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Total hip arthroplasty after hip joint ankylosis.

AbstractBACKGROUND:
Back pain and knee pain are typical secondary degeneration symptoms after hip ankylosis. Take down of hip ankylosis and implantation of a total hip arthroplasty (THA) is believed to be a promising treatment option.
METHODS:
A total of 22 hip ankylosis patients [15 men, mean age 53.7 years (range 30-72 years); 7 women, mean age 50.8 years (range 42-61 years)] underwent THA during 1980-2000 after spontaneous (n = 10) or surgical (n = 12) fusion of the hip joint. The mean duration of ankylosis prior to THA was 32.5 years (range 2-61 years).
RESULTS:
At the mean follow-up of 13.2 years (range 2-19 years), the Harris hip score averaged 84.9 points (range 70.1-99.0 points). All patients (100%) confirmed that they would undergo conversion surgery again. Aseptic loosening of two stems (one cemented, one cementless; 9.5%) and two deep infections (9.5%) required revision surgery.
CONCLUSIONS:
THA is a promising option for treatment of secondary long-term hip ankylosis sequelae. A conversion operation after spontaneous ankylosis provides better functional outcome than after surgical fusion. However, full function with complete pain relief and a negative Trendelenburg sign might be not attainable in all cases.
AuthorsErich Rutz, Dirk Schäfer, Victor Valderrabano
JournalJournal of orthopaedic science : official journal of the Japanese Orthopaedic Association (J Orthop Sci) Vol. 14 Issue 6 Pg. 727-31 (Nov 2009) ISSN: 1436-2023 [Electronic] Japan
PMID19997819 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Topics
  • Adult
  • Aged
  • Ankylosis (complications, surgery)
  • Arthroplasty, Replacement, Hip (methods)
  • Back Pain (etiology, therapy)
  • Female
  • Follow-Up Studies
  • Humans
  • Male
  • Middle Aged
  • Recovery of Function

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