Related Experiment Videos
Haemophilus paraphrophilus prosthetic valve endocarditis
R W Watkin1, S Lang, W A Littler
1Department of Cardiology, Queen Elizabeth Hospital, Edgbaston, Birmingham, USA.
The Journal of Infection
|March 20, 2003
Summary
This case study details a rare instance of prosthetic aortic valve endocarditis caused by Haemophilus paraphrophilus. This finding is significant as it
Area of Science:
- Infectious Diseases
- Cardiology
- Microbiology
Background:
- Prosthetic valve endocarditis (PVE) is a serious complication following cardiac valve replacement surgery.
- Haemophilus parainfluenzae is a commensal bacterium of the upper respiratory tract, rarely implicated in severe infections.
- Infective endocarditis involving prosthetic valves requires prompt diagnosis and management.
Purpose of the Study:
- To report a unique case of prosthetic aortic valve endocarditis.
- To highlight the etiological role of Haemophilus parainfluenzae in this specific clinical scenario.
- To contribute to the limited literature on Haemophilus parainfluenzae-induced prosthetic valve endocarditis.
Main Methods:
- Case report presentation.
- Review of available medical literature.
- Microbiological identification of the causative agent.
Main Results:
- A patient developed infective endocarditis on a prosthetic aortic valve.
- The causative organism was identified as Haemophilus parainfluenzae.
- This represents the first reported case of prosthetic valve endocarditis specifically involving the aortic valve caused by this bacterium.
Conclusions:
- Haemophilus parainfluenzae should be considered as a potential pathogen in prosthetic valve endocarditis, even in the absence of typical risk factors.
- This case underscores the importance of comprehensive microbiological investigation in complex cardiac infections.
- Further research is needed to understand the pathogenicity of Haemophilus parainfluenzae in prosthetic valve endocarditis.