Mild or malign: Clinical Characteristics and Outcomes of Clostridium difficile infection in Thailand

Document Type

Journal Article

Publication Title

Journal of Clinical Microbiology

ISSN

00951137

Volume

58

Issue

9

PubMed ID

32580954

Publisher

American Society for Microbiology

School

School of Medical and Health Sciences

RAS ID

32157

Comments

Imwattana, K., Putsathit, P., Leepattarakit, T., Kiratisin, P., & Riley, T. V. (2020). Mild or malign: Clinical characteristics and outcomes of clostridium difficile infection in Thailand. Journal of Clinical Microbiology, 58, article e01217-20. https://doi.org/10.1128/JCM.01217-20

Abstract

Copyright © 2020 American Society for Microbiology. All Rights Reserved. Little is known about the clinical characteristics of Clostridium difficile infection (CDI) in Asia in general, and Thailand specifically, with a few studies suggesting that the disease may be milder than elsewhere. This study aimed to describe CDI in Thailand, evaluate treatment options and their outcomes, and explore possible protective factors responsible for any unique disease characteristics. From 2015 to 2018, 469 patients were included in the study. All patients had their stools tested for the tcdB gene by direct PCR and detection of toxigenic C. difficile by culture. C. difficile isolates were subjected to toxin gene profiling and ribotyping, and patient medical records were reviewed retrospectively. There were 248 and 221 patients included in CDI and control groups, respectively. The CDI group had a higher overall 30-day mortality rate than the control group (21% versus 14%, P = 0.046), but only 2 deaths (1%) were directly attributable to CDI. Metronidazole treatment was not inferior to vancomycin in this population, and vancomycin was associated with a higher 30-day mortality rate (P = 0.047). The prevalence of severe CDI and disease outcomes were not different between patients infected with A–B+ C. difficile and A+B+ C. difficile strains or between patients with and without colonization by nontoxigenic C. difficile. Besides C. difficile-specific tests, neither a single laboratory result nor a combination of results was predictive of CDI. In conclusion, CDI in Thailand was relatively mild, and metronidazole remained an effective treatment option for these mild infections.

DOI

10.1128/JCM.01217-20

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