Article ; Online: Enhancing enteric pathogen detection: implementation and impact of multiplex PCR for improved diagnosis and surveillance.
2024 Volume 24, Issue 1, Page(s) 171
Abstract: Background: Syndromic surveillance of acute gastroenteritis plays a significant role in the diagnosis and management of gastrointestinal infections that are responsible for a substantial number of deaths globally, especially in developing countries. In ... ...
| Abstract | Background: Syndromic surveillance of acute gastroenteritis plays a significant role in the diagnosis and management of gastrointestinal infections that are responsible for a substantial number of deaths globally, especially in developing countries. In Lebanon, there is a lack of national surveillance for acute gastroenteritis, and limited data exists regarding the prevalence of pathogens causing diarrhea. The one-year study aims to investigate the epidemiology of common gastrointestinal pathogens and compare our findings with causative agents of diarrhea reported by our study collaborative centers. Methods: A multicenter, cross-sectional study was conducted over a one-year period. A total of 271 samples were obtained from outpatients and inpatients presenting with symptoms of acute gastroenteritis at various healthcare facilities. The samples were then analyzed using Allplex gastrointestinal assay that identifies a panel of enteric pathogens. Results: Overall, enteropathogens were detected in 71% of the enrolled cases, 46% of those were identified in patients as single and 54% as mixed infections. Bacteria were observed in 48%, parasites in 12% and viruses in 11%. Bacterial infections were the most prevalent in all age groups. Enteroaggregative E. coli (26.5%), Enterotoxigenic E. coli (23.2%) and Enteropathogenic E. coli (20.3%) were the most frequently identified followed by Blastocystis hominis (15.5%) and Rotavirus (7.7%). Highest hospitalization rate occurred with rotavirus (63%), Enterotoxigenic E. coli (50%), Blastocystis hominis (45%) and Enteropathogenic E. coli (43%). Enteric pathogens were prevalent during summer, fall and winter seasons. Conclusions: The adoption of multiplex real-time PCR assays in the diagnosis of gastrointestinal infections has identified gaps and improved the rates of detection for multiple pathogens. Our findings highlight the importance of conducting comprehensive surveillance to monitor enteric infections. The implementation of a syndromic testing panel can therefore provide healthcare professionals with timely and accurate information for more effective treatment and public health interventions. |
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| MeSH term(s) | Humans ; Multiplex Polymerase Chain Reaction ; Cross-Sectional Studies ; Gastroenteritis/diagnosis ; Gastroenteritis/epidemiology ; Gastroenteritis/microbiology ; Diarrhea/diagnosis ; Diarrhea/epidemiology ; Diarrhea/etiology ; Rotavirus/genetics ; Enteropathogenic Escherichia coli ; Enterotoxigenic Escherichia coli ; Feces/microbiology |
| Language | English |
| Publishing date | 2024-02-07 |
| Publishing country | England |
| Document type | Multicenter Study ; Journal Article |
| ZDB-ID | 2041550-3 |
| ISSN | 1471-2334 ; 1471-2334 |
| ISSN (online) | 1471-2334 |
| ISSN | 1471-2334 |
| DOI | 10.1186/s12879-024-09047-z |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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