Related Experiment Videos
[Infective endocarditis related to pacemaker leads. A review].
1Service de Médecine Interne (Pr. J.-J. COCHETON), Hôpital Tenon, 4, rue de la Chine, 75970 Paris Cedex 20.
Annales De Medecine Interne
|December 6, 2000
Summary
Infective endocarditis, a serious pacemaker complication, often presents with vague symptoms, delaying diagnosis. Early detection and treatment involving antibiotics and material extraction are crucial for improving patient outcomes.
Area of Science:
- Cardiology
- Infectious Diseases
- Medical Device Complications
Background:
- Infective endocarditis is a rare but severe complication of permanent cardiac pacing.
- Mortality rates range from 10% to 30%, often due to diagnostic delays caused by nonspecific symptoms.
Purpose of the Study:
- To clarify the diagnosis and management of infective endocarditis on pacemaker leads.
- To review the literature for insights into causes, diagnosis, and treatment.
Main Methods:
- Conducted a Medline search of published literature on pacemaker lead endocarditis.
- Analyzed findings regarding infective sources, pathogens, diagnostic signs, and treatment strategies.
Main Results:
- Local infection is a common source, with Staphylococcus species frequently isolated.
- Pulmonary embolism and local inflammatory signs are important diagnostic indicators.
- Transesophageal echocardiography is highly sensitive (>90%) for detecting vegetations, requiring repeat examinations if initially negative.
Conclusions:
- Diagnosis requires careful attention to subtle clinical signs and advanced imaging.
- Treatment involves both prophylactic measures to prevent infection and curative strategies including antibiotics and device extraction.