Risk factors contributing to postoperative respiratory failure in elderly patients after noncardiac surgery
- VernacularTitle:老年病人非心脏手术术后呼吸衰竭的危险因素分析
- Author:
Hong ZHANG
;
Zhanggang XUE
;
Hao JIANG
- Publication Type:Journal Article
- Keywords:
Aged;
Respiratory insufficiency;
Postoperative period;
Risk factors
- From:
Chinese Journal of Anesthesiology
1995;0(02):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To analyze the risk factors associated with postoperative respiratory failure (PRF) in elderly patients undergoing noncardiac surgery. Methods In a prospective randomized joint study, 582 patients conforming to the criteria established by the four medical centers were enrolled for analysis. Univariate analysis and multivariate logistic regression analysis were used to examine the relations between perioperative risk factors and PRF. PRF was defined as mechanical ventilation after operation lasting for more than 48h or reintubation and mechanical ventilation within 6h after extubation.Results Fifty-one patients developed PRF (8.8%) . Multivariate logistic regression analysis identified that the type of surgery, ASA physical status classification, history of COPD and plasma albumin upper abdominal surgery and peripheral vascular surgery. The reason that neurosurgery topped the list was that most neurosurgical patients suffered from severe head injury and postoperative mechanical ventilation was prolonged because of coma. Our study showed that physical status was also a significant predictor of PRF. According to ASA classification, one class higher increased the risk by 6.325 time s. Conclusion Based on these predictors of PRF, in high risk elderly patients necessary measures can be taken to decrease the development of PRF.
