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A positive pneumococcal urinary antigen test promotes narrow spectrum antibiotic use in patients with non-invasive pneumococcal pneumonia.

Abstract：

BACKGROUND:We compared changes in antibiotics in patients diagnosed with noninvasive pneumococcal pneumonia (NPP) by pneumoccocal urinary antigen tests or respiratory cultures. METHODS:We compared patients diagnosed by pneumococcal urinary antigen tests or respiratory cultures that grew Streptococcus pneumoniae. We assessed the time from sample receipt to final result and antibiotic regimens, including an Antibiotic Spectrum Index (ASI). RESULTS:Seventy-two cases of NPP were diagnosed by pneumococcal urinary antigen and 87 by respiratory cultures, with a median time from sample receipt to final result of 0.21 days (interquartile range (IQR) 0.17-1.17) and 3.21 days (IQR 3.17-4.21 days), respectively. Among 123 cases without antibiotic allergies, between days 0 and 2, the ASI decreased in 36% (18/50) of cases diagnosed by urinary antigen compared to 10% (7/73) of cases diagnosed by respiratory culture (P < 0.01). CONCLUSIONS:Positive pneumococcal urinary antigen tests lead to early deescalation of antibiotics more frequently than respiratory cultures.

journal_name

Diagn Microbiol Infect Dis

journal_title

Diagnostic microbiology and infectious disease

authors

Banks R,Zappernick T,Wilson B,Perez F,Jump RLP

doi

10.1016/j.diagmicrobio.2019.114897

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

114897

issue

2

eissn

0732-8893

issn

1879-0070

pii

S0732-8893(19)30658-3

journal_volume

96

pub_type

杂志文章

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