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Jornal de Pediatria
versão impressa ISSN 0021-7557
ANDRES, Silvia et al. Hospitalization due to respiratory syncytial virus infection in patients under 2 years of age with hemodynamically significant congenital heart disease. J. Pediatr. (Rio J.) [online]. 2012, vol.88, n.3, pp. 246-252. ISSN 0021-7557. http://dx.doi.org/10.2223/JPED.2202.
OBJECTIVE: To describe hospitalization rates, burden of disease, and associated risk factors of acute respiratory infections (ARI), particularly those caused by respiratory syncytial virus (RSV) and non-RSV-ARI, in a cohort of patients under 2 years of age with congenital heart disease (CHD). METHODS: A prospective, observational cohort study was conducted with CHD patients discharged from the neonatal unit and followed up at a referral center. Demographic variables, type of CHD, and medical needs were recorded. Study primary outcome was hospitalization for ARI (overall, due to RSV, and due to other causes). Secondary outcome was burden of disease in hospitalized patients. Incidence rates of hospitalization were calculated for overall ARI and RSV-ARI. Incidence densities were additionally calculated. RESULTS: Seventy-one patients with birth weight 3,043±720 g (mean ± SD) were included; 74% required surgery and 8.4% died of CHD during the study. Overall, 22/71 patients were hospitalized due to ARI (31%; 95%CI 20-43), 15 of them RSV-associated (21%; 95% CI 12-32), and there were 1.35 episodes of hospitalization for ARI/1,000 days of follow-up (0.92 episodes of hospitalization for RSV-ARI/1,000 days). Forty per cent of patients with ARI due to RSV needed admission to pediatric ICU and 30% required mechanical ventilation vs. none in non-RSV-ARI. CONCLUSIONS: In the studied population, ARI hospitalization was common, and RSV was its most frequent cause. Disease burden associated with RSV-ARI was considerable, although no patient died from ARI. Except younger age, no other biological or social risk factors were found associated with RSV-ARI hospitalization.
Palavras-chave : Respiratory syncytial virus; respiratory tract infections; heart disease; infants.