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| Predictive Value of Thoracoabdominal Artery CTA Imaging Combined with Serum D-Dimer Level for Prognosis of Non-Obese Patients with Aortic Dissection |
| LIANG Zhihua, WANG Xiaolong, TAI Shengqi |
| Department of Medical Imaging,Zhengzhou People's Hospital,Zhengzhou Henan 450002 |
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Abstract 【Objective】 To analyze the predictive value of thoracoabdominal artery computed tomography angiography(CTA) imaging combined with serum D-dimer (D-D) level for the prognosis of non-obese patients with aortic dissection. 【Methods】 The clinical data of 89 non-obese patients with aortic dissection admitted to our hospital from March 2021 to February 2024 were retrospectively analyzed. According to the patients' survival status during hospitalization, they were divided into the poor prognosis group (death, n=17) and the good prognosis group (survival, n=72). The baseline data, CTA examination results and serum D-D levels were compared between the two groups. The influencing factors of prognosis in non-obese patients with aortic dissection and the predictive efficacy of CTA score combined with serum D-D level for the prognosis of these patients were analyzed. 【Results】 The proportion of Stanford type A, the proportion of CTA score of 3 and 4, systolic blood pressure and serum D-D level in the poor prognosis group were all higher than those in the good prognosis group, with statistically significant differences (P<0.05). Multivariate Logistic regression analysis showed that Stanford classification, systolic blood pressure, CTA score and serum D-D level were all influencing factors for the prognosis of non-obese patients with aortic dissection (P<0.05). ROC curve analysis showed that the area under the curve (AUC) of CTA score combined with serum D-D level in predicting the prognosis of non-obese patients with aortic dissection was 0.968, which was significantly higher than that of a single index (P<0.05). 【Conclusion】 CTA score combined with serum D-D level has high efficacy in evaluating the prognosis of non-obese patients with aortic dissection. Clinicians can predict the prognosis of patients according to their CTA score and serum D-D level, and take effective measures in a timely manner.
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Received: 31 October 2025
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2026, Vol. 43 
