Objective: Type I hybrid arch repair has become popular as a procedure that is less invasive than total arch replacement. The major advantage of this technique is that antegrade endograft implantation can be performed during the procedure, thereby avoiding the complications of introducing the endograft from the groin. The aim of this study was to assess the midterm outcomes of type I hybrid aortic arch repair with antegrade endograft implantation.
Methods: Thirty consecutive patients who underwent type I hybrid repair with antegrade endograft implantation from 2009 to 2015 were reviewed retrospectively. Patient demographics, and peri-operative and late results were collected from a prospective database and analysed.
Results: Four patients (13%) were female and the median age was 78 years. Median aneurysm size was 64 mm. Six patients (20%) developed stroke, and the 30 day mortality rate was 3%. Two patients suffered aortic dissection at the site of debranching anastomosis. The median follow up was 5.2 years. All aneurysms remained stable or had decreased in size at three years, and 82% were stable at five years. Overall survival was 79% at three years and 71% at five years. The rates of freedom from aorta related death were 86% at three and five years, respectively. During the follow up period, three additional left subclavian artery embolisations and one endograft relining due to type IIIb endoleak were required.
Conclusion: Midterm outcomes of type I hybrid aortic arch repair with antegrade endograft implantation for aortic arch aneurysms are reported. Although the incidence of peri-operative stroke was high, late sac behaviour was acceptable.
Keywords: Debranching; Hybrid arch repair; TEVAR; Zone 0.
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