Abstract：Objective: To compare the therapeutic effects of thoracic endovascular aortic repair (TEVAR) on patients with Stanford B-type aortic dissection (AD) in different stages and the effect on aortic remodeling shape. Methods: A total of 96 patients with Stanford B-type AD treated with TEVAR were enrolled in the study, including 62 patients in the chronic phase (chronic phase group) and 34 patients in the subacute phase (subacute phase group). The clinical data, diameters of true and false lumen before and after operation, complete absorption rate of thrombus in false lumen at the stent segment, aortic remodeling rate, reoperation rate and prognosis were compared between the two groups. Results: The rates of true lumen collapse and tumor-like expansion in the chronic phase group were significantly higher than those in the subacute phase group (P<0.05); and the rate of complete thrombosis was significantly lower than the subacute phase group (P<0.05). The increase in diameter of the true lumen and reduction in diameter of the false lumen in the subacute phase group were significantly greater than those in the chronic phase group (P<0.05). The complete absorption rate of thrombus in false lumen at the stent segment after operation and aortic remodeling rate in the subacute phase group were significantly higher than those in the chronic phase group (P<0.05); and the reoperation rate was significantly lower than the chronic phase group (P<0.05). Follow-up found that the survival rate of the subacute phase group was significantly higher than that of the chronic phase group (χ2=4.810, P=0.028). Conclusion: Compared with chronic Stanford B ad, subacute phase is more stable, and the recovery of true and false lumen, thrombus complete absorption rate and aortic remodeling after TEVAR are better, which can obtain better prognosis.
李剑, 童希文, 汪坤, 廖进勇. TEVAR术对不同期Stanford B型主动脉夹层患者疗效及主动脉重塑形态的影响[J]. 河北医学, 2020, 26(10): 1685-1689.
LI Jian, TONG Xiwen, WANG Kun, et al. Effect of TEVAR on Aortic Remodeling in Patients with Stanford Type B Aortic Dissection at Different Stages. HeBei Med, 2020, 26(10): 1685-1689.
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2020, Vol. 26 
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