지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 769 - 780 (12page)
이용수
초록· 키워드
오류제보하기
Purpose: The intraoperative version of the femoral component is usually determined by visual appraisal of the stem position relativeto the distal femoral condylar axis. However, several studies have suggested that a surgeon’s visual assessment of the stem positionhas a high probability of misinterpretation. We developed a computed tomography (CT)-based navigation system with apatient-specific instrument (PSI) capable of three-dimensional (3D) printing and investigated its accuracy and consistency incomparison to the conventional technique of visual assessment of the stem position. Materials and Methods: A CT scan of a femur sawbone model was performed, and pre-experimental planning was completed. We conducted 30 femoral neck osteotomies using the conventional technique and another 30 femoral neck osteotomies usingthe proposed technique. The femoral medullary canals were identified in both groups using a box chisel. Results: For the absolute deviation between the measured and planned values, the mean two-dimensional anteversions of theproposed and conventional techniques were 1.41° and 4.78°, while their mean 3D anteversions were 1.15° and 3.31°. The mean θ1,θ2, θ3, and d, all of which are parameters for evaluating femoral neck osteotomy, were 2.93°, 1.96°, 5.29°, and 0.48 mm for the proposedtechnique and 4.26°, 3.17°, 4.43°, and 3.15 mm for the conventional technique, respectively. Conclusion: The CT-based navigation system with PSI was more accurate and consistent than the conventional technique for assessmentof stem position. Therefore, it can be used to reduce the frequency of incorrect assessments of the stem position amongsurgeons and to help with accurate determination of stem anteversion.
목차
등록된 정보가 없습니다.
참고문헌 (36)
참고문헌 신청
Woerner M / 2016 / Visual intraoperative estimation of cup and stem position is not reliable in minimally invasive hip arthroplasty / Acta Orthop 87:225~230
Renkawitz T / 2011 / Minimally invasive computer-navigated total hip arthroplasty, following the concept of femur first and combined anteversion: design of a blinded randomized controlled trial / BMC Musculoskelet Disord 12:192
Tsukeoka T / 2015 / A useful anatomical reference guide for stem anteversion during total hip arthroplasty in the dydsplastic hip / J Arthroplasty 30:1393~1396
Tsukeoka T / 2014 / The T-line as an intraoperative landmark for reproducing the native femoral anteversion during hip arthroplasty / Arch Orthop Trauma Surg 134:873~879
Hirata M / 2013 / Surgeon error in performing intraoperative estimation of stem anteversion in cementless total hip arthroplasty / J Arthroplasty 28:1648~1653
Renkawitz T / 2011 / Minimally invasive computer-navigated total hip arthroplasty, following the concept of femur first and combined anteversion: design of a blinded randomized controlled trial / BMC Musculoskelet Disord 12:192
Tsukeoka T / 2015 / A useful anatomical reference guide for stem anteversion during total hip arthroplasty in the dydsplastic hip / J Arthroplasty 30:1393~1396
Tsukeoka T / 2014 / The T-line as an intraoperative landmark for reproducing the native femoral anteversion during hip arthroplasty / Arch Orthop Trauma Surg 134:873~879
Hirata M / 2013 / Surgeon error in performing intraoperative estimation of stem anteversion in cementless total hip arthroplasty / J Arthroplasty 28:1648~1653
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