Arthroscopy: The Journal of Arthroscopic & Related Surgery
Case ReportCatastrophic Failure of Hip Arthroscopy Due to Iatrogenic Instability: Can Partial Division of the Ligamentum Teres and Iliofemoral Ligament Cause Subluxation?
Section snippets
Case Report
A 42-year-old woman presented to our clinic with a 1-year history of right hip pain, worsened by impact loading and hip flexion. She reported decreased range of motion without locking episodes. She was otherwise well, with no previous hip problems or familial arthritis.
The patient had a normal gait, equal leg lengths, and no signs of hyperlaxity. Flexion was 120° bilaterally but painful on the right side. External rotation was limited to 45° on the right versus 60° on the left. Internal
Discussion
We report post-arthroscopy catastrophic arthritic progression due to femoral head subluxation in the presence of preserved labrum, no pincer resection, and a modest capsulotomy involving only a small percentage of the iliofemoral ligament. Instability of the hip is uncommon because of the substantial conformity of the osseous femoral head and acetabulum and the strong surrounding capsuloligamentous complex.
Two cases of post-arthroscopy hip instability have recently been reported. Matsuda4
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