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Related Experiment Videos

Pulmonary autograft root replacement: mid-term results.

R C Elkins1, M M Lane, C McCue

  • 1Section of Thoracic and Cardiovascular Surgery, University of Oklahoma Health Sciences Center, Oklahoma City 73190, USA.

The Journal of Heart Valve Disease
|October 12, 1999
PubMed
Summary

The Ross operation shows excellent long-term survival and low risk of valve degeneration after pulmonary root replacement. Late complications are rare, with most patients avoiding autograft valve replacement.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Cardiac Valve Repair

Background:

  • The Ross operation, a pulmonary root replacement technique, has limited long-term data on durability and adaptation to systemic pressures.
  • Assessing the functional outcomes and systemic pressure adaptation of the autograft valve and pulmonary root is crucial.

Purpose of the Study:

  • To evaluate the long-term function and adaptation of the autograft valve and pulmonary root following the Ross operation.
  • To determine the durability and complication rates associated with this procedure.

Main Methods:

  • A review of 244 operative survivors of the Ross operation.
  • Clinical follow-up (98%) and echocardiographic assessment (93%) were performed within one year.
  • Evaluation of autograft and homograft valve function, aortic annulus, autograft root sinus, and ascending aorta diameters.

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Main Results:

  • Actuarial freedom from autograft valve degeneration was 93% at 10 years; freedom from all valve-related complications was 83% at 10 years.
  • Freedom from autograft valve replacement was high at 96% at 10 years, with excellent actuarial survival rates (86% at 10 years).
  • Aneurysmal dilation of the autograft root was rare (2 patients) and not associated with valve degeneration.

Conclusions:

  • The Ross root replacement demonstrates low risks of valve degeneration, complications, and need for autograft valve replacement at 10 years.
  • Excellent patient survival is observed, with autograft and homograft valve reoperations being the primary late complications.
  • Significant aneurysmal dilation of the pulmonary autograft root is uncommon, and new techniques aim to reduce reoperation rates.