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Male-Female Differences in Acute Type B Aortic Dissection
Frederike Meccanici1, Carlijn G E Thijssen1,2, Robin H Heijmen3
1Department of Cardiology Erasmus University Medical Center Rotterdam Netherlands.
Journal of the American Heart Association
|December 29, 2023
Summary
This study found no sex differences in outcomes for acute type B aortic dissection (aortic dissection type B). Despite differing clinical presentations, male and female patients experienced similar survival rates and morbidity.
Area of Science:
- Cardiovascular Medicine
- Vascular Surgery
- Epidemiology
Background:
- Acute type B aortic dissection is a life-threatening cardiovascular emergency.
- Existing research on sex-based differences in type B aortic dissection is limited.
- Understanding these differences is crucial for effective patient management.
Purpose of the Study:
- To investigate male-female differences in the clinical presentation, management, and outcomes of acute type B aortic dissection.
- To identify potential disparities in morbidity and mortality between sexes.
- To inform future research and clinical practice regarding sex-specific considerations.
Main Methods:
- A retrospective cohort study included 384 patients with acute type B aortic dissection from 2007-2017 across four tertiary hospitals.
- Data were collected via patient files and questionnaires, with a median follow-up of 6.1 years.
- Statistical analyses compared clinical characteristics, treatment choices, and survival rates between male and female patients.
Main Results:
- Women presented older and with less frequent distal dissections or malperfusion compared to men.
- While absolute aortic diameters were smaller in women, indexed diameters were larger.
- No significant differences were observed in early or 5-year mortality rates, or in late reinterventions between sexes.
Conclusions:
- Despite distinct clinical profiles at presentation, acute type B aortic dissection management and outcomes (mortality, morbidity) do not differ significantly between men and women.
- Further research is needed to explore the impact of age and specific interventions on outcomes.
- These findings suggest a need for tailored approaches considering individual patient factors rather than solely sex-based generalizations.
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