National Outcomes of Elective Hybrid Arch Debranching with Endograft Exclusion Versus Total Arch Replacement Procedures: Analysis of the Society of Thoracic Surgeons Adult Cardiac Surgery Database

Overview

Journal Aorta (Stamford)

Publisher Thieme

Date 2021 Oct 4

PMID 34607380

Citations 1

Authors

Tyler Wallen

Timothy Carter

Andreas Habertheuer

Vinay Badhwar

Jeffrey P Jacobs

Babatunde Yerokun

Amelia Wallace

Karianna Milewski

Wilson Y Szeto

Joseph E Bavaria

Prashanth Vallabhajosyula

Affiliations

Soon will be listed here.

Abstract

Objective: Hybrid arch procedures (arch vessel debranching with thoracic endovascular aneurysm repair [TEVAR] coverage of arch pathology) have been presented as an alternative to total arch replacement (TAR). But multicenter-based analyses of these two procedures are needed to benchmark the field and establish areas of improvement.

Methods: The Society of Thoracic Surgeons (STS) Adult Cardiac Surgery Database from July 2014 to December 2015 was queried for elective TAR and hybrid arch procedures. Demographics and operative characteristics were compared and stepwise variable selection was used to create a risk-set used for adjustment of all multivariable models.

Results: A total of 1,011 patients met inclusion criteria, 884 underwent TAR, and 127 had hybrid arch procedures. TAR patients were younger (mean age: 62.7 ± 13.3 vs. 66.7 ± 11.9 years; = 0.001) and had less peripheral vascular disease (34.0 vs. 49.6%; < 0.001) and preoperative dialysis (1.7 vs. 4.7%; = 0.026), but similar history of stroke ( = 0.91)/cerebrovascular disease ( = 0.52). TAR patients had more concomitant procedures (60 vs. 34.6%; < 0.0001). TAR patients had lower mortality (6.7 vs. 12.6%; = 0.02), stroke (6.9 vs. 15%; = 0.002), paralysis (1.8 vs. 7.1%; = 0.002), renal failure (4.6 vs. 8.7%; = 0.045), and STS morbidity (34.2 vs. 42.5%; = 0.067). Composite mortality, stroke, and paralysis were significantly lower with TAR (11.5 vs. 25.2%; = 0.0001). After risk adjustment, analysis showed hybrid arch procedures imparted an increased odds of mortality (odds ratio [OR] = 1.91, = 0.046), stroke (OR = 2.3, = 0.005), and composite endpoint of stroke or mortality (OR = 2.31, = 0.0002).

Conclusion: TAR remains the gold standard for elective aortic arch pathologies. Despite risk adjustment, hybrid arch procedures were associated with increased risk of mortality and stroke, advocating for careful adoption of these strategies.

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