When computer-assisted knee replacement is the best alternative

被引:42
作者
Fehring, Thomas K.
Mason, J. Bohannon
Moskal, Joseph
Pollock, David C.
Mann, John
Williams, Vincent J.
机构
[1] OrthoCarolina Hip & Knee Ctr, Charlotte, NC 28207 USA
[2] Roanoke Orthoped Ctr, Roanoke, VA USA
[3] Orthoped Specialists, Winston Salem, NC USA
[4] Ctr Orthopaed, Branford, CT USA
关键词
D O I
10.1097/01.blo.0000229363.50361.25
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
We studied whether computer-assisted surgery could properly align total knee arthroplasty when traditional instrumentation was not possible or appropriate. We identified 16 patients (18 knees) who we believed could not be treated using traditional instrumentation because of posttraumatic femoral deformity, retained femoral hardware, a history of osteomyelitis, or severe cardiopulmonary disease. Computer-assisted surgery was successfully used in 17 knees; we were unable to accurately register the hip in one morbidly obese patient. We judged the overall mechanical axis of the limb using computer-assisted surgery acceptable in 16 of 17 knees. One patient with a major posttraumatic biplane deformity had an overall mechanical axis in 4 degrees of varus. Computer-assisted navigation seemed helpful in difficult situations where accurate alignment remains crucial, yet traditional instrumentation is not applicable.
引用
收藏
页码:132 / 136
页数:5
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