TITLE

Repair of a Deficient Abductor Mechanism with Achilles Tendon Allograft After Total Hip Replacement

AUTHOR(S)
Fehm, Michael N.; Huddleston, James I.; Burke, Dennis W.; Geller, Jeffrey A.; Malchau, Henrik
PUB. DATE
October 2010
SOURCE
Journal of Bone & Joint Surgery, American Volume;10/6/2010, Vol. 92-A Issue 13, p2305
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Abductor mechanism insufficiency after total hip arthroplasty is a rare but debilitating problem. The diagnosis is difficult, and when the condition is recognized there are few successful treatment options. The purpose of this study was to review our experience with a surgical technique involving use of a fresh-frozen Achilles tendon allograft with an attached calcaneal bone graft to reconstruct a deficient abductor mechanism after total hip arthroplasty. Methods: From 2003 to 2006, we performed seven abductor reconstructions with an Achilles tendon allograft in patients with abductor deficiency after total hip arthroplasty. At a mean of twenty-nine months after the total hip arthroplasty, all seven patients had symptoms of lateral hip pain and abductor muscle weakness as demonstrated by a Trendelenburg test. The abductor tendon rupture was diagnosed on the basis of an arthrogram and was confirmed at surgery. Results: Before the reconstruction, the average Harris hip score was 34.7 points and the average pain score was 11.4 points. After a minimum duration of follow-up of twenty-four months, the average Harris hip score was 85.9 points and the average pain score was 38.9 points. Conclusions: Abductor reconstruction with an Achilles tendon allograft with a calcaneal bone block attached to the greater trochanter can produce substantial relief of pain, increased abductor muscle strength, decreased limp, and improvements in the Trendelenburg sign and in function at the time of early follow-up. Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence.
ACCESSION #
54337289

 

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