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Updated: Apr 19, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Acute on chronic pulmonary autograft dissection.
David G Rabkin1, Bruce B Reid2, John R Doty2
1Department of Cardiothoracic Surgery, Loma Linda University School of Medicine, Loma Linda, CA, USA drabkin@llu.edu.
Aortic dissection after a Ross procedure can occur 10 years later. This case highlights successful reintervention using a stentless porcine bioprosthesis for pulmonary autograft dilatation.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Surgery
Background:
- The Ross procedure involves using the patient's own pulmonary valve to replace the aortic valve.
- Pulmonary autograft dilatation and dissection are known long-term complications after the Ross procedure.
- Reintervention strategies for these complications require careful consideration.
Observation:
- A patient developed combined acute and chronic dissection affecting the pulmonary autograft.
- This complication occurred 10 years following the initial Ross procedure.
- The dissection was limited exclusively to the pulmonary autograft.
Findings:
- The patient underwent successful surgical management for the pulmonary autograft dissection.
- Replacement with a stentless porcine bioprosthesis was performed.
- This approach effectively addressed the acute and chronic dissection.
Implications:
- Discusses the optimal timing for reintervention in cases of pulmonary autograft dilatation.
- Explores surgical techniques for managing aortic dissection in the context of the Ross procedure.
- Highlights the utility of stentless bioprostheses in complex aortic reconstructions.
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