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Clinical Outcomes of the Type II Hybrid Procedure for the Repair of Extensive Aortic Arch Pathology

Overview
Journal J Thorac Dis
Specialty Pulmonary Medicine
Date 2024 Jun 17
PMID 38883664
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Abstract

Background: Type II hybrid arch repair (HAR) has been used for the repair of extensive aortic arch pathology. The aim of this study was to retrospectively analyze single-stage hybrid treatment involving replacement of the ascending aorta, arch debranching, and zone 0 stent graft deployment.

Methods: We retrospectively analyzed clinical data from 41 patients with acute and chronic aortic disease who underwent a type II hybrid arch procedure at Beijing Anzhen Hospital and Beijing Chaoyang Hospital from January 2020 to August 2022. The femoral arteries and right axillary arteries were used as cannulation sites to decrease the risk of malperfusion. During surgery, the nasopharyngeal temperature was lowered to 30 ℃. Demographic, perioperative, and late results data were retrieved and analyzed.

Results: The mean age of the patients was 54.9±11.1 years, and 31 patients (75.6%) were men. In all cases, zone 0 stent graft deployment was successful, with no in-hospital mortality. The median follow-up time was 10.5 [interquartile range (IQR), 4.8-17.6] months, and the survival rate was 94.9% during follow-up. Complications included cerebral infarction (3 patients, 7.3%) and renal failure requiring dialysis (3 patients, 7.3%). There were no occurrences of paraplegia, and no stent-related complications occurred during the follow-up period.

Conclusions: The single-stage hybrid arch procedure achieved satisfactory early results and represents a less invasive approach for treating complex diffuse aortic disease that affects the arch. This strategy is an important technical advance in the treatment of high-risk patients with extensive aortic arch pathology.

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