Browsing by keyword "Femur Head Necrosis"
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Orthopaedic practice in total hip arthroplasty and total knee arthroplasty: results from the Global Orthopaedic Registry (GLORY)The Global Orthopaedic Registry (GLORY) offers global and country-specific insights into the management of patients undergoing total hip arthroplasty and total knee arthroplasty by drawing on data, from June 2001 to December 2004, of 15,020 patients in 13 countries. GLORY achieved a 70% follow-up rate at 3 and/or 12 months, allowing longer-term findings to be reported. This paper reports data from GLORY on patient demographics, surgical approaches to patient management, selection of implants, anesthetic and analgesic practices, blood management, length of hospital stay, and patient disposition at discharge. Some aspects of orthopedic practice differ between countries. There was notable variation in the choice and selection of prosthesis, fixation of implants, length of hospital stay, and discharge disposition.
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Two-year radiostereometric analysis evaluation of femoral head penetration in a challenging population of young total hip arthroplasty patientsThis prospective, randomized protocol evaluated femoral head penetration after total hip arthroplasty in a young population. Forty-five patients randomly received either a cross-linked or conventional ultrahigh-molecular-weight polyethylene (UHMWPE) liner in a noncemented hemispheric cup (Trilogy, Zimmer, Warsaw, Ind) with a 28-mm femoral head. Radiostereometric analysis film pairs, Harris hip, UCLA, SF-12, and Western Ontario and McMaster Universities scores were obtained through 2 years. Median femoral head penetration was less among cross-linked compared to conventional liners as follows: 0.06 mm (0.04-0.08 mm) vs 0.08 mm (0.02-0.19 mm) at 6 months, 0.07 mm (-0.14 to 0.16 mm) vs 0.11 mm (0.01-0.27 mm) at 1 year, and 0.065 mm (-0.04 to 0.193 mm) vs 0.169 mm (0.09-0.22 mm) at 2 years. Clinical outcomes were similar between the groups. Highly cross-linked UHMWPE demonstrated 55% less femoral head penetration compared to conventional polyethylene at 2 years. Despite improvements in the manufacturing process and sterilization of conventional UHMWPE, the femoral head penetration rate is unchanged from historical standards.