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Infective endocarditis in elderly patients.

Vinod K Dhawan¹

¹Charles R. Drew University of Medicine and Science, Martin Luther King, Jr. Charles R. Drew Medical Center, University of California-Los Angeles School of Medicine, Los Angeles, CA, USA. vidhawan@cdrewu.edu

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America

|February 7, 2002

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Infective endocarditis (IE) in older adults is challenging due to atypical symptoms, often delaying diagnosis and treatment. Early suspicion and aggressive diagnostics are crucial for better outcomes in elderly patients with this serious heart valve infection.

Area of Science:

Cardiology
Infectious Diseases
Geriatrics

Background:

Infective endocarditis (IE) poses significant diagnostic and therapeutic challenges in elderly populations.
Atypical presentations in older adults often result in delayed diagnosis and poorer prognoses.

Purpose of the Study:

To highlight the unique aspects of infective endocarditis in elderly patients.
To emphasize the need for a high index of suspicion and aggressive diagnostic strategies.

Main Methods:

Review of clinical presentations, risk factors, causative organisms, and affected valves in elderly IE patients.
Analysis of diagnostic challenges, particularly echocardiographic findings influenced by calcific lesions and prosthetic valves.

Main Results:

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IE is more common in elderly men, with degenerative valvular disease, mitral valve prolapse, and prosthetic valves as key risk factors.
Streptococci and staphylococci are the most common pathogens (approx. 80%).
The mitral valve is more frequently affected than the aortic valve in this demographic.

Conclusions:

Elderly patients with IE often present atypically, necessitating a heightened clinical suspicion.
An aggressive diagnostic approach is essential for timely diagnosis and effective management of IE in the elderly.