期刊
AMERICAN JOURNAL OF THE MEDICAL SCIENCES
卷 362, 期 6, 页码 570-577出版社
ELSEVIER SCIENCE INC
关键词
Systemic sclerosis; Scleroderma related disorder; Cardiovascular; Mortality; Diagnostic imaging
资金
- Research and Graduate Studies, Khon Kaen University, Thailand
Cardiac involvement in patients with systemic sclerosis can progress slowly or even be reversed. The incidence of symptomatic cardiac involvement after 2 years is low, with pulmonary arterial hypertension being the most prevalent symptom. Male patients have a higher risk of mortality.
Background: Asymptomatic cardiac involvement in systemic sclerosis (SSc) has been reported. Long-term follow-up might elucidate the clinical implications of these abnormalities. The aim was to identify the clinical outcomes of asymptomatic cardiac involvement in SSc patients after 2 years of follow-up. Methods: A cohort study was done at Khon Kaen University, Thailand, on adult patients with SSc who completed the preliminary study. Repeated investigations included electrocardiography, chest radiography, echocardiography, and blood tests for creatine kinase-MB, high sensitivity cardiac troponin-T, and N-terminal prohormone of brain natriuretic peptide. Results: Seventy-four of the 103 patients from the previous study were enrolled. The mean duration of follow-up was 3.1 +/- 0.9 years. Five patients developed symptomatic cardiac involvement-all of whom had pulmonary arterial hypertension (PAH). The incidence of symptomatic cardiac involvement for the combined 315 person-years was 1.6 per 100-person-years (95%CI 0.7-3.4). Fourteen patients died resulting in a mortality incidence of 4.4 per 100-person-years (95%CI 4.3-5.4). Persistent cardiac involvement was found in 35 patients for an incidence of 11.1 per 100-person-years (95%CI 8.0-15.5). Two of the patients who had persistent elevated cardiac enzyme developed PAH at a respective 3.7 and 39.4 months after the initial evaluation. None of the clinical parameters were predictive of symptomatic and persistent cardiac involvement. Only male sex was associated with mortality (hazard ratio 3.70; 95%CI 1.22-11.11). Conclusions: Cardiac involvement in SSc can progress slowly or even be reversed. Based on a previous test, the incidence of symptomatic cardiac involvement after 2 years was low despite its being a persistent involvement. If symptomatic cardiac involvement develops, PAH is the most prevalent symptom.
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