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Related Experiment Videos

Management of multidirectional instability

K Yamaguchi1, E L Flatow

  • 1Shoulder Service, New York Orthopaedic Hospital, Columbia-Presbyterian Medical Center, New York, USA.

Clinics in Sports Medicine
|October 1, 1995
PubMed
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The inferior capsular shift procedure effectively treats multidirectional shoulder instability, allowing most athletes to return to sports with high satisfaction rates and minimal recurrence. This surgical technique addresses capsular laxity for improved shoulder stability.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Shoulder Instability

Background:

  • Multidirectional instability (MDI) of the shoulder is a complex condition requiring effective surgical management.
  • The inferior capsular shift (ICS) procedure has been reported as a successful treatment for MDI since the 1980s.
  • Understanding the biomechanics of glenohumeral stability is crucial for surgical outcomes.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of the inferior capsular shift procedure for treating multidirectional shoulder instability.
  • To assess patient return to sport and overall satisfaction following ICS surgery.
  • To analyze the incidence of recurrence and complications associated with the ICS procedure.

Main Methods:

  • Review of preliminary and long-term results from multiple studies reporting on the inferior capsular shift procedure.

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  • Analysis of patient-reported outcomes, including return to sport, level of competitiveness, and satisfaction.
  • Assessment of surgical complications, such as subluxation, dislocation, and loss of range of motion (e.g., external rotation).

    • Main Results:

    • High rates of return to sport (up to 89%) and sustained competitiveness (up to 73%) were reported in young athletes.
    • Patient satisfaction was generally high, with over 90% reporting satisfactory results in several series.
    • Low rates of recurrent instability (around 10%) and minor losses in external rotation (average 5-7 degrees) were observed.

    Conclusions:

    • The inferior capsular shift is a reliable surgical option for managing multidirectional shoulder instability, offering good functional recovery and patient satisfaction.
    • While complications are infrequent, careful patient selection and surgical technique are important for optimal outcomes.
    • The procedure demonstrates durable results, with no significant deterioration observed over extended follow-up periods.