Article on Capsular Laxity

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Anterior Dislocation of the Hip After Arthroscopy in a Patient with Capsular Laxity of the Hip
A Case Report
Anil S. Ranawat, MD1, Michael McClincy, BA2 and Jon K. Sekiya, MD3
1 Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021. E-mail address: ranawatanil@hss.edu
2 University of Pittsburgh School of Medicine, 567 South Negley Avenue, Pittsburgh, PA 15232
3 Department of Orthopaedic Surgery, MedSport – University of Michigan, 24 Frank Lloyd Wright Drive, P.O. Box 0391, Ann Arbor, MI 48106. E-mail address: sekiya@umich.edu


Investigation performed at the University of Pittsburgh, Pittsburgh, Pennsylvania

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Introduction

Capsular laxity is a poorly understood but increasingly recognized cause of hip pain1,2. As with shoulder instability, hip instability represents a wide spectrum of pathologic entities, ranging from acute traumatic dislocation to chronic capsular laxity. Primary capsular laxity is often associated with underlying collagen abnormalities, such as those seen with Ehlers-Danlos or Marfan syndrome. Secondary capsular laxity is seen more commonly in athletes and is secondary to overuse or repetitive activities2.

Although the mainstay of treatment for these conditions has been nonoperative, surgical intervention may be indicated because of either recurrent instability or lack of pain relief with nonoperative measures. Surgical treatment may require access to both the hip capsule and the labrum through either an open3-5 or an arthroscopic6-12 approach. Although the latter techniques are relatively new, two studies have demonstrated that arthroscopic surgery can provide stability to the hip joint10,11. However, while arthroscopic techniques are . . .