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
- 2021.12
- 수록면
- 46 - 46 (1page)
- DOI
- 10.1186/s43019-021-00129-9
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초록· 키워드
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In navigated TKA, the risk of notching is high if femoral component sagittal positioning is planned perpendicular to the sagittal mechanical axis of femur (SMX). We intended to determine if, by opting to place the femoral component perpendicular to distal femur anterior cortex axis (DCX), notching can be reduced in navigated TKA.We studied 171 patients who underwent simultaneous bilateral computer-assisted TKA. Femoral component sagittal positioning was planned perpendicular to SMX in one knee (Femur Anterior Bowing Registration Disabled, i.e. FBRD group) and perpendicular to DCX in the opposite knee (Femur Anterior Bowing Registration Enabled, i.e. FBRE group). Incidence and depth of notching were recorded in both groups. For FBRE knees, distal anterior cortex angle (DCA), which is the angle between SMX and DCX, was calculated by the computer.
Incidence and mean depth of notching was less ( p =?0.0007 and 0.009) in FBRE versus FBRD group, i.e. 7% versus 19.9% and 0.98?mm versus 1.53?mm, respectively. Notching was very high (61.8%) in FBRD limbs when the anterior bowing was severe (DCA?>?3°) in the contralateral (FBRE) limbs.
Notching was less when femoral component sagittal positioning was planned perpendicular to DCX, in navigated TKA.Therapeutic level II.
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