Related Experiment Video
Updated: Jun 9, 2026
11:20
A Rodent Model of The Ross Operation: Syngeneic Pulmonary Artery Graft Implantation in A Systemic Position
Published on: April 1, 2022
Modified Ross procedure to prevent autograft dilatation
Ross M Ungerleider1, Yoshio Ootaki, Irving Shen
1Department of Pediatric Cardiothoracic Surgery, Rainbow Babies and Children's Hospital, University Hospitals Case Medical Center, Cleveland, Ohio, USA. rmungerl@wfubmc.edu
The Annals of Thoracic Surgery
|August 25, 2010
Summary
A modified Ross procedure using a Dacron graft to encase the autograft prevents autograft dilatation, a common complication. This technique shows promising results for adults at risk of this long-term issue.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Surgical Innovation
Background:
- Autograft dilatation is a significant long-term complication following the Ross procedure.
- This complication can manifest within 1-2 years post-operation, impacting patient outcomes.
Purpose of the Study:
- To describe a modified Ross procedure designed to prevent autograft dilatation.
- To evaluate the efficacy and reproducibility of this novel surgical technique.
Main Methods:
- A modified Ross procedure was developed, involving complete encasement of the autograft within a Dacron graft (Hemashield) before implantation.
- The technique was performed on 30 patients since October 2004.
Main Results:
- No mortality was observed in the 30 patients who underwent the modified procedure.
- Follow-up assessments revealed no instances of autograft dilatation among the patients.
Conclusions:
- The modified Ross procedure, utilizing a Dacron graft to reinforce the autograft, effectively prevents autograft dilatation.
- This technique is reproducible and particularly suitable for adult patients susceptible to autograft dilatation after the Ross procedure.
