Academic radiology · 2023
Association of Ductus Diverticulum and Acute Type B Aortic Dissection.
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Chen Dong, Tian Chen, Fang Kun, Luo Mingyao, Shu Chang
Аннотация
RATIONALE AND OBJECTIVES: An anatomic association between ductus diverticulum and the primary entry tear in type B aortic dissection was observed. The aim was to reveal the association between ductus diverticulum and acute type B aortic dissection.
MATERIALS AND METHODS: A matched case-control study was conducted. Case subjects were extracted from consecutive patients with aortic dissection in the emergency department during 2019; the control subjects were extracted from consecutive patients without major aortic disease during 2019. 1:1 matching was performed for age, sex, and comorbidity, the prevalence of ductus diverticulum was compared, and conditional logistic regression was performed to reveal the association of ductus diverticulum and acute type B aortic dissection. In addition, the anatomic association between the ductus diverticulum and the primary entry tear was assessed in extracted cases, and baseline parameters were compared between dissection patients with or without ductus diverticulum.
RESULTS: 128 cases and 402 control subjects were extracted. 86 pairs were formed after matching, and the proportion of ductus diverticulum (19.8% vs 1.2%, p < 0.001) was higher in the case group. Conditional logistic regression revealed ductus diverticulum(OR = 22.04, 95%CI: 2.81-172.76, p = 0.003) as an independent predictor for acute type B aortic dissection. Besides, the ductus diverticulum has an anatomic association with the primary entry tear (OR = 4.22, 95%CI: 1.46-12.25, p = 0.008), and dissection patients with ductus diverticulum were younger (47.9 vs 54.4, p = 0.015) than dissection patients without ductus diverticulum.
CONCLUSION: Ductus diverticulum is common in acute type B aortic dissection and is independently associated with acute type B aortic dissection.
MATERIALS AND METHODS: A matched case-control study was conducted. Case subjects were extracted from consecutive patients with aortic dissection in the emergency department during 2019; the control subjects were extracted from consecutive patients without major aortic disease during 2019. 1:1 matching was performed for age, sex, and comorbidity, the prevalence of ductus diverticulum was compared, and conditional logistic regression was performed to reveal the association of ductus diverticulum and acute type B aortic dissection. In addition, the anatomic association between the ductus diverticulum and the primary entry tear was assessed in extracted cases, and baseline parameters were compared between dissection patients with or without ductus diverticulum.
RESULTS: 128 cases and 402 control subjects were extracted. 86 pairs were formed after matching, and the proportion of ductus diverticulum (19.8% vs 1.2%, p < 0.001) was higher in the case group. Conditional logistic regression revealed ductus diverticulum(OR = 22.04, 95%CI: 2.81-172.76, p = 0.003) as an independent predictor for acute type B aortic dissection. Besides, the ductus diverticulum has an anatomic association with the primary entry tear (OR = 4.22, 95%CI: 1.46-12.25, p = 0.008), and dissection patients with ductus diverticulum were younger (47.9 vs 54.4, p = 0.015) than dissection patients without ductus diverticulum.
CONCLUSION: Ductus diverticulum is common in acute type B aortic dissection and is independently associated with acute type B aortic dissection.