Extremely High Mortality Rates in Patients with Carbapenem-resistant, Hypermucoviscous Klebsiella pneumoniae Blood Stream Infections (original) (raw)

The Journal of the Association of Physicians of India, 2018

Abstract

Background Infections caused by carbapenem resistant K. pneumoniae are increasing and associated with high mortality rates. There are increasing reports of hypermucoviscous/ hypervirulent K. pneumoniae isolated from various sources. However, there is limited data on the prevalence of hypermucoviscous strains among carbapenem-resistant K. pneumoniae from invasive infections in India and its association with mortality. rmpA, rmpA2 and magA genes are associated with these hypervirulent strains. In this study, we investigate the prevalence of hypermucoviscous strains amongst carbapenem resistant K. pneumoniae isolated from blood culture. Association of mortality rate with meropenem minimum inhibitory concentration and hypermucoviscous strains are determined. Methods 86 non-repetitive carbapenem resistant K. pneumoniae isolated from bacteremia underwent E-test for meropenem minimum inhibitory concentration (MIC) determination and PCR for detection of carbapenamase genes. String test, PCR...

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