Endocarditis caused by Staphylococcus warneri on a normal aortic valve following vasectomy

Area of Science:

• Infectious Diseases
• Cardiology
• Microbiology

Background:

• Endocarditis is an infection of the heart lining or valves.
• Coagulase-negative staphylococci are typically associated with prosthetic device infections or immunocompromised patients.
• Staphylococcus warneri is a recently identified bacterial species.

Observation:

• A previously healthy 32-year-old male developed endocarditis requiring valve replacement.
• The patient had undergone a vasectomy procedure shortly before symptom onset.
• No pre-existing valvular heart disease was identified.

Findings:

• The endocarditis was caused by Staphylococcus warneri, a coagulase-negative staphylococcus.
• This represents the first reported case of endocarditis caused by S. warneri in a human.
• This is also the first documented instance of endocarditis as a complication of vasectomy.

Implications:

• Vasectomy may present a risk for rare bacterial endocarditis, even in healthy individuals.
• Staphylococcus warneri should be considered in the differential diagnosis of endocarditis, particularly post-vasectomy.
• Further research is needed to understand the mechanism of S. warneri endocarditis following vasectomy.