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Aortic Regurgitation I: Introduction

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IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...

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Related Experiment Video

Updated: Aug 14, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

Matched comparison between external aortic root support and valve-sparing root replacement.

Lucas Van Hoof¹, Marie Lamberigts¹, Dries Noé¹

¹Cardiac Surgery, KU Leuven University Hospitals Leuven, Leuven, Belgium.

Heart (British Cardiac Society)

|January 17, 2023

Summary

This summary is machine-generated.

Personalised external aortic root support (PEARS) and valve-sparing root replacement (VSRR) show similar survival and reintervention rates for aortic root aneurysms. Both surgical techniques offer favorable mid-term outcomes for patients with connective tissue disease.

Keywords:

Aortic Aneurysm Aortic Valve Insufficiency Marfan Syndrome

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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement

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Published on: March 26, 2018

Area of Science:

Cardiovascular Surgery
Aortic Surgery
Aortic Aneurysm Repair

Background:

Aortic root aneurysms in patients with connective tissue disease pose significant surgical challenges.
Valve-sparing root replacement (VSRR) and personalised external aortic root support (PEARS) are surgical options, but direct comparisons are complex due to differing indications and techniques.

Purpose of the Study:

To compare the outcomes of PEARS and VSRR in patients with syndromic aortic root aneurysms using propensity score matching.
To evaluate survival, freedom from reintervention, and preservation of aortic regurgitation status between the two surgical approaches.

Main Methods:

A propensity score (PS) matched analysis was conducted on patients with connective tissue disease undergoing elective surgery for aortic root aneurysm (<60 mm) with mild aortic regurgitation (<1/4).
Eighty patients were matched in each cohort (PEARS and VSRR).
Survival, freedom from reintervention, and freedom from significant aortic regurgitation (≥2/4) were assessed using Kaplan-Meier analysis.

Main Results:

At a median follow-up of 25 months (PEARS) and 55 months (VSRR), 5-year survival was similar (98% for PEARS vs. 99% for VSRR, p=0.99).
There were no significant differences in freedom from valve or ascending aortic/arch reintervention between the matched groups.
Freedom from significant aortic regurgitation (≥2/4) at 5 years was comparable (97% for PEARS vs. 92% for VSRR, p=0.55). PEARS had a higher rate of reintervention for coronary issues (4.4%) with one death (0.6%), while VSRR had 7% reinterventions for bleeding.

Conclusions:

Both VSRR and PEARS provide favorable mid-term outcomes, including survival, freedom from reintervention, and preservation of valve function.
The choice between VSRR and PEARS may depend on the specific disease stage of the patient.
The study's retrospective nature and differing follow-up durations are acknowledged limitations.