期刊
CLINICAL RHEUMATOLOGY
卷 38, 期 9, 页码 2613-2620出版社
SPRINGER LONDON LTD
DOI: 10.1007/s10067-019-04550-0
关键词
Doppler; Rheumatoid arthritis; Superb microvascular imaging; Ultrasound; Vascularity
类别
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Korea [2018R1D1A1B07049248]
- National Research Foundation of Korea [2018R1D1A1B07049248] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Objectives This study evaluated Superb Microvascular Imaging (SMI) technology for detection of active synovitis in patients with rheumatoid arthritis (RA). Methods Between June 2015 and October 2016, 56 patients with RA (42 females; mean age, 53.2 years) underwent gray-scale ultrasound (US) imaging, power Doppler imaging (PDI), and SMI for synovitis of both wrists and hands (total 22 joints), scored for each joint from grades 0 to 3. The sum of grades for 22 joints was determined for gray-scale (SYN-sum), PDI (PDI-sum), and SMI (SMI-sum) according to clinical parameters. Follow-up US was performed in 17 patients (mean interval, 251.6 days). Results The SMI-sum (7.27 +/- 4.56) was significantly higher than the PDI-sum (4.38 +/- 3.09, p < 0.001) and the SYN-sum (4.55 +/- 3.72, p < 0.001), and was significantly correlated with the erythrocyte sedimentation rate, C-reactive protein (CRP), and Disease Activity Score-28 (DAS28)-CRP (gamma = 0.409, p = 0.002; gamma = 0.695, p < 0.001; gamma = 0.726, p < 0.001, respectively). Moreover, in 28 patients with clinical remission, the SMI-sum (4.32 +/- 2.01) was greater than the PDI-sum (2.61 +/- 1.60, p < 0.001). In 17 patients with follow-up US, the SMI-sum (2.35 +/- 1.73) was significantly greater than the PDI-sum (1.24 +/- 1.20; p < 0.001) and was also significantly correlated with DAS28 (gamma = 0.880). Conclusion SMI may detect active synovitis with greater sensitivity than PDI in RA patients, even with clinical remission, and is well-correlated with inflammatory parameters during follow-up.
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