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Date Published: 31/07/2024
Online Published: 31/07/2024
Abstract Views: 141
Views PDF: 34
DOI: https://doi.org/10.47972/vjcts.v47i.1161
Issue
Vol. 47
Section
Research Article
How to Cite
Nguyen, T. A., Mai, V. V., & Nguyen, H. U. (2024). Early outcomes of total arch replacement in the treatment of aortic dissection. The Vietnam Journal of Cardiovascular and Thoracic Surgery, 47, 41-52. https://doi.org/10.47972/vjcts.v47i.1161

Early outcomes of total arch replacement in the treatment of aortic dissection

Thai An Nguyen1, , Van Vien Mai2, Huu Uoc Nguyen3
1 Department of Cardiac Surgery, Cho Ray Hospital
2 The 108 Military Central Hospital
3 Tam Anh Hospital

Main Article Content

Abstract

Abstract: Overview: Aortic dissection are severe pathologies with high mortality and complication rates post-surgery despite significant advancements in both diagnosis and surgical treatment. Aortic arch replacement surgery is a classic and highly effective treatment method at Cho Ray Hospital.


Objectives: Describe clinical, paraclinical characteristics, postoperative results, general complications and early hospital mortality.


Methods: Descriptive cross sectional study.


Results: 102 patients underwent aortic arch replacement surgery due to aortic dissection. Males predominated at 72.5%. The male:female ratio was 2.5:1. The average age was 56.45 ± 11.79 years. A history of hypertension was present in 81.4% of cases. Most patients with aortic dissection were admitted in an acute condition, accounting for 95%. Patients with type A aortic dissection accounted for 87.3%, with the entry tear in the ascending aorta at 27.5%. Isolated aortic arch replacement was performed in 46.1% of patients, while 53.9% underwent aortic arch replacement with frozen elephant trunk technique. 7 patients required aortic root replacement, 7 needed aortic valve surgery, and 10 required CABG. Most patients were cooled to 25 degrees C with cerebral perfusion to three branches. Ascending aorta cannulation was established in 45.2% of cases. The average cardiopulmonary bypass time was 257.7 minutes, with selective cerebral perfusion time at 115.9 minutes and lower body circulatory arrest time averaging 57.2 minutes. Postoperative neurological complications occurred in 10.8%, and the rate of renal failure requiring dialysis was 17.8%. The mortality rate was 9.6%. Longer cardiopulmonary bypass times and body temperatures above 25 degrees significantly increased the rate of postoperative renal failure requiring dialysis. Patients with postoperative renal failure requiring dialysis had a statistically significant increase in postoperative mortality rates. Aortic root intervention surgery combined with arch replacement did not affect the rate of postoperative complications. Aortic arch replacement with frozen elephant trunk technique did not affect cardiopulmonary bypass time, clamping time, or the rate of postoperative complications.


Conclusions: Total arch replacement at Cho Ray Hospital initially showed a safe and effective with acceptable mortality rate.

Article Details

Keywords

Total arch replacement, frozen elephant trunk, aortic dissection

References

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