Coronary arteries in crisscross heart

Paolo Angelini1, Alberto Lopez, Roberto Lufschanowski

  • 1Department of Adult Cardiology, Texas Heart Institute at St. Luke's Episcopal Hospital, Houston, Texas 77030, USA. pangelinimd@houston.rr.com

Insights

Crisscross heart, a rare congenital anomaly, was observed in a unique case of situs inversus levocardia. This finding helps clarify typical features of crisscross ventricles and related cardiac anomalies.

Area of Science:

  • Cardiology
  • Developmental Biology
  • Medical Imaging

Background:

  • Crisscross heart, also known as superoinferior ventricles, is a complex congenital heart defect.
  • Understanding its variations is crucial for accurate diagnosis and management.
  • Situs inversus levocardia presents a unique anatomical context for studying cardiac anomalies.

Observation:

  • A rare case of "isolated" crisscross heart was identified in a 41-year-old woman with situs inversus levocardia.
  • The patient exhibited peculiar coronary artery anatomy.
  • This presentation offered a clearer view of typical crisscross ventricles.

Findings:

  • The case highlights the strong relationship between coronary artery anatomy and the myocardial mass it serves.
  • Proper ventricular septal development and alignment with semilunar valves are essential for the formation of major coronary arteries like the anterior descending artery.
  • Crisscross heart represents a spectrum of cardiac apex formation anomalies, ranging from normal to severely deviated.

Implications:

  • This case provides valuable insights into the spectrum of congenital heart anomalies, particularly concerning ventricular arrangement and coronary artery development.
  • It aids in refining the understanding and definition of crisscross heart.
  • The findings emphasize the importance of considering complex anatomical variations in congenital heart disease.

Related Concept Videos

Coronary Circulation01:21

Coronary Circulation

The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
Physiology of the Heart: The Cardiac Cycle01:18

Physiology of the Heart: The Cardiac Cycle

The cardiac cycle describes the events from one heartbeat to the next. It includes three main phases: diastole, atrial systole, and ventricular systole, all driven by changes in chamber pressures and the function of heart valves.
Diastole: The Relaxation Phase
During diastole, all four heart chambers relax. The atrioventricular (AV) valves open, and the semilunar valves close. This phase sees the lowest chamber pressures, promoting ventricular filling. Venous blood enters the heart through the...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...