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임플란트 위치가 인공 고관절 전치환술 후 탈구에 미치는 영향 원문보기

  • 저자

    이 지호

  • 학위수여기관

    慶北大學校

  • 학위구분

    국내석사

  • 학과

    의학과 정형외과학전공

  • 지도교수

  • 발행년도

    2005

  • 총페이지

    19, i p.

  • 키워드

    임플란트 인공 고관절 탈구;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10062281&outLink=K  

  • 초록

    This study was performed to evaluate the effect of implant position on postoperative dislocation after total hip arthroplasty(THA) using the computed tomography. From March 1993 to September 1996, and from May 1998 to October 2004, 1171 THAS had been performed by one surgeon. There were 41 dislocations postoperatively. Of these, 20 cases of dislocated group and 20 cases of control group were available for CT to check the acetabular and femoral anteversion of implanted prostheses. Both groups were matched by type of prosthesis, age at the index operation, gender, diagnosis, body mass index, surgical approach, with or without posterior capsule and external rotator repair, size of acetabular cup, size of femoral head, and type of liner to eliminate the possible effect of these factors on dislocation. All dislocations involved in this study occurred to the posterior. Using the CT and conventional radiographs on PACS system, we measured the cup anteversion, stem anteversion, acetabular inclination, vertical offset, horizontal offset and leg length discrepancy. Both acetabular cups and femoral stems had the optimal stability by bone ingrowth at the final follow-up in all cases of both groups. Only the cup anteversion was decreased significantly in dislocated group compared with that of non-dislocated group (p=0.0004, chi-square test), p


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