Infection and drug resistance · 2022
Factors Associated with Multi-Drug-Resistant Non-Typhoidal Salmonella in the Invasive Disease, Thailand.
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Hengkrawit Kitchawan, Tangjade Chidchanok
Аннотация
PURPOSE: Invasive non-typhoidal Salmonella disease, iNTS is a major global health concern, especially multi-drug resistant non-typhoidal Salmonella, MDR-NTS. Information about risk factors of MDR-NTS in the invasive disease patient group was limited. This study aimed to identify those risk factors.
METHODS: This retrospective study examined data from patients who had non-typhoidal Salmonella, NTS infection, from 10 hospitals between June 2011 and June 2020. The multivariate regression analysis included demographic data, clinical data, culture reports, and antimicrobial susceptibility.
RESULTS: A total of 166 patients were invasive salmonellosis. where the median age was 8.3 years (IQR 1.8-79). 52% were the under-15-years-old group. Most of the patient data, 64.5% (107/166), was from a tertiary hospital. The majority of cases were bacteremia 95.7% (159/166). Serogroup C was the most common serogroup (39%). MDR-NTS was present in 68.8% (95% CI 7.17-11.06) of patients. Univariate analysis showed that onset of illness >3 days PTA (p=0.11), age over 60 years old (0.014), diabetic (p=0.002), or serogroup C infection (p=0.43) were significant factors for MDR-NTS infection. Multivariate analysis showed that the onset of symptoms more than 3 days before admission (p=0.001), and age over 60 years were significant factors. The patient who had white blood cells >15,000 cells/uL (p<0.001), a peak of fever ≥39 C° (p=001), and illness for more than 3 days before admission (p=0.035) were significantly related to invasive infection by multivariate analyses.
CONCLUSION: The iNTS patients who were over 60 years old or had onset of illness more than 3 days before admission were associated with MDR-NTS infection. Therefore, the choice of antimicrobials selected must be appropriate for the local prevalence and epidemiology of MDR-NTS including clinical correlation.
METHODS: This retrospective study examined data from patients who had non-typhoidal Salmonella, NTS infection, from 10 hospitals between June 2011 and June 2020. The multivariate regression analysis included demographic data, clinical data, culture reports, and antimicrobial susceptibility.
RESULTS: A total of 166 patients were invasive salmonellosis. where the median age was 8.3 years (IQR 1.8-79). 52% were the under-15-years-old group. Most of the patient data, 64.5% (107/166), was from a tertiary hospital. The majority of cases were bacteremia 95.7% (159/166). Serogroup C was the most common serogroup (39%). MDR-NTS was present in 68.8% (95% CI 7.17-11.06) of patients. Univariate analysis showed that onset of illness >3 days PTA (p=0.11), age over 60 years old (0.014), diabetic (p=0.002), or serogroup C infection (p=0.43) were significant factors for MDR-NTS infection. Multivariate analysis showed that the onset of symptoms more than 3 days before admission (p=0.001), and age over 60 years were significant factors. The patient who had white blood cells >15,000 cells/uL (p<0.001), a peak of fever ≥39 C° (p=001), and illness for more than 3 days before admission (p=0.035) were significantly related to invasive infection by multivariate analyses.
CONCLUSION: The iNTS patients who were over 60 years old or had onset of illness more than 3 days before admission were associated with MDR-NTS infection. Therefore, the choice of antimicrobials selected must be appropriate for the local prevalence and epidemiology of MDR-NTS including clinical correlation.