March 3, 2026Open Access

Evaluation of factors affecting Pneumonia Severity Index and antibiotic resistance status in culture-proven bacterial pneumonia

Key Points

Higher Pneumonia Severity Index scores are linked to comorbidities and multidrug resistance in bacterial pneumonia.
The presence of elevated immune-inflammatory biomarkers correlates with increased pneumonia severity as measured by PSI.
Assessment across multiple centers is needed for validating the links to antibiotic resistance in pneumonia cases.
Incorporating local antimicrobial resistance data may enhance clinical decision-making for pneumonia treatment.

Abstract

In culture-proven bacterial pneumonia, comorbidity burden, antimicrobial resistance-particularly multidrug resistance-and elevated immune-inflammatory biomarkers are associated with higher PSI scores. These findings highlight the importance of considering community-onset healthcare-associated pneumonia and integrating local antimicrobial resistance surveillance and laboratory biomarkers into clinical risk stratification. Further multicenter prospective studies are warranted to validate these associations.

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Cite This Study

Kaya et al. (Tue,) studied this question.

synapsesocial.com/papers/69a760dcc6e9836116a2e01e https://doi.org/https://doi.org/10.3389/fmed.2026.1720340

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