Objectives: This study aimed to determine whether a range of single-time-point ultrasound (US) measures of synovial disease and serologic characteristics were able to predict progression of US-defined erosive disease in patients with established rheumatoid arthritis (RA). Materials and methods: Forty patients were studied prospectively. At baseline, subjective US measures of bone damage and synovial disease, including grayscale and power Doppler (PD) scores pre- and post-Sonovue contrast, were obtained from one proximal inter-phalangeal or metacarpo-phalangeal joint per patient. After a minimum of 2 years, the same joints were scanned to obtain a new US erosion score. Results: Follow-up US erosion scores were obtained in 25 joints. Progressive US determined that bone damage occurred in 12/25 joints, including four of eight treated with anti-tumor necrosis factor therapy. Baseline erosion scores were significantly higher in joints that did not show progressive bone damage in the entire cohort (p=0.05, n=25) and a subgroup treated with disease-modifying anti-rheumatic drugs (p=0.015, n=17). There were no other significant differences in baseline US or serologic scores between joints that developed progressive damage and those that did not. Conclusions: The majority of single-time-point US measures of synovial disease were not able to identify metacarpo-phalangeal or inter-phalangeal joint destined to develop progressive US-determined bone damage in patients with established RA. This may reflect the use of single-time-point measures, insensitivity of the US erosion score, and the long duration of RA disease in this study. © 2009 ISS.
CITATION STYLE
Reynolds, P. P. M., Heron, C., Pilcher, J., & Kiely, P. D. W. (2009). Prediction of erosion progression using ultrasound in established rheumatoid arthritis: A 2-year follow-up study. Skeletal Radiology, 38(5), 473–478. https://doi.org/10.1007/s00256-009-0670-5
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