Management of Chronic Fistula Using the Cardiac Septal Defect Occluder

Guilherme Henrique Peixoto de Oliveira, Gastrointestinal Endoscopy Unit, Hospital das Clínicas, University of São Paulo School of Medicine, São Paulo, Brazil, Mob: + 55987470751; Email: guilherme.hpoliveira@hc.fm.usp.br