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Overview of Pulmonary Circulation

Overview of Pulmonary Circulation

The pulmonary circulation is a vital system in our body that acts as a bridge between the respiratory and cardiovascular systems. It serves as a transport network for deoxygenated blood from the heart to the lungs and then returns oxygen-rich blood back to the heart.
The process begins with the right ventricle of the heart pumping deoxygenated blood into the pulmonary trunk. This large vessel extends about 5 centimeters before splitting into the left and right pulmonary arteries. These arteries...

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Related Experiment Video

Updated: May 4, 2026

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats

Published on: March 1, 2022

Pulmonary artery debanding.

Guido Oppido¹, Carlo Pace Napoleone, Simone Turci

¹Paediatric Cardiac Surgery Unit, S. Orsola-Malpighi Hospital, University of Bologna Medical School, Bologna, Italy;

Multimedia Manual of Cardiothoracic Surgery : MMCTS

|January 14, 2014

Summary

This summary is machine-generated.

Pulmonary artery banding is a palliative surgery for congenital heart defects. Debanding is crucial for repair, even if the defect resolves spontaneously after banding.

Keywords:

Pulmonary artery debanding Pulmonary banding Pulmonary over-circulation

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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

Published on: July 15, 2021

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Last Updated: May 4, 2026

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats

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Published on: March 1, 2022

Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding

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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

Published on: July 15, 2021

Area of Science:

Cardiovascular Surgery
Pediatric Cardiology
Congenital Heart Disease

Background:

Pulmonary artery banding (PAB) is a palliative procedure for specific congenital heart defects causing pulmonary over-circulation.
While early repair is often preferred, PAB has seen renewed interest for novel indications.

Purpose of the Study:

To review the evolving role of pulmonary artery banding.
To highlight the importance and methods of debanding procedures.

Main Methods:

Review of current literature and surgical practices regarding pulmonary artery banding and debanding.
Analysis of new indications and their impact on surgical strategy.

Main Results:

Pulmonary artery banding indications have decreased but are increasing for specific complex cases like ventricular retraining or before double-switch operations.
Debanding is a critical step, often performed with definitive repair, but can be staged or partial.
Spontaneous resolution of defects post-banding necessitates debanding.

Conclusions:

Pulmonary artery banding remains a valuable palliative tool with expanding applications in complex congenital heart disease.
Effective debanding strategies are essential for successful long-term outcomes in patients undergoing pulmonary artery banding.