Risk Factors for Colistin-Resistant Carbapenem-Resistant Klebsiella pneumoniae in the Postacute Care Setting

Open Forum Infect Dis. 2022 Sep 2;9(9):ofac452. doi: 10.1093/ofid/ofac452. eCollection 2022 Sep.

Abstract

We assessed risk factors for colistin resistance among carbapenem-resistant Klebsiella pneumoniae (CRKP) from 375 patients in long-term acute care hospitals. Recent colistin or polymyxin B exposure was associated with increased odds of colistin resistance (adjusted odds ratio = 1.11 per day of exposure, 95% confidence interval = 1.03-1.19, P = .007).

Keywords: carbapenem-resistant Klebsiella pneumoniae; colistin; long-term acute care hospitals.