Tricuspid Anteroposterior Patch Repair: Optimization of Patch Geometry in an Ex Vivo Model.

Emily L Larson, Hannah Rando, Emily Rodriguez, Rachael Quinn, Zachary Darby, James S Gammie

Abstract read

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Article in Annals of thoracic surgery short reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Emily L LarsonDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.

Hannah RandoDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.

Emily RodriguezDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.

Rachael QuinnDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.

Zachary DarbyDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.

James S GammieDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Tricuspid anteroposterior patch (TRAPP) repair aims to address shortcomings of traditional annuloplasty in functional tricuspid regurgitation by selectively enlarging and translocating the anterior and posterior leaflets, but optimal patch width has not been identified. Methods: An ex vivo model of the tricuspid valve was established in fresh porcine hearts by pneumatic pressurization of the ventricles. TRAPP repair was performed with patches of varying width (group 1, 1.0 cm; group 2, 1.5 cm; group 3, 2.0 cm). A 3-dimensional structured light scanner was used to image the topography of the tricuspid valve before and after TRAPP repair, and measurements were compared. Results: Coaptation length increased with TRAPP repair in all groups (group 1, 44% [ Conclusions: Optimal patch size for TRAPP repair is 1.5 cm. This patch size maximally increased coaptation length but avoided abnormal systolic leaflet geometry (bulging) seen with the larger patch.

Identifiers

PMID39790146

DOI10.1016/j.atssr.2023.12.002

PMCPMC11708490

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.