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Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
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Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
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Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
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Related Experiment Video

Updated: Feb 19, 2026

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Is antibiotic prophylaxis to prevent infective endocarditis worthwhile?

Mark Dayer1, Martin Thornhill2

  • 1Taunton and Somerset NHS Trust, Musgrove Park Hospital, Taunton TA1 5DA, United Kingdom.

Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy
|November 7, 2017
PubMed
Summary

Antibiotic prophylaxis (AP) is recommended to prevent infective endocarditis (IE) after procedures, but direct human evidence is limited. This review examines the historical context and current evidence for AP in preventing IE.

Keywords:
Antibiotic prophylaxisDental proceduresInfective endocarditis

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Public Health

Background:

  • Infective endocarditis (IE) is a serious condition with high morbidity and mortality.
  • Links between procedures, especially dental work, and IE have been recognized for nearly a century.
  • Antibiotic prophylaxis (AP) guidelines to prevent IE have existed for over 50 years.

Purpose of the Study:

  • To outline the historical development of antibiotic prophylaxis (AP) for infective endocarditis (IE).
  • To review the existing evidence base supporting the use of AP to prevent IE.

Main Methods:

  • Historical review of antibiotic prophylaxis (AP) recommendations for infective endocarditis (IE).
  • Analysis of the evidence supporting AP's efficacy in preventing IE.

Main Results:

  • Direct human evidence for AP preventing IE remains largely circumstantial.
  • Randomized controlled trials for AP in IE prevention are impractical due to the rarity of the condition.

Conclusions:

  • The historical use of AP for IE prevention is based on postulated links and limited evidence.
  • Further research or alternative methodologies are needed to definitively establish AP's effectiveness in preventing IE.