The Causes of Revision Total Knee Arthroplasty

슬관절 재치환술의 원인

Cho, Woo-Shin;Youm, Yoon-Seok;Yang, Byung-Se
조우신;염윤석;양병세

  • Published : 20070400

Abstract

Purpose : To assess the causes of revision total knee arthroplasty (TKA). Materials and Methods : The causes of 90 revision total knee arthroplasties were analyzed in 84 patients between December 1996 and June 2006. The patients’ history, medical records and radiographs were reviewed in order to detect the main cause of failure of the primary TKA. Results : The causes of revision TKA are as follows: 34 infections (37.8%), 26 loosenings (28.9%), 17 polyethylene wears or breakages (18.9%), 5 stiffness (5.6%), 4 polyethylene dislocations (4.4%), 2 patellar dislocations (2.2%), 1 patellar component failure and 1 instability (1.1%). The mean interval from the index operation to the revision surgery was 59 months (1 month-20 years). Conclusion : Infection was the most common causes of revision TKA followed by loosening, wear or breakage of the polyethylene, stiff knee, and dislocation of the polyethylene.

목 적: 슬관절 재치환술을 하게 된 원인을 알아보고자 하였다. 대상 및 방법: 1996년 12월부터 2006년 6월까지 슬관절 재치환술을 시행 받았던 84명의 환자, 90예의 슬관절을 대상으로 하였다. 재치환술시 병력, 의무 기록 및 방사선 소견을 중심으로 재치환술을 받게 된 가장 주된 원인을 분석하였다. 결 과: 재치환술의 원인은 감염이 34예(37.8%), 삽입물의 해리가 26예(28.9%), 폴리에틸렌의 마모와 파손이 17예(18.9%), 슬관절 강직이 5예(5.6%), 폴리에틸렌의 탈구가 4예(4.4%), 슬개골 탈구가 2예(2.2%)였으며, 슬개골 삽입물의 파손과 불안정성이 각각 1예(1.1%)였다. 본원에서 수술한 경우가 43예, 타원에서 전원된 경우가 47예 이었으며, 일차 수술 후 재치환술까지의 기간은 평균 4년 11개월(1개월-20년)이었다. 결 론: 슬관절 재치환술의 원인은 감염이 제일 많았으며, 그 다음이 삽입물의 해리, 폴리에틸렌의 마모와 파손, 슬관절 강직, 폴리에틸렌의 탈구 등의 순이었다.

Keywords

References

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