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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...

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Related Experiment Video

Updated: Jun 2, 2026

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
09:31

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Published on: January 27, 2023

Root dilation in patients with truncus arteriosus.

Waldemar F Carlo1, E Dean McKenzie, Timothy C Slesnick

  • 1Division of Pediatric Cardiology, The University of Alabama at Birmingham, Birmingham, AL, USA. wfcarlo@peds.uab.edu

Congenital Heart Disease
|May 7, 2011
PubMed
Summary
This summary is machine-generated.

Patients with truncus arteriosus commonly have aortic root dilation, with a mean z-score of 5. Most patients had significant dilation, but major complications were rare, warranting further study.

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Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Aortic Root Abnormalities

Background:

  • Aortic root dilation is frequent in congenital heart defects.
  • Data on aortic root dimensions in truncus arteriosus are lacking.

Purpose of the Study:

  • To assess aortic root dimensions in patients with truncus arteriosus.
  • To characterize the prevalence and severity of root dilation in this population.

Main Methods:

  • Retrospective review of 76 patients with truncus arteriosus.
  • Analysis of demographic, clinical, and echocardiographic data.

Main Results:

  • Mean truncal aortic root z-score was 5.1 ± 2.3.
  • 73 out of 76 patients (96%) had z-scores ≥ 2.
  • Root dilation remained stable with age and body surface area.

Conclusions:

  • Significant aortic root dilation is prevalent in truncus arteriosus.
  • Major complications and repeat surgeries were infrequent in this cohort.
  • Longitudinal studies are needed to understand long-term outcomes.