Mallory-Head System을 이용한 인공 고관절 전치환술 - 최소 8년 추시 결과 -
Total Hip Replacement Arthroplasty with the Mallory-Head System - Minimum 8-Year Follow-up Results -
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목적: 이중 tapered 된 Mallory-Head 인공 대퇴 삽입물을 이용한 고관절 전치환술의 임상적, 방사선적 추시 결과를 확인하고자 하였다. 대상 및 방법: 인공 고관절 전 치환술을 받은 81예(75명)의 환자에 대한 평균 9.8년(8~12년)까지의 수술 후 추시 결과를 분석 하였다. 수술 전 진단은 46예(57%)가 대퇴 골두 무혈성 괴사, 12예(15%)에서 골관절염, 9예(11%)에서 류마티스 관절염 등이 었다. 임상적 결과는 modified Harris 점수와 modified Merle d’Aubigne-Postel 점수로 평가하였고, 방사선학적 결과를 분석 하였다. 결과: 평균 modified Harris hip score는 술 전 56점에서 술 후 92점으로 향상되었다. Modified Merle d’Aubigne-Postel score는 최종 추시에서 평균 15점으로 55예(68%)가 good 또는 excellent의 임상적 등급으로 분류되었다. 1예에서 비구컵의 해리로 인한 재치환술을 요하였으며, 1예는 반복적 탈구로 인한 재치환술을 시행하였다. 결론: Mallory-Head 인공 대퇴 시스템을 이용한 전 치환술의 중장기 임상적 및 방사선적 결과는 우수한 것으로 판단된다.
Abstract
Purpose: The purpose of this study was to assess the clinical and radiographic results of total hip arthroplasty with using the double tapered Mallory-Head system. Materials and Methods: The clinical and radiographic results of a consecutive series of 81 total hip replacements in 75 patients were reviewed at eight to twelve years (average: 9.8 years) postoperatively. The underlying diseases were avascular necrosis in 46 hips (57%), osteoarthritis in 12 hips (15%), RA in 9 hips (11%) and others. The clinical result was evaluated on the basis of the modified Harris hip score and the modified Merle d’Aubigne-Postel score. A radiographic analysis was also performed. Results: The average modified Harris hip score was improved from preoperative 56 points to postoperative 92 points. The average modified Merle d’Aubigne-Postel score was 15 points at the latest follow up, and 55 hips (68%) were classified as having clinical grades of excellent or good results. One acetabular component was revised because of loosening, and one was revised because of recurrent dislocation. Conclusion: The clinical and radiological evaluations of the total hip replacements using the Mallory-Head system showed good results.
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