This study investigated the incidence of postoperative pulmonary complications in various hospitals, and carried out demonstrative comprehensive intervention for elderly patients in several hospitals according to the comprehensive intervention system program of perioperative pulmonary complications, to observe whether the perioperative prognosis can be improved and the quality of life can be improved, thus verifying and optimizing the current evaluation system and intervention system, and providing evidence support for further extensive application.
The purpose of this study is to carry out demonstrative comprehensive intervention for elderly patients in several hospitals to observe whether it can reduce the incidence and mortality of perioperative pulmonary complications in elderly patients and improve their perioperative prognosis.