leNobel J, Patterson F P
J Bone Joint Surg Br. 1981 Aug;63-B(2):257-60. doi: 10.1302/0301-620X.63B2.7217152.
Eighty-three Guepar valgus-hinge prostheses and 30 prostheses with collinear femoral and the tibial components were inserted in 97 patients at Vancouver General Hospital between March 1975 and May 1978. One hundred and nine arthroplasties were reviewed between January 1979 and April 1980, after an average follow-up of 19 months. It was found that the amount of bone resected made arthrodesis difficult, that there was a very high incidence of patellar instability and that the disintegration of the Silastic bumper created a severe chemical synovitis. The results were excellent in 32, good in 23, fair in 8, and poor in 30. Patellar subluxation occurred in 28 per cent of the valgus prostheses, and in 10 per cent with the straight prostheses; it did not occur with the straight prostheses in rheumatoid joints. The chemical synovitis led to failure with devastating complications necessitating further operations in some knees.
1975年3月至1978年5月期间，温哥华总医院为97例患者植入了83个Guepar外翻铰链式假体以及30个股骨和胫骨组件共线的假体。1979年1月至1980年4月，对109例关节成形术进行了复查，平均随访19个月。结果发现，切除的骨量使关节融合变得困难，髌股关节不稳定的发生率非常高，并且硅橡胶缓冲垫的崩解引发了严重的化学性滑膜炎。结果为优32例，良23例，中8例，差30例。外翻假体中28%发生髌骨半脱位，直型假体中10%发生；类风湿性关节的直型假体未发生髌骨半脱位。化学性滑膜炎导致失败，并引发严重并发症，部分膝关节需要进一步手术。
