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Overview: Evaluating the efficacy of endovascular intervention in treatment of high-risk type B aortic dissection Methods: Review a series case of high-risk type B aortic dissection cases treated with endovascular intervention at Cho Ray Hospital from January 2020 to December 2022. Results: The study included a total of 30 patients with high-risk type B aortic dissection who underwent endovascular intervention meeting all sampling criteria. The average age was 53 years (26-73 years), with males accounting for 86.7%. The most common risk factor was hypertension (86.7%). Pain was the primary reason for hospital admission, with chest pain being the most frequent (80%). The most prevalent high-risk factors were false lumen diameter > 22mm (66.7%), followed by aortic diameter > 40mm (36.7%), and entry tear diameter > 10mm (33.3%). Regarding intervention characteristics, the average stent graft length was 207.3mm, with proximal landing zones predominantly in zone 1 (23.3%), zone 2 (40%), and zone 3 (36.7%). Twenty-nine patients were continuously monitored for an average of 4.3 months, with a complication rate of 10% including endoleak type Ia (6.9%) and retrograde dissection (3.4%). Aortic remodeling was evidenced by a significant reduction in false lumen size (p<0.001) Conclusion: Follow-up results show a low rate of complications and a high rate of aortic reconstruction post-intervention.
Lam et al. (Sun,) studied this question.