Recurrent Staphylococcus warnerii prosthetic valve endocarditis: a case report and review

Area of Science:

• Infectious Diseases
• Cardiology
• Medical Microbiology

Background:

• Staphylococcus warneri is a coagulase-negative staphylococcus species.
• Endocarditis is an infection of the heart's inner lining, often affecting heart valves.
• Coagulase-negative staphylococcal endocarditis is less common than Staphylococcus aureus endocarditis.

Observation:

• The case involves recurrent Staphylococcus warneri endocarditis.
• The patient had a prosthetic heart valve, a known risk factor for endocarditis.
• Silicon mammoplasty was also present in the patient's medical history.

Findings:

• This report adds to the very limited number of documented Staphylococcus warneri endocarditis cases.
• Recurrence of endocarditis in this specific patient highlights potential challenges in treatment or underlying predisposing factors.
• Literature review provides context for this rare clinical presentation.

Implications:

• Increased clinical suspicion for Staphylococcus warneri endocarditis may be warranted in patients with prosthetic valves and/or implants.
• Further research into risk factors and optimal management strategies for Staphylococcus warneri endocarditis is needed.
• This case underscores the importance of considering less common pathogens in prosthetic valve endocarditis.