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目的:探讨超声检查在类风湿性关节炎(RA)患者活动期膝关节病变中的价值。方法:48例RA(病程1~8年)患者与26例健康人分别做超声检查,分析两组膝关节超声图像,比较滑膜厚度、关节腔积液深度及血流情况。结果:RA组患者滑膜厚度、积液深度较对照组增多(P<0.01),RA组滑膜血流较对照组增多(P<0.05),均有统计学意义。结论:超声检查RA活动期膝关节病变,可作为临床诊断RA活动期依据。
Objective: To investigate the value of ultrasonography in detecting active knee joint disease in patients with rheumatoid arthritis (RA). Methods: 48 cases of RA (1 to 8 years) and 26 healthy subjects were examined by ultrasound. The knee joint ultrasound images were analyzed. The synovial thickness, the depth of joint effusion and blood flow were compared. Results: The synovial thickness and effusion depth in RA group were significantly higher than those in control group (P <0.01). The synovial flow in RA group was significantly higher than that in control group (P <0.05). Conclusion: Ultrasound examination of RA active knee joint disease can be used as a basis for clinical diagnosis of RA activity.