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Parvimonas micra-induced prosthetic valve endocarditis: a challenging case report and literature review
Fangjie Fu1, Juelin Song2, Xuejie Li3
1Intensive Care Unit, West China Hospital, Sichuan University, Chengdu, PR China; Intensive Care Unit, West China Tianfu Hospital, Sichuan University, Chengdu, PR China.
Abstract:
Parvimonas micra, a gram-positive anaerobic bacterium, has garnered increased attention due to its role in infective endocarditis. We present a challenging prosthetic valve endocarditis caused by Parvimonas micra in a patient with a complex cardiac history involving multiple surgeries. The case highlights the difficulties in diagnosis and treatment, emphasizing the importance of advanced diagnostic techniques, including metagenomics next-generation sequencing (mNGS). Additionally, it underscores the need for heightened vigilance regarding oral symptoms and the potential risk of bacteremia in post-valvular surgery patients. This report contributes to a better understanding of Parvimonas micra-associated endocarditis and its unique characteristics.
Insights
Parvimonas micra can cause difficult prosthetic valve endocarditis, especially in patients with complex cardiac histories. Advanced diagnostics like metagenomics next-generation sequencing (mNGS) are crucial for timely diagnosis and effective treatment.
Area of Science:
- Infectious Diseases
- Cardiology
- Microbiology
Background:
- Parvimonas micra is an anaerobic bacterium increasingly linked to infective endocarditis.
- Prosthetic valve endocarditis presents diagnostic and therapeutic challenges.
- Patients with complex cardiac histories and multiple surgeries are at higher risk.
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