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Bentall Procedure: A Long-term, Single Center Experience.

Murana Giacomo1, Di Marco Luca2, Zanella Luca2

  • 1Division of Cardiac Surgery, Cardiac Surgery Department, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.

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Summary
This summary is machine-generated.

The Bentall operation shows good long-term results. Biological Bentall procedures have lower survival and higher reintervention rates compared to mechanical Bentall, though still acceptable.

Keywords:
AortaAortic rootBentallBioprosthesisFollow-upMechanical valveReintervention

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • The Bentall operation is a standard procedure for complex aortic arch and ascending aorta pathologies.
  • Long-term outcomes and reintervention rates, particularly for proximal segments, require further investigation.
  • Comparing biological versus mechanical prostheses in Bentall procedures is crucial for optimizing patient management.

Purpose of the Study:

  • To evaluate 15-year outcomes of the Bentall operation.
  • To compare the long-term efficacy and safety of biological versus mechanical Bentall prostheses.
  • To assess the risk of proximal reintervention after Bentall procedures.

Main Methods:

  • Retrospective analysis of 2000 patients undergoing Bentall procedure from 1979 to 2023.
  • Comparison of outcomes between biological (n=874) and mechanical (n=1126) Bentall groups.
  • Analysis of survival rates, reintervention rates, and associated risk factors.

Main Results:

  • No significant difference in in-hospital mortality between biological and mechanical groups.
  • Biological Bentall group showed significantly lower 10- and 15-year survival rates (57.8%, 28.6% vs 69.5%, 56.1%).
  • Biological Bentall group had a threefold higher risk of proximal reintervention at 10 and 15 years (15.2% vs 4.6%).

Conclusions:

  • The Bentall operation offers satisfactory long-term outcomes.
  • Biological Bentall prostheses are associated with worse survival and higher proximal reintervention rates compared to mechanical Bentall.
  • Despite higher reintervention rates, outcomes for the biological Bentall group remain acceptable.