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
- 2017.1
- 수록면
- 225 - 231 (7page)
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초록· 키워드
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Purpose: To compare navigation and weight bearing radiographic measurements of mechanical axis (MA) before and after closed wedge high tibial osteotomy (HTO) and to evaluate postosteotomy changes in MA assessed during application of external varus or valgus force.Materials and Methods: Data from 30 consecutive patients (30 knees) who underwent computerassisted closedwedge HTO were prospectively analyzed. Pre and postoperative weight bearing radiographic evaluation of MA was performed. Under navigation guidance, pre and postosteotomy MA values were measured in an unloaded position. Any change in the postosteotomy MA in response to external varus or valgus force, which was named as dynamic range, was evaluated with the navigation system. The navigation and weight bearing radiographic measurements were compared. Results: Although there was a positive correlation between navigation and radiographic measurements, the reliability of navigation measurements of coronal alignment was reduced after osteotomy and wedge closing. The mean postosteotomy MA value measured with the navigation was 3.5°±0.8° valgus in an unloaded position. It was 1.3°±0.8° valgus under varus force and 5.8°±1.1° valgus under valgus force. The average dynamic range was >±2°.Conclusions: Poten tial differences between the postoperative MAs assessed by weight bearing radiographs and the navigation system in unloaded position should be con sidered during computerassisted closed wedge HTO. Care should be taken to keep the dynamic range within the permissible range of alignment goal in HTO.
목차
등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Bae DK / 1997 / A newly designed miniplate staple for high tibial osteotomy / Bull Hosp Jt Dis 56 : 167 ~ 170
Bae DK / 2009 / Closed-wedge high tibial osteotomy using computer-assisted surgery compared to the conventional technique / J Bone Joint Surg Br 91 : 1164 ~ 1171
Chan YH / 2003 / Biostatistics 104 : correlational analysis / Singapore Med J 44 : 614 ~ 619
Coventry MB / 1993 / Proximal tibial osteotomy : a critical long-term study of eighty-seven cases / J Bone Joint Surg Am 75 : 196 ~ 201
Fowler JR / 2011 / The accuracy of digital radiography in orthopaedic applications / Clin Orthop Relat Res 469 : 1781 ~ 1784
Bae DK / 2009 / Closed-wedge high tibial osteotomy using computer-assisted surgery compared to the conventional technique / J Bone Joint Surg Br 91 : 1164 ~ 1171
Chan YH / 2003 / Biostatistics 104 : correlational analysis / Singapore Med J 44 : 614 ~ 619
Coventry MB / 1993 / Proximal tibial osteotomy : a critical long-term study of eighty-seven cases / J Bone Joint Surg Am 75 : 196 ~ 201
Fowler JR / 2011 / The accuracy of digital radiography in orthopaedic applications / Clin Orthop Relat Res 469 : 1781 ~ 1784
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