PMID: 20120673Feb 4, 2010Paper

Reliability and clinical outcomes of preoperative evaluations in modern total hip resurfacing and total hip arthroplasty in patients with osteonecrosis of the femoral head

Journal of the Medical Association of Thailand = Chotmaihet Thangphaet
Viroj LarbpaiboonpongThaworn Sisayanarane

Abstract

Modern total hip resurfacing has been associated with excellent intermediate outcome in patients with osteonecrosis hip who are under 60 years., Up to 30-50% necrosis area in X-ray and MRI are theoretically acceptable to perform total hip resurfacing. However, both of plain X-ray and MRI still are uncertain information to precisely support decision making for either hip resurfacing or hip arthroplasty. Double setup operations (resurfacing or arthroplasty) were developed (i) to evaluate the reliability of preoperative evaluation based on plain X-ray and MRI comparing to the intra-operative finding after the completion of bone surface cut in hip resurfacing femoral procedure and (ii) to examine the early outcome for this double set up techniques. Between September 2004 to December 2008, 45 osteonecrosis hips (40 patients) were managed with double setup in which was either total hip resurfacing or total hip arthroplasty. The final intraoperative decisions were performed and then the comparison of the reliability of pre-operative evaluation was done. Outcomes assessment was examined based on Harris Hip score, Oxford hip score, university of California Los Angeles (UCLA) activity score, Short form-12 score, complications, and radiog...Continue Reading

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