Related Experiment Video
Updated: Jul 15, 2026

Demystifying Venous Excess Ultrasound (VExUS): Image Acquisition and Interpretation
Published on: May 16, 2025
[Exclusion of venous ventricle. Evolution and challenges]
Juan Calderón-Colmenero1, Jorge L Cervantes, Samuel Ramírez Marroquín
1Servicio de Cardiología Pediátrica, Instituto Nacional de Cardiologia "Ignacio Chávez", México D.F. juanecalderon@yahoo.com.mx
Insights
The evolution of cardiovascular surgery and pediatric cardiology reveals a historical understanding of right ventricle dispensability. This concept has improved comprehension of congenital heart defects and univentricular physiology.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Medical History
Background:
- Historically, erroneous Galenic concepts dominated cardiovascular understanding.
- Scientific advancements in the 19th and 20th centuries led to a better grasp of cardiovascular anatomophysiology.
- The concept of right ventricle dispensability has been a persistent, albeit evolving, idea.
Purpose of the Study:
- To provide a historical review of the concept of right ventricle dispensability.
- To analyze the lessons learned from the evolution of this concept in cardiovascular surgery and pediatric cardiology.
- To discuss the implications for understanding congenital heart malformations and univentricular physiology.
Main Methods:
- Historical literature review.
- Analysis of key concepts and their evolution in cardiovascular surgery.
- Case study examples, including the Fontan procedure, to illustrate learned lessons.
Main Results:
- The understanding of cardiovascular anatomy and physiology has significantly progressed over centuries.
- The concept of right ventricle dispensability has been crucial in understanding hemodynamics in congenital heart disease.
- The Fontan procedure exemplifies the application of knowledge gained regarding single-ventricle physiology.
Conclusions:
- The historical perspective on right ventricle dispensability offers valuable insights into congenital heart malformations.
- Continued research is essential for a complete understanding of pulmonary vasculature and univentricular physiology.
- Lessons learned underscore the importance of evolving concepts in pediatric cardiology and cardiovascular surgery.
Abstract:
The history and evolution of the cardiovascular surgery and pediatric cardiology is fascinating. For centuries many erroneous galenic concepts about cardiovascular anatomy and physiology were sustained by physicians. At the end of the XIX century and during the XX century, the progress in science allowed for a more appropriate understanding of the anatomophysiology of the cardiovascular system, promoting the concept of dispensability of half of the heart. This concept of right ventricle dispensability has subsisted, teaching us lessons that have led to a bear understanding of the hemodinamic behavior of many cardiac congenital malformations. The cavopulmonar total bypass or Fontan procedure with its modifications is an example of this knowledge. In the present article we make a brief historical review of the concept of right ventricle dispensability, and a brief analysis of the learned lessons provided by many authors and our own experience, without forgetting that we still have a long way to fully understand the pulmonary vasculature behavior and the univentricular physiology.
More Related Videos
06:02Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens
Published on: April 18, 2013
06:29Wireless Telemetry Device Implantation in a Fontan Ovine Model for Continuous and Long-Term Hemodynamic Monitoring
Published on: May 2, 2025
Related Concept Videos
Venous Return
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system as it...
Chambers of the Heart
Deoxygenated blood from the body is received in the right...
Overview of Systemic Veins
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the middle...
Veins
Structure of Veins:
The structure of veins is specifically designed to assist in the low-pressure transportation of blood...
Anatomy of the Brain: Ventricles
Development of the Heart
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...