Outcomes of total hip replacement in patients with slipped capital femoral epiphysis

Francesco Traina, Marcello De Fine, Caterina Novella Abati, Barbara Bordini, Aldo Toni

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Total hip replacement has been advocated for the treatment of degenerative hip diseases secondary to slipped capital femoral epiphysis; nonetheless, outcomes of this procedure have not been well established. We reviewed the outcomes of modern total hip replacements in patients who suffered from slipped capital femoral epiphysis. Methods: A retrospective study was carried out on 32 total hip replacements performed on 28 patients who suffered from slipped capital femoral epiphysis from August 1994 to January 2007. The average age at the time of surgery was 45 years. Clinical evaluation was performed using the Harris Hip Score, radiographic assessment measuring cup and stem orientation, the extent of osteolysis around the implant, and leg length discrepancy. The average follow-up was 98 months (range 25-204 months). Results: Two total hip replacements failed, one for stem aseptic loosening and the other for modular neck failure. The cumulative survival rate at 9 years was 92.8 %. If the end point was revision for implant loosening, the survival rate improved to 96.8 % at 9 years. The only complication recorded was an intraoperative fracture of the lesser trochanter immediately treated with cerclage wire. At the latest follow-up, the Harris Hip Score averaged 86 (range 70-97). Leg length discrepancies greater than 1 cm were present in 18 cases before surgery, and in only 6 cases after surgery. Discussion: We recommend total hip replacement for patients who suffer from slipped capital femoral epiphysis because of the satisfactory survival, low complication rate, and the possibility of restoring leg length.

Original languageEnglish
Pages (from-to)1133-1139
Number of pages7
JournalArchives of Orthopaedic and Trauma Surgery
Volume132
Issue number8
DOIs
Publication statusPublished - Aug 2012

Keywords

  • Femoral head avascular necrosis
  • Hip prosthesis
  • Outcomes
  • Slipped capital femoral epiphysis

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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