Ansari S, Ackroyd C E, Newman J H
Baylor University Medical Center, Dallas, Texas, USA.
Am J Knee Surg. 1998 Winter;11(1):9-14.
Survival was tested in 445 primary Kinematic knee replacements performed between January 1981 and December 1990. Three criteria were applied to indicate failure: 1) revision or recommended revision, 2) presence of moderate to severe pain or revision, and 3) lost to follow-up or revision. Using these three criteria, the survival rate at 10 years was 96%, 78%, and 69%, respectively. At last follow-up examination, 84% of knees had good or excellent Bristol knee scores with mean range of motion 100 degrees. Overall, 11 knees (2.5%) have been revised and 27 cases (6%) were graded as failures due to presence of moderate to severe pain at the time of the last evaluation. These results indicate that the posterior cruciate ligament-retaining Kinematic prosthesis provides satisfactory function and survival up to 10 years.
对1981年1月至1990年12月期间进行的445例初次膝关节运动型置换手术的患者进行了生存率测试。采用三项标准来判定失败：1）翻修或建议翻修；2）存在中度至重度疼痛或翻修；3）失访或翻修。采用这三项标准，10年生存率分别为96%、78%和69%。在最后一次随访检查时，84%的膝关节布里斯托尔膝关节评分良好或优秀，平均活动范围为100度。总体而言，11例膝关节（2.5%）进行了翻修，27例（6%）因在最后一次评估时存在中度至重度疼痛而被判定为失败。这些结果表明，保留后交叉韧带的膝关节运动型假体在长达10年的时间里提供了令人满意的功能和生存率。
