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; Michel Pompeu Barros Oliveira Sá; Maurilio Onofre Deininger; Luís Roberto Palma Dallan; Rodrigo Coelho Segalote; Marco Antonio Praça de Oliveira; Fernando Antibas Atik; Magaly Arrais dos Santos; Pedro Gabriel Melo de Barros e Silva; Rodrigo Mussi Milani; Alexandre Ciappina Hueb; Rosangela Monteiro; Ricardo Carvalho Lima; Luiz Augusto Ferreira Lisboa; Luís Alberto Oliveira Dallan; John Puskas; Fabio Biscegli Jatene

Braz J Cardiovasc Surg. 2017;32(5):428-434