Polytetrafluoroethylene Felt Inlay Neomedia and Tissue Glue Do Not Prevent Reoperation in Type A Aortic Dissection

Overview

Journal J Clin Med

Specialty General Medicine

Date 2024 Nov 27

PMID 39597807

Authors

Jules Miazza

Luca Koechlin

Brigitta Gahl

Denis Berdajs

Luise Vohringer

Friedrich Eckstein

Oliver Reuthebuch

Affiliations

Soon will be listed here.

Abstract

Type A aortic dissection repair using Polytetrafluorethylene (PTFE) felt inlay and tissue glue has been proposed as a treatment modality. It remains unclear, if this method performs superiorly to tissue glue only. Between January 2011 and December 2015, 139 patients underwent surgical repair for type A aortic dissection, and 48 patients were excluded ( = 29 after receiving a composite graft, = 18 in which no tissue glue was used, and = 1 due to missing data). In the remaining patients, proximal aortic repair was performed either using PTFE felt inlay and tissue glue or tissue glue only. We analyzed the need for repeated surgery on the aorta during follow-up as a primary endpoint. The secondary endpoint was all-cause mortality at follow-up. Inverse probability of treatment weighting was used to balance the distribution of measured baseline covariates. Sixty-six patients (73%) were treated with a tissue-glue-only approach-the Control Group. Twenty-five patients (27%) underwent proximal PTFE felt inlay and tissue glue-the Intervention Group. In the Intervention Group, 40% ( = 10) underwent reoperation due to re-dissection or pseudoaneurysm vs. 12% ( = 8) in the Control Group. The felt inlay increased the hazard of re-operation by 8.38 (1.63 to 43.0) after IPTW with death modeled as competing risk. Reoperation due to aortic complications was 10 times higher in patients treated with a combination of gluing and PTFE felt inlay vs. gluing only. These results are potentially caused by an interaction of PTFE, tissue glue, and aortic tissue.

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