Aortic valve replacement using a polytetrafluoroethylene leaflet valve in patients with a history of the Bentall–De Bono procedure: a case series
Published 2023-03-30
Keywords
- Case Report,
- Heart Valve Prosthesis,
- Polytetrafluoroethylene,
- Transcatheter Aortic Valve Replacement
How to Cite
Copyright (c) 2023 Bazylev V.V., Voevodin A.B., Potopalskiy I.D., Karnakhin V.A., Patel M.P., Kuznetsova A.A.

This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
Objective: To analyze outcomes of 4 transcatheter aortic valve replacements using a polytetrafluoroethylene leaflet valve in patients with a history of the Bentall–De Bono procedure.
Methods: We retrospectively analyzed a series of 4 cases. From February 2019 to March 2022 in Federal Center for Cardiovascular Surgery (Penza, Russia), patients with a history of the Bentall–De Bono procedure underwent transaortic aortic valve implantation of the MedLAB-CT balloon-expandable valve under cardiopulmonary bypass and cardioplegia. Valve No. 25 was implanted in 3 patients, and 1 patient received valve No. 23.
Results: According to echocardiography, valve hemodynamic performance improved in the postoperative period: mean and peak pressure gradients were 11.5 and 24 mm Hg, respectively; the median value of effective orifice area was 1.9 cm2, while mitral regurgitation in all cases did not exceed grade 1. Median cardiopulmonary bypass and myocardial ischemia times were 59 and 31 minutes, respectively. There was no immediate and remote mortality. No complications were reported in the postoperative period.
Conclusion: The proposed replacement of the valved conduit’s compromised part after the Bentall–De Bono procedure can significantly reduce the extent of surgery, cardiopulmonary bypass and myocardial ischemia times, as well as simplify the procedure.
Received 1 December 2022. Revised 10 February 2023. Accepted 16 February 2023.
Informed consent: The patient’s informed consent to use the records for medical purposes is obtained.
Funding: The study did not have sponsorship.
Conflict of interests: The authors declare no conflict of interest.
Contribution of the authors
Literature review: V.A. Karnakhin, I.D. Potopalskiy
Drafting the article: V.V. Bazylev, A.B. Voevodin, I.D. Potopalskiy, V.A. Karnakhin
Critical revision of the article: A.A. Kuznetsova, M.P. Patel
Surgical treatment: V.V. Bazylev, A.B. Voevodin
Final approval of the version to be published: V.V. Bazylev, A.B. Voevodin, I.D. Potopalskiy, V.A. Karnakhin, M.P. Patel, A.A. Kuznetsova
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