Behavior of the synovial vascular pattern in patients with active rheumatoid arthritis
Keywords:
rheumatoid arthritis, activity, vascular morphology.Abstract
ABSTRACT
Introduction: Rheumatoid arthritis is a chronic and progressive inflammatory disorder that manifests as symmetric polyarthritis of small and large joints. This polyarthritis can lead to structural joint and periarticular damage, as well as the consequences of systemic inflammation.
Objective: To identify whether there is an association between synovial vascular patterns and overall disease activity in patients with rheumatoid arthritis.
Methods: A descriptive cross-sectional study was conducted during the period from January 2008 to July 2012. The study population consisted of 136 patients with rheumatoid arthritis who experienced persistent pain and inflammation in a single joint for more than three months and who underwent arthroscopy.
Results: The cases under study were predominantly characterized by an average age of 52.4 years; 89 women (84%); 69 White individuals (65%) and an average disease duration of 20.5 years. Women had a higher frequency of moderate and high activity with statistically significant differences (p < 0.018). Straight vessels were more frequent in women, with the difference compared to men being statistically significant (p = 0.026). The presence of fibrin showed a significant association with the presence of straight vessels (p = 0.028). The presence of straight vessels was associated with moderate and high disease activity with a p value of 0.012.
Conclusions: Female sex and the presence of straight vessels in patients with active rheumatoid arthritis were associated. The straight vascular pattern is associated with macroscopic characteristics of the synovium that indicate activity, such as the presence of fibrin and glove finger images. It was also more frequently associated with moderate and high activity levels, according to the simplified rheumatoid arthritis activity index.
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