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目的探讨超声在诊断类风湿性关节炎(RA)患者膝关节软组织病变及关节积液的应用价值。方法 RA组患者57例,体检健康者57例为对照组,超声观测两组膝关节软组织病变及关节积液的情况。结果 RA组髌上囊液体深度(0.58±0.29)cm,滑膜厚度(0.41±0.32)cm,均大于对照组;股骨内、外侧髁软骨厚度为(0.76±0.25)mm和(1.12±0.23)mm,均小于对照组,差异均有统计学意义(均P<0.05)。RA组中髌上囊积液检出率为84.2%,高于对照组(8.7%);RA组滑膜内血流检出率为80.7%,亦高于对照组(3.5%),差异均有统计学意义(均P<0.05)。结论超声对RA患者膝关节软组织病变及关节积液的诊断准确,具有无创、直观及重复性好等优点,值得推广。
Objective To investigate the value of ultrasound in the diagnosis of knee joint soft tissue lesions and joint effusion in patients with rheumatoid arthritis (RA). Methods 57 cases of RA group and 57 cases of healthy subjects were used as control group. The knee joint soft tissue lesions and joint effusion were observed by ultrasound. Results The thickness of the suprapatellar fluid in the RA group was (0.58 ± 0.29) cm and the synovial thickness was (0.41 ± 0.32) cm, which were significantly larger than those in the control group (0.76 ± 0.25) and (1.12 ± 0.23) mm, both smaller than the control group, the differences were statistically significant (P <0.05). The rate of effusion of the suprapatellar plexus in RA group was 84.2%, which was higher than that of the control group (8.7%). The synovial flow rate in RA group was 80.7%, also higher than that in the control group (3.5%) There was statistical significance (all P <0.05). Conclusion The diagnosis of knee joint soft-tissue lesions and joint effusion in RA patients is accurate, with the advantages of non-invasive, intuitive and good repeatability, which is worthy of popularization.