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Updated: Oct 4, 2025
05:31
Murine Model of Thoracic Aortic Dissection Induced by Oral β-Aminopropionitrile and Subcutaneous Angiotensin II Infusion
Published on: May 16, 2025
360
Type A aortic dissection is more aggressive in women
Simone Gasser1, Lukas Stastny1, Markus Kofler2
1Medical University Innsbruck, University Clinic for Cardiac Surgery, Innsbruck, Austria.
Summary
Women with acute aortic dissection type A experience a more aggressive preoperative course and worse outcomes. This study highlights significant gender differences in presentation, complications, and survival rates following surgery for this condition.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Vascular Surgery
Background:
- Acute aortic dissection type A (AADA) is a life-threatening condition requiring prompt surgical intervention.
- Understanding gender-specific differences in AADA is crucial for optimizing patient care and outcomes.
Purpose of the Study:
- To evaluate gender disparities in the pre-operative and post-operative course of patients diagnosed with acute aortic dissection type A.
- To identify specific challenges and outcomes associated with AADA in female patients compared to males.
Main Methods:
- Retrospective analysis of 394 patients undergoing surgery for AADA between 2000 and 2020.
- Data collected included presenting symptoms, surgical strategies, post-operative course, and long-term follow-up via clinic visits or telephone interviews.
Main Results:
- Female patients were older (67.5 vs. 57 years) and presented with more critical conditions, including higher rates of rupture (7.9% vs. 2.2%).
- Women experienced more frequent preoperative neurological dysfunction (23% vs. 14.2%) and postoperative neurological injury (23.8% vs. 10.2%).
- Despite similar time to surgery, women had impaired 30-day and long-term survival.
Conclusions:
- Women with AADA represent an older, sicker patient population with a more aggressive disease course.
- Significant gender differences exist in AADA presentation, complications, and post-operative outcomes, particularly neurological injury and survival.
- Targeted strategies may be needed to improve outcomes for female patients with acute aortic dissection type A.
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