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Expert Rev Anti Infect Ther. 2010 Sep;8(9):1037-48. doi: 10.1586/eri.10.89.

Molecular microbiological methods in the diagnosis of neonatal sepsis.

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  • 1Section of Neonatology, Department of Pediatrics, Texas Children's Hospital & Baylor College of Medicine, 6621 Fannin St, Houston, TX 77030, USA. mohanv@bcm.edu

Abstract

Neonatal sepsis is a major cause of neonatal mortality and morbidity. The current gold standard for diagnosis of sepsis, namely blood culture, suffers from low sensitivity and a reporting delay of approximately 48-72 h. Rapid detection of sepsis and institution of antimicrobial therapy may improve patient outcomes. Rapid and sensitive tests that can inform clinicians regarding the institution or optimization of antimicrobial therapy are urgently needed. The ideal diagnostic test should have adequate specificity and negative predictive value to reliably exclude sepsis and avoid unnecessary antibiotic therapy. We comprehensively searched for neonatal studies that evaluated molecular methods for diagnosis of sepsis. We identified 19 studies that were assessed with respect to assay methodology and diagnostic characteristics. In addition, we also reviewed newer molecular microbiological assays of relevance that have not been fully evaluated in neonates. Molecular methods offer distinct advantages over blood cultures, including increased sensitivity and rapid diagnosis. However, diagnostic accuracy and cost-effectiveness should be established before implementation in clinical practice.

PMID:
20818947
[PubMed - indexed for MEDLINE]
PMCID:
PMC2956278
Free PMC Article

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