Does Your "Backup" Method Have Your Back? Controversies Surrounding Backup of Rapid Antigen Detection Methods for Group A Streptococcus

Diana R. Hernandez, Donna Wolk

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Accurate diagnosis of streptococcal pharyngitis followed by appropriate antibiotic therapy is important for the prevention and control of group A streptococcus (GAS) infection and its sequelae. Rapid antigen detection methods (RADTs) for detection of GAS antigen are commonly used to speed the diagnosis of streptococcal pharyngitis; however, reports of false-negative antigen tests are common. In this review, we describe the conflicting strategies that surround GAS testing and reflexive backup testing for samples found to be negative for Streptococcus pyogenes antigen. We invite you to examine your GAS backup or reflexive testing strategy and ask yourself, "Does my laboratory's GAS backup method have my back?" More importantly, "Is reflexive testing designed to provide optimized diagnostic care for my patient population?".

Original languageEnglish (US)
Pages (from-to)111-118
Number of pages8
JournalClinical Microbiology Newsletter
Volume37
Issue number14
DOIs
StatePublished - Jul 15 2015
Externally publishedYes

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Streptococcus
Antigens
Pharyngitis
Streptococcus pyogenes
Patient Care
Anti-Bacterial Agents
Control Groups
Infection
Population
Therapeutics

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

Cite this

Does Your "Backup" Method Have Your Back? Controversies Surrounding Backup of Rapid Antigen Detection Methods for Group A Streptococcus. / Hernandez, Diana R.; Wolk, Donna.

In: Clinical Microbiology Newsletter, Vol. 37, No. 14, 15.07.2015, p. 111-118.

Research output: Contribution to journalArticle

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