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Related Experiment Video

Updated: Apr 17, 2026

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

Minimally invasive aortic valve replacement: the Leipzig experience.

Sven Lehmann¹, Denis R Merk¹, Christian D Etz¹

¹1 Department of Cardiac Surgery, 2 Department of Cardiology, Heart Center Leipzig, University of Leipzig, Leipzig, Germany.

Annals of Cardiothoracic Surgery

|February 20, 2015

Summary

Minimally invasive aortic valve replacement (AVR) is safe and effective, with acceptable early and long-term outcomes. This routine procedure shows low complication rates in a large patient cohort.

Keywords:

Minimal invasive aortic valve replacement (AVR)long-term survival short-term survival surgical technique

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Area of Science:

Cardiothoracic Surgery
Minimally Invasive Procedures
Aortic Valve Replacement

Background:

Minimally invasive techniques are increasingly adopted in cardiothoracic surgery.
Minimally invasive aortic valve replacement (AVR) is now a standard procedure at our institution.

Purpose of the Study:

To evaluate the safety and effectiveness of minimally invasive isolated AVR.
To assess early and long-term outcomes of this procedure.

Main Methods:

Retrospective analysis of 1,714 patients undergoing minimally invasive isolated AVR from January 2003 to March 2014.
Mean follow-up of 4.7 years (99.8% complete).
Multivariate and Cox-regression analyses to identify risk factors for mortality.

Main Results:

Mean patient age was 65 years; mean ejection fraction was 60%.
Thirty-day survival was 97.8%; 10-year survival was 69.4%.
Independent risk factors for mortality included age, surgery length, female gender, preoperative MI, stroke, and liver failure. Long-term mortality predictors included age >75, dialysis, low ejection fraction, and urgent/emergency operation.

Conclusions:

Minimally invasive AVR is a safe and effective procedure.
Perioperative complications are minimal.
Acceptable early and long-term outcomes are achieved.