Comparison of Multiplex Quantitative Real-Time PCR and Culture Methods for the Diagnosis of Bacterial Meningitis in Patients with Suspected Meningitis
This study aimed to compare the diagnostic efficacy of standard culture method with multiplex quantitative real-time polymerase chain reaction (qPCR) in examining cerebrospinal fluid (CSF) samples collected from patients with suspected meningitis.
A retrospective evaluation was conducted on 166 patients with suspected meningitis, who were treated in Vali-Asr hospital in Birjand, Iran between 2011 and 2020. Diagnosis of bacterial meningitis was based on CSF culture and multiplex qPCR results.
Among 166 patients, conventional methods identified causative pathogens in only 10.3% of cases, while multiplex qPCR detected pathogens in eight out of 25 culture-negative cases as well. The most common pathogens identified were enterovirus, Epstein-Barr virus, herpes simplex, Haemophilus influenzae, and Streptococcus pneumoniae.
Multiplex qPCR appears to be a more effective method than conventional culture in identifying bacterial and viral pathogens that most commonly cause meningitis. The incorporation of qPCR as a routine diagnostic method for meningitis in clinical practice could significantly enhance clinical decision-making and patient care.
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