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.
Key Words
Abbreviations:
AD (aortic dissection), CAD (coronary artery disease), CTA (computed tomography angiography), TBAD (type B aortic dissection)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: February 06, 2023
Accepted:
January 13,
2023
Received in revised form:
January 10,
2023
Received:
December 6,
2022
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2023 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.
