Evaluation of Sofia Fluorescent immunoassay analyzer for pneumococcal urinary antigen detection in hospitalized patients with community-acquired pneumonia

J Microbiol Methods. 2017 Oct:141:25-27. doi: 10.1016/j.mimet.2017.07.005. Epub 2017 Jul 15.

Abstract

The Sofia Streptococcus pneumoniae FIA® test was prospectively evaluated in non-concentrated urine samples of 106 hospitalized patients with community-acquired pneumonia. The test detected pneumococcal urinary antigen in 24/31 (77.4%) confirmed pneumococcal community-acquired pneumonia episodes. The specificity of the test was 86.7% (92% after urine heating).

Keywords: Community-acquired pneumonia; Pneumococcal urinary antigen; Streptococcus pneumoniae.

Publication types

  • Evaluation Study

MeSH terms

  • Adult
  • Aged
  • Aged, 80 and over
  • Antigens, Bacterial / immunology*
  • Antigens, Bacterial / urine*
  • Community-Acquired Infections / diagnosis*
  • Community-Acquired Infections / microbiology
  • Female
  • Fluorescent Antibody Technique
  • Fluoroimmunoassay / instrumentation*
  • Fluoroimmunoassay / methods
  • Hospitalization
  • Humans
  • Male
  • Middle Aged
  • Pneumonia, Pneumococcal / diagnosis*
  • Pneumonia, Pneumococcal / microbiology
  • Prospective Studies
  • Sensitivity and Specificity
  • Serogroup
  • Streptococcus pneumoniae / immunology
  • Streptococcus pneumoniae / isolation & purification*

Substances

  • Antigens, Bacterial