Chronic adaptations on lung function in individuals infected with Visceral Leishmaniasis

Andrea Oliveira da Silva Sandra Brito Silva Caio Breno Reis Pires Luciana Soares Lages Gonçalves Patrícia Chaves Coertjens Marcelo Coertjens About the authors

INTRODUCTION: Although scarce, the main changes observed during cardiopulmonary infection with Visceral Leishmaniasis (VL) refer to histological and immunological and few reports of functional repercussions. OBJECTIVE: To verify and analyze the existence of chronic adaptations in pulmonary function in individuals who have been infected by VL. MATERIALS AND METHODS: It is a descriptive cross-sectional study, which evaluated nine people aged between 18 and 62 years. Anthropometric measurements and spirometry and manometer tests were performed according to the specifications of the American Thoracic Society / European Respiratory Society (ATS/ERS). For comparison of the measured and predicted values was performed Student t test for dependent data. The level of significance was p < 0.05. RESULTS: The Forced Vital Capacity (FVC) (3,8 ± 0,9 ± 0,8 vs. 4,2 l) and Forced expiratory volume in first second (FEV1) (3,3 ± 0,7 ± 0,7 vs. 3,5 l) were statistically smaller in measured values (p < 0.05). The FEV1/FVC ratio (87.6 vs. 84.4%) was higher in the measured values (p = 0.08). CONCLUSION: The data indicate that infection with VL seems to develop chronic adaptations on the respiratory system, resulting in decreased lung volumes and a tendency to restrictive breathing patterns.

Visceral Leishmaniasis; Respiratory system; Pulmonary function tests

Pontifícia Universidade Católica do Paraná Rua Imaculada Conceição, 1155 - Prado-Velho -, Curitiba - PR - CEP 80215-901, Telefone: (41) 3271-1608 - Curitiba - PR - Brazil