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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
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Mini-aortic surgery with percutaneous cannulation and rapid-deployment valve.

Piergiorgio Bruno1, Piero Farina1, Federico Cammertoni2

  • 1Department of Cardiovascular Sciences, Catholic University, Rome, Italy.

Asian Cardiovascular & Thoracic Annals
|June 12, 2016
PubMed
Summary

This study shows that using rapid-deployment valves with percutaneous cardioplegia and left heart venting for minimally invasive aortic valve replacement significantly reduces incision length and operative times. These advancements offer a safe and effective approach without compromising patient outcomes or valve performance.

Keywords:
Aortic valveCardiac surgical proceduresHeart valve prosthesis implantationMinimally invasive surgical proceduresSternotomy

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Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Procedures
  • Medical Device Technology

Background:

  • Minimally invasive aortic valve replacement (MIAVR) aims to reduce surgical trauma.
  • Optimizing MIAVR involves exploring novel valve technologies and delivery techniques.
  • The combined use of rapid-deployment valves, percutaneous cardioplegia, and left heart venting is an area of interest.

Purpose of the Study:

  • To evaluate the safety and efficacy of combined rapid-deployment valves, percutaneous cardioplegia delivery, and left heart venting in MIAVR.
  • To compare intraoperative times and postoperative outcomes with conventional methods.

Main Methods:

  • A propensity-matched cohort study comparing 30 patients with conventional valves (Group A) and 30 with rapid-deployment valves and percutaneous techniques (Group B).
  • Data collected included skin incision length, operative times, postoperative hospital outcomes, and 30-day echocardiographic results.
  • Statistical analysis was performed to compare outcomes between the two groups.

Main Results:

  • Group B demonstrated significantly shorter total operative time (196.0 vs. 225.1 min), cardiopulmonary bypass time (79.9 vs. 92.9 min), crossclamp time (52.3 vs. 74.9 min), and skin incision length (3.6 vs. 6.0 cm) compared to Group A (p < 0.003).
  • No significant differences were observed in postoperative hospital outcomes between the groups.
  • Echocardiographic evaluations at 30 days showed no significant differences in hemodynamic performance of the prosthetic valves.

Conclusions:

  • The combined approach using rapid-deployment valves, percutaneous cardioplegia, and left heart venting is safe and effective for MIAVR.
  • This technique significantly reduces skin incision size and intraoperative durations.
  • The combined approach does not negatively impact hospital outcomes or the hemodynamic function of the implanted valves.