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Both left upper lobectomy and left pneumonectomy are risk factors for postoperative stroke.


ABSTRACT: Retrospective studies have found that left upper lobectomy (LUL) may be a new risk factor for stroke, and the potential mechanism is pulmonary vein thrombosis, which more likely develops in the left superior pulmonary vein (LSPV) stump. The LSPV remaining after left pneumonectomy is similar to that remaining after LUL. However, the association between left pneumonectomy, LUL, and postoperative stroke remains unclear. Thus, we sought to analyze whether both LUL and left pneumonectomy are risk factors for postoperative stroke. We prospectively included consecutive patients who underwent resection between November 2016 and March 2018 at our institution with 6 months of follow-up. Baseline demographic and clinical data were taken. A logistic regression model was used to determine independent predictors of postoperative stroke. In our study, 756 patients who underwent an isolated pulmonary lobectomy procedure were screened; of these, 637 patients who completed the 6-month follow-up were included in the analysis. Multivariable logistic regression analysis adjusted for common risk factors showed that the LUL and left pneumonectomy were independent predictors of stroke (odds ratio, 18.12; 95% confidence interval, 2.12-155.24; P?=?0.008). Moreover, diabetes mellitus also was a predictor of postoperative stroke. In conclusion, both LUL and left pneumonectomy are significant risk factors for postoperative stroke.

SUBMITTER: Xie N 

PROVIDER: S-EPMC6639360 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

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