PCR-based diagnostics for infectious diseases: Uses, limitations, and future applications in acute-care settings

Samuel Yang, Richard E. Rothman

Research output: Contribution to journalReview articlepeer-review

Abstract

Molecular diagnostics are revolutionising the clinical practice of infectious disease. Their effects will be significant in acute-care settings where timely and accurate diagnostic tools are critical for patient treatment decisions and outcomes. PCR is the most well-developed molecular technique up to now, and has a wide range of already fulfilled, and potential, clinical applications, including specific or broad-spectrum pathogen detection, evaluation of emerging novel infections, surveillance, early detection of biothreat agents, and antimicrobial resistance profiling. PCR-based methods may also be cost effective relative to traditional testing procedures. Further advancement of technology is needed to improve automation, optimise detection sensitivity and specificity, and expand the capacity to detect multiple targets simultaneously (multiplexing). This review provides an up-to-date look at the general principles, diagnostic value, and limitations of the most current PCR-based platforms as they evolve from bench to bedside.

Original languageEnglish (US)
Pages (from-to)337-348
Number of pages12
JournalLancet Infectious Diseases
Volume4
Issue number6
DOIs
StatePublished - Jun 1 2004

ASJC Scopus subject areas

  • Infectious Diseases

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