Article ID Journal Published Year Pages File Type
2498619 Clinical Trials and Regulatory Science in Cardiology 2016 4 Pages PDF
Abstract

BackgroundRheumatic fever recurrence (RFrec) contributes to the worsening of rheumatic valve disease. There are few studies describing the factors associated with recurrence.ObjectivesTo analyze the potential risk factors for RFrec in an outpatient cohort.MethodsWe evaluated 148 patients from a cohort of 218 patients treated at rheumatic fever (RF) clinics of the University Hospital Prof. Edgard Santos (Salvador-BA), with at least two years of follow-up.ResultsThe mean age was 29.7 ± 12.7 years, with 64% female. RFrec occurred in 14.2% of patients. Patients with and without recurrence differed in age (23.4 ± 9.9 × 30.8 ± 12.7 years, p = 0.024), age ≤ 23 years (82.3% vs 39.6%, p = 0.001), non-adherence to prophylaxis (36.8% vs 15.5%, p = 0.027), prior heart failure (HF) (38% vs. 17%, p = 0.03), presence of aortic regurgitation on echocardiography (71% vs. 44%, p = 0.05) and diastolic dimension of the left ventricle (58.0 ± 16.2 × 51.6 ± 8.6 mm, p = 0.025). Estimated relative risk of RFrec were: age ≤ 23 years RR 5.6 (95% CI 1.7 to 18.5) — p = 0.001; non-adherence to prophylaxis RR 2.6 (95% CI 1.1 to 5.9) — p = 0.027; prior HF RR 2.4 (95% CI 1.1 to 5.2) — p = 0.03. In multivariate analysis, these three parameters showed significant independent association with RFrec.ConclusionsRFrec occurred in 14.2% of patients. Age ≤ 23 years, lack of adherence to secondary prophylaxis and prior HF were independent predictors of recurrence.

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