AI Article Synopsis
- The study aimed to analyze Clostridioides difficile infection (CDI) isolates from 10 healthcare facilities in northern Greece between 2016 and 2019, examining the evolving epidemiology of the infection.
- A total of 221 stool samples from hospitalized patients were screened for specific toxin genes and categorized using PCR ribotyping, identifying 35 different ribotypes.
- The most prevalent ribotype was RT181, found in 36% of the samples, along with other common ribotypes like 017, 126, 078, and 012, indicating a diversity of C. difficile strains in the region.
Article Abstract
Objectives: The epidemiology of Clostridioides difficile infection (CDI) has undergone many changes since the beginning of this century and continues to evolve based on recent studies. Here, we performed a molecular analysis of C. difficile isolates in northern Greece across 10 health-care facilities, spanning from 2016 to 2019.
Methods: 221 C. difficile isolates were cultured from stool samples of hospitalized patients with diarrhea and screened by PCR for the presence of the toxin A (tcdA), toxin B (tcdB), the binary toxin (cdtA and cdtB) genes and the regulating gene of tcdC. PCR ribotyping of the cultured isolates was performed by a standardized protocol for capillary gel-based PCR ribotyping and an international database with well-documented reference strains.
Results: Thirty-five different PCR ribotypes were identified. The most common RTs identified were: 181 (36%, 80/221), 017 (10%, 21/221), 126 (9%, 19/221), 078 (4%, 9/221) and 012 (4%, 8/221). Notably, the predominant RT181, with toxin profile tcdAtcdBcdtAcdtB, was identified in seven out of ten participating hospitals.
Conclusions: Multiple C. difficile ribotypes have been circulating in the northern Greece region with RTs 181 (closely related to 027), 017, 126 and 078 being predominant.
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| http://dx.doi.org/10.1016/j.anaerobe.2022.102601 | DOI Listing |
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