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Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...

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Related Experiment Video

Updated: Mar 1, 2026

Patch Angioplasty in the Rat Aorta or Inferior Vena Cava

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Published on: February 27, 2017

Valved patch closure of aortopulmonary window.

Sachin Talwar¹, Vikas Kumar Keshri¹, Saurabh Kumar Gupta¹

¹Cardiothoracic Center, All India Institute of Medical Sciences, New Delhi, India.

Asian Cardiovascular & Thoracic Annals

|June 9, 2017

Summary

Aortopulmonary window closure in an 8-year-old boy utilized a unidirectional valved patch. This technique offers advantages for treating this congenital heart defect.

Keywords:

Aortopulmonary septal defect Cardiac surgical procedures Heart defects Hypertension Vascular resistance congenital pulmonary

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Area of Science:

Cardiology
Pediatric Cardiac Surgery
Congenital Heart Disease

Background:

Aortopulmonary window is a rare congenital heart defect.
Surgical repair is necessary to prevent complications like heart failure and pulmonary hypertension.

Observation:

An 8-year-old boy presented with an aortopulmonary window.
The patient underwent surgical closure using a unidirectional valved patch.

Findings:

The unidirectional valved patch facilitated effective closure of the aortopulmonary window.
This method demonstrated potential advantages in managing the specific anatomy and hemodynamics of the defect.

Implications:

Unidirectional valved patch closure represents a viable surgical option for aortopulmonary windows.
Further research may explore long-term outcomes and broader applicability of this technique in pediatric cardiac surgery.