Infective Endocarditis: How Do We Currently Interpret the Duke Minor Criterion "Predisposing Heart Condition" in

Annina Elisabeth Büchi1, Mario Hoffmann2, Stephan Zbinden3

  • 1Medical Faculty, University of Bern, Bern, Switzerland.

Cardiology and Therapy
|November 27, 2016
PubMed

Insights

Clinicians show significant uncertainty regarding predisposing heart conditions for infective endocarditis (IE) diagnosis. This uncertainty impacts the application of Duke minor criteria, highlighting a need for clearer guidelines in cardiology and infectious disease.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Internal Medicine

Background:

  • The definition of a "predisposing heart condition" is crucial for both preventing infective endocarditis (IE) with antimicrobial prophylaxis and diagnosing IE using modified Duke criteria.
  • This term is specifically utilized as a Duke minor criterion in IE diagnosis.

Purpose of the Study:

  • To assess and elaborate on clinicians' knowledge and opinions regarding heart conditions that qualify as a Duke minor criterion for IE diagnosis.
  • To identify the extent of agreement among specialists on what constitutes a predisposing heart condition for IE.

Main Methods:

  • A questionnaire was developed with knowledge and opinion-based questions concerning "predisposing heart condition."
  • The survey gathered responses from 318 specialists in internal medicine, infectious diseases, and cardiology.

Main Results:

  • Responses regarding current and desired Duke minor criteria for predisposing heart conditions were highly varied.
  • The median agreement among participants on this classification was only 33%.

Conclusions:

  • The study reveals substantial uncertainty among clinicians concerning the definition of a Duke minor criterion predisposing heart condition for native valve infective endocarditis.
  • This ambiguity underscores a need for standardized definitions and improved clinical understanding to ensure accurate IE diagnosis and appropriate prophylaxis.
Abstract

Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
1.1K
Heart Valves01:16

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
13.1K
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
820
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
337
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
829
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
378