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Prophylaxis to prevent infective endocarditis: to use or not to use?
Abhijeet Dhoble1, Ameeth Vedre, Sahar S Abdelmoneim
1Department of Internal Medicine, Michigan State University, East Lansing, Michigan 48824-1313, USA. Abhijeet.Dhoble@ht.msu.edu
Clinical Cardiology
|August 18, 2009
Summary
Antibiotic prophylaxis for infective endocarditis (IE) should be reconsidered, particularly for mitral valve prolapse (MVP) patients, until strong clinical evidence emerges against its use. This cost-effective strategy can prevent a potentially fatal disease.
Area of Science:
- Cardiology
- Infectious Diseases
- Public Health
Background:
- The American Heart Association (AHA) revised guidelines in 2007, limiting antimicrobial prophylaxis for infective endocarditis (IE) except for high-risk patients.
- A recent update on valvular heart diseases altered recommendations for antibiotic use in conditions like mitral valve prolapse (MVP), previously considered low-risk.
Observation:
- This article argues for the continued consideration of antibiotic prophylaxis for IE prevention, especially in MVP patients.
- Two clinical cases illustrate that IE can be fatal despite optimal treatment, highlighting the need for preventative strategies.
Findings:
- Current guidelines inadequately address the risks of IE in certain patient groups, including those with MVP.
- The clinical evidence to dispute the efficacy and cost-effectiveness of antibiotic prophylaxis is lacking.
Implications:
- Patients with MVP and other underlying heart conditions should have the option to receive antibiotic prophylaxis for IE prevention.
- Further clinical research is needed to establish definitive evidence regarding the benefits and risks of antibiotic prophylaxis in broader patient populations.
- Shared decision-making between patients and clinicians is crucial in the absence of conclusive evidence.
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