고관절 전치환술을 위한 수술 전 측정의 정확도: 고식적 가늠술(Acetate templating)과 디지털 가늠술(Digital templating)의 비교

Comparison of Conventional and Digital Templating Technique in Total Hip Arthroplasty

  • 황성관 (연세대학교 원주의과대학 정형외과학교실) ;
  • 강동현 (연세대학교 원주의과대학 정형외과학교실) ;
  • 조태연 (연세대학교 원주의과대학 정형외과학교실) ;
  • 이창호 (연세대학교 원주의과대학 정형외과학교실)
  • Hwang, Sung-Kwan (Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University) ;
  • Kang, Dong-Hyun (Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University) ;
  • Cho, Tae-Yeon (Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University) ;
  • Lee, Chang-Ho (Department of Orthopedic Surgery, Wonju College of Medicine, Yonsei University)
  • 발행 : 2010.03.31

초록

목적: 술 전 삽입물의 크기 측정을 위한 고식적 가늠술(acetate templating)과 디지털 가늠술(digital templating)의 정확도를 비교, 분석하여 디지털 가늠술의 유효성 여부를 검토하였다. 대상 및 방법: 2002년 11월부터 2006년 5월까지 일차성 고관절 전치환술을 시행 받은 109명의 환자를 고식적 가늠술(acetate templating, 제1군)로, 2006년 6월부터 2009년 4월까지 113명의 환자는 디지털 가늠술(digital templating, 제2군)로 비구컵, 대퇴 주대의 크기를 가늠하여 실제 삽입된 비구컵과 대퇴주대의 크기와 비교하여 두 방법의 정확도를 측정하였다. 결과: 제1군에서 비구컵은 일치한 경우가 46.8%, 1단위 허용범위 내에는 94.5%였고, 대퇴 주대는 각각 53.2%, 92.7%였다. 제2군의 경우 비구컵은 일치한 경우가 43.4%, 1단위 허용범위 내에는 92.9%였고, 대퇴 주대는 46.9%, 93.8%였다. 결론: 디지털 가늠술의 정확도는 고식적 가늠술과 동등한 정도의 정확도를 보여 술 전 측정 시 고식적 가늠술을 대체할 만한 방법으로 사료된다.

Purpose: To examine the effectiveness of digital templating in patients who underwent primary total hip arthroplasty by comparing and analyzing the accuracy of acetate and digital templating. Materials and Methods: One hundred and nine patients who underwent primary total hip arthroplasty between November 2002 and May 2006 were assigned to the acetate templating group (group I), and 113 patients between June 2006 and April 2009 were assigned to the digital templating group (group II). The sizes of the acetebular cup and femoral stem were examined to determine the accuracy of each method. Results: In group I, acetabular cup accuracy was found in 46.8% of cases, and 94.5% showed a mismatch less than ${\pm}$1 sizes. In the case of the femoral stem, accuracy was found in 53.2 % and 92.7 % showed a mismatch. In group II, acetebular cup accuracy was observed in 43.4 % of cases, and 92.9 % showed a mismatch below ${\pm}$1 size. In femoral stem cases, 46.9 % were accurate and 93.8 % showed a mismatch. Conclusion: The accuracy of the digital templating method is equivalent to that of acetate templating, and should replace acetate templating before the operation.

키워드

참고문헌

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