Myocardial bridges: Overview of diagnosis and management

Ian S Rogers1,2, Jennifer A Tremmel1, Ingela Schnittger1

  • 1Division of Cardiovascular Medicine, Stanford University, Stanford, California, USA.

Insights

Myocardial bridges, where coronary arteries enter heart muscle, can cause exertional chest pain. This review details their prevalence, symptoms, and management in children and adults.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Pediatric Cardiology

Background:

  • Myocardial bridges are segments of coronary arteries with an intramyocardial course, deviating from the typical epicardial path.
  • Often considered benign anatomical variants, myocardial bridges can manifest clinically.
  • Symptomatic myocardial bridges may present with unexplained exertional chest pain, necessitating further investigation.

Purpose of the Study:

  • To provide a comprehensive overview of symptomatic myocardial bridges.
  • To describe the prevalence, clinical presentation, classification, and diagnostic evaluation of myocardial bridges.
  • To outline current management strategies for affected children and adults.

Main Methods:

  • Review of existing literature on myocardial bridges.
  • Analysis of clinical data regarding prevalence and presentation.
  • Synthesis of diagnostic and therapeutic approaches.

Main Results:

  • Myocardial bridges occur with varying prevalence across different populations.
  • Symptomatic patients may experience exertional chest pain, particularly when the bridge causes dynamic obstruction.
  • A range of diagnostic tools can be employed for evaluation, including non-invasive and invasive methods.

Conclusions:

  • Symptomatic myocardial bridges require individualized assessment and management.
  • Medical and surgical interventions can be beneficial for patients with significant symptoms.
  • This review consolidates current knowledge to guide clinical practice for myocardial bridges.

Related Concept Videos

Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
827
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
365
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
565
Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

Myocarditis is an inflammatory condition of the myocardium requiring meticulous nursing management for optimal patient outcomes. Effective management begins with a thorough assessment of the patient's medical history, paying close attention to past infections, autoimmune disorders, travel history, and exposure to toxins or drugs. Recent viral infections and systemic diseases are particularly relevant due to their potential role in triggering myocarditis.Physical Examination and MonitoringThe...
297
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...
326
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
266