TRIAL PROTOCOL

Off-pump versus On-pump Coronary Artery Bypass Grafting in Frail Patients: Study Protocol for the FRAGILE Multicenter Randomized Controlled Trial

Omar Asdrubal Vilca Mejia^I; Michel Pompeu Barros Oliveira Sá^II,^III; Maurilio Onofre Deininger^IV; Luís Roberto Palma Dallan^I; Rodrigo Coelho Segalote^V; Marco Antonio Praça de Oliveira^VI; Fernando Antibas Atik^VII; Magaly Arrais dos Santos^VIII; Pedro Gabriel Melo de Barros e Silva^IX; Rodrigo Mussi Milani^X; Alexandre Ciappina Hueb^I,^XI; Rosangela Monteiro^I; Ricardo Carvalho Lima^II,^III; Luiz Augusto Ferreira Lisboa^I; Luís Alberto Oliveira Dallan^I; John Puskas^XII; Fabio Biscegli Jatene^I