The expanding role of 16s ribosomal RNA PCR in the management of patients with infective endocarditis undergoing cardiac surgery

2024

The Role of 16s rRNA PCR in Managing Infective Endocarditis During Cardiac Surgery

Sample size: 100 publication 10 minutes Evidence: high

Author Information

Author(s): Pavone Natalia, Cammertoni Federico, Calabrese Maria, Bruno Piergiorgio, Scoppettuolo Giancarlo, Lombardo Antonella, Giovannenze Francesca, Taddei Eleonora, Fiori Barbara, D’Inzeo Tiziana, Cutrone Gessica, Iannaccone Giulia, Del Zanna Niccolò, Massetti Massimo

Primary Institution: Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy

Hypothesis

Can molecular tests improve the diagnosis and management of infective endocarditis in patients undergoing cardiac surgery?

Conclusion

Molecular testing significantly improves diagnostic sensitivity and can guide antibiotic therapy in patients with infective endocarditis.

Supporting Evidence

83% of patients had positive blood cultures.
16s rRNA PCR was the only positive result in 7% of cases.
33% of patients had negative valve cultures but positive molecular tests.
16s rRNA PCR maintained sensitivity even after prolonged antibiotic therapy.

Takeaway

Doctors can use a special test called 16s rRNA PCR to find germs that cause heart infections, even when other tests don't work.

Methodology

This was a prospective, observational study involving 100 patients who underwent cardiac surgery for infective endocarditis, with data collected on various microbiological tests.