陶瓷全髋关节置换术疗效分析和并发症的初步探讨

THE THERAPEUTIC RESULTS AND COMPLICATIONS OF TOTAL CERAMIC HIP REPLACEMENT

本文对随访6~42个月(平均32个月)的150例陶瓷全髋关节置换术的治疗效果进行了分析。其中优占33.3%,良占36%。总有效率为93.9%。操怍技术上的错误和假体材料、结构工艺、产品质量等问题是造成疗效不佳的主要原因,并就并发症的防止作了初步探讨.

One hundred fifty cases of total ceramic hip replacement were followed up for 6-42 months,average 32 months.The result was very satisfactory in 33.3%of cases,and somewhat improved totaling in 93.3%.The main complications encountered weresinking in of metal shaft(18 cases),improper tilting of ceramic cup(7),splitting ofupper end of femur(4),dislocation of head of femur(4),loosening and displacementof cup(4),protrusion of shaft from marrow cavity(3),breaking of ceramic head(3)and foreign body reaction to metal shaft(2).Since 1980 the authors used saw toothedmetal shaft coated with thin ceramic layer(20 cases)and bone cement(12),therewere no more sinking observed within the average follow-up period of 6 months.Theimprovement in operative technic and prevention of other complications were alsodiscussed.