Impact of perioperative hemodynamic optimization therapies in surgical patients: economic study and meta-analysis - Silva Junior, Joao M; Menezes, Pedro Ferro L; Lobo, Suzana M; Carvalho, Flavia Helena S. de; Oliveira, Mariana Augusta N. de; Cardoso Filho, Francisco Nilson F; Fernando, Bruna N; Carmona, Maria José Carvalho; Teich, Vanessa D.; Malbouisson, Luiz Marcelo S (Bmc anesthesiology, 2020)