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
- 2021.1
- 수록면
- 439 - 445 (7page)
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초록· 키워드
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Purpose: We aimed to investigate the accuracy of two-dimensional computed tomography (2D-CT)-based methods for measuringrotational alignment of the femoral component during total knee arthroplasty in comparison to reference values for three-dimensional(3D) reconstruction. Materials and Methods: We selected the “most protruding transepicondylar axis section,” “most protruding posterior condylarline section,” and “distal femoral cut section” on 2D-CT images for 100 knees. We investigated posterior condylar angle (PCA) andcondylar twist angle (CTA) values using three different methods on 2D-CT and compared to these values to those obtained usinga 3D model. Results: The mean PCA and CTA values were 2.8° and 7.0° on the 3D model and 2.0° to 2.1° and 5.9° to 6.0° on 2D-CT, respectively. Errors in PCA and CTA measurement included internal rotation of 0.8° and 1.1° with the 1-plane and 2-plane methods and 0.9°and 1.0° with the assumed resection method, respectively. Conclusion: Mean errors in PCA and CTA values measured using three different methods on 2D-CT were not significantly different. However, PCA and CTA values measured on 2D-CT were approximately 1° smaller than their 3D values. Thus, we suggestthat adding 1° to the mean PCA and CTA values obtained from a single plane of 2D-CT would provide values similar to those obtainedfrom 3D reconstruction.
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등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Gunaratne R / 2017 / Patient dissatisfaction following total knee arthroplasty : a systematic review of the literature / J Arthroplasty 32:3854~3860
Berger RA / 1998 / Malrotation causing patellofemoral complications after total knee arthroplasty / Clin Orthop Relat Res (356):144~153
Pietsch M / 2012 / Early revision for isolated internal malro-tation of the femoral component in total knee arthroplasty / Knee Surg Sports Traumatol Arthrosc 20:1057~1063
Dennis DA / 2010 / Gap balancing versus measured resection technique for total knee arthroplasty / Clin Orthop Relat Res 468:102~107
Christensen CP / 2013 / Soft tissue releases affect the femoral component rotation necessary to create a balanced flexion gap during total knee arthroplasty / J Arthroplasty 28:1528~1532
Berger RA / 1998 / Malrotation causing patellofemoral complications after total knee arthroplasty / Clin Orthop Relat Res (356):144~153
Pietsch M / 2012 / Early revision for isolated internal malro-tation of the femoral component in total knee arthroplasty / Knee Surg Sports Traumatol Arthrosc 20:1057~1063
Dennis DA / 2010 / Gap balancing versus measured resection technique for total knee arthroplasty / Clin Orthop Relat Res 468:102~107
Christensen CP / 2013 / Soft tissue releases affect the femoral component rotation necessary to create a balanced flexion gap during total knee arthroplasty / J Arthroplasty 28:1528~1532
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