Detection of respiratory viruses with a multiplex polymerase chain reaction assay (MultiCode-PLx Respiratory Virus Panel) in patients with hematologic malignancies.

Abstract:

:Respiratory viral pathogens are a common cause of morbidity in patients with hematologic malignancies. Sensitive molecular assays have increased the detection of common respiratory viruses and expanded the panel of detectable viruses. Both a rapid viral culture with direct fluorescence antibody (DFA) staining and a PCR-based assay (MultiCode-PLx Respiratory Virus Panel) were performed on patients with hematologic malignancies, who underwent collection of a nasopharyngeal swab or bronchoalveolar lavage from October 2006 to April 2007. Eighty-two samples from 70 patients were obtained; all patients had upper respiratory tract symptoms. Respiratory viruses were detected in 10 samples (12%) by conventional virological methods and in 31 samples (38%) by the MultiCode-PLx assay. This increased diagnostic yield resulted from better sensitivity for those viruses detectable by both methods and detection of viruses not covered by the antigen detection/rapid culture method (human metapneumovirus, coronaviruses and rhinoviruses). The MultiCode-PLx assay frequently identified respiratory viral infections which are not detected by rapid viral culture/DFA; 40% of these patients had pneumonia in addition to the upper respiratory tract symptoms. Improved diagnostics for respiratory viruses may lead to more effective management and better outcomes in this patient population.

journal_name

Leuk Lymphoma

journal_title

Leukemia & lymphoma

authors

Murali S,Langston AA,Nolte FS,Banks G,Martin R,Caliendo AM

doi

10.1080/10428190902777665

subject

Has Abstract

pub_date

2009-04-01 00:00:00

pages

619-24

issue

4

eissn

1042-8194

issn

1029-2403

pii

910513777

journal_volume

50

pub_type

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