbig1, D Weishaupt, J Prim

  • 1Sports Medicine Section, Department of Surgery, Triemli Hospital, Zürich, Switzerland.

Journal of Shoulder and Elbow Surgery
|July 2, 1999
PubMed
Summary

Early ultrasound can detect rotator cuff tears in traumatic shoulder dislocations. Patients under 60 and women are at higher risk for these tears, with limited arm elevation indicating potential injury.

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Diagnostic Imaging

Background:

  • Traumatic anterior shoulder dislocation is a common injury.
  • Rotator cuff tears can occur concurrently with shoulder dislocations.
  • Early detection of rotator cuff tears is crucial for effective management.

Purpose of the Study:

  • To evaluate the incidence of rotator cuff tears in patients with primary traumatic anterior shoulder dislocations using ultrasonography.
  • To identify risk factors associated with rotator cuff tears in this patient population.
  • To assess the utility of active arm elevation as an indicator of rotator cuff tears.

Main Methods:

  • Prospective controlled study involving 167 patients with traumatic anterior shoulder dislocations.
  • Early ultrasonographic evaluation for rotator cuff tears was performed.

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  • Comparison with a control group of 93 healthy volunteers.

    • Main Results:

    • A significant incidence of 31.7% full-thickness rotator cuff tears was observed.
    • Patients younger than 60 years and female patients showed a statistically higher prevalence of cuff tears.
    • Inability to elevate the arm >90 degrees at 2 weeks post-dislocation suggested a high likelihood (76.7%) of rotator cuff tear.

    Conclusions:

    • Ultrasonography is recommended for early detection of rotator cuff lesions after traumatic shoulder dislocation.
    • Measurement of active arm elevation is a valuable clinical tool for suspecting rotator cuff tears.
    • Targeted screening in patients under 60 is advised due to increased tear prevalence.