Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists · 2022
Prognosis and Remodeling after Endovascular Repair for Acute, Subacute, and Chronic Type B Aortic Dissection.
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Zhao Yang, Yao Chen, Yin Henghui, Wang Mian, Li Zilun, Wang Jingsong, Hu Zuojun, Wang Shenming, Chang Guangqi
Аннотация
PURPOSE: Thoracic endovascular aortic repair (TEVAR) for type B aortic dissection (TBAD) is already well introduced, but the best time point to perform TEVAR has not been defined. This study was to report mid- to long-term outcomes and aortic remodeling of TEVAR in patients with TBAD.
MATERIALS AND METHODS: In total, 318 TBAD patients from June 2001 to May 2016 were retrospectively reviewed. Patients were divided into 3 groups depending on interval between dissection onset to TEVAR: acute (0-7 days), subacute (8-30 days), and chronic (>30 days). Clinical and morphological data were collected and analyzed.
RESULTS: The follow-up aorta-related mortality rates in the 3 groups were 17.6%, 2.6%, 4.2%, and the proximal stent-induced new entry rates were 11.8%, 1.6%, 2.8%, respectively. Aortic remodeling was satisfied in both the acute and subacute group, but the false lumen diameter did not decrease (p>0.05) in the chronic group. Compared with the VIRTUE classification (acute, 0-14 days; subacute, 15-92 days; chronic, >92 days), mid- to long-term outcomes of patients within the first overlapped interval between the 2 classifications (8-14 days) were similar to that of subacute patients (15-30 days), while aortic remodeling of patients in the second overlapped interval (31-92 days) was similar to that of chronic patients (>92 days).
CONCLUSIONS: This study suggests that TEVAR for subacute TBAD is associated with a low long-term rate of aorta-related death. Aortic remodeling of chronic dissections is not satisfactory. Additional results suggest that the subacute phase (8-30 days) may be the optimal time to perform TEVAR for uncomplicated TBAD.
MATERIALS AND METHODS: In total, 318 TBAD patients from June 2001 to May 2016 were retrospectively reviewed. Patients were divided into 3 groups depending on interval between dissection onset to TEVAR: acute (0-7 days), subacute (8-30 days), and chronic (>30 days). Clinical and morphological data were collected and analyzed.
RESULTS: The follow-up aorta-related mortality rates in the 3 groups were 17.6%, 2.6%, 4.2%, and the proximal stent-induced new entry rates were 11.8%, 1.6%, 2.8%, respectively. Aortic remodeling was satisfied in both the acute and subacute group, but the false lumen diameter did not decrease (p>0.05) in the chronic group. Compared with the VIRTUE classification (acute, 0-14 days; subacute, 15-92 days; chronic, >92 days), mid- to long-term outcomes of patients within the first overlapped interval between the 2 classifications (8-14 days) were similar to that of subacute patients (15-30 days), while aortic remodeling of patients in the second overlapped interval (31-92 days) was similar to that of chronic patients (>92 days).
CONCLUSIONS: This study suggests that TEVAR for subacute TBAD is associated with a low long-term rate of aorta-related death. Aortic remodeling of chronic dissections is not satisfactory. Additional results suggest that the subacute phase (8-30 days) may be the optimal time to perform TEVAR for uncomplicated TBAD.