High flow nasal oxygen vs. conventional oxygen therapy over respiratory oxygenation index after esophagectomy: an observational study

Cristian Deana, Massimo Vecchiato, Francesco Bellocchio, Annarita Tullio, Antonio Martino, Antonio Ziccarelli, Vincenzo Patruno, Marika Pascolo, Flavio Bassi, Marta Pontoni, Paola Raimondi, Lorenzo Cereser, Luigi Vetrugno, Roberto Petri, Alessandro Uzzau