Mortality and factors associated with acute exacerbation after noncardiac surgery in patients with interstitial pneumonia: a retrospective study.

Background: Acute exacerbation of interstitial pneumonia (AE-IP) is associated with high mortality rates. Although the risk factors for AE-IP have been extensively studied, given the small sample sizes, only a few risk factors have been established. This study aimed to investigate the postoperative mortality and factors associated with AE-IP.