Related Experiment Video
Updated: Mar 6, 2026
05:31
Murine Model of Thoracic Aortic Dissection Induced by Oral β-Aminopropionitrile and Subcutaneous Angiotensin II Infusion
Published on: May 16, 2025
999
Thoracic Aortic Aneurysm from Chronic Antiestrogen Therapy.
Rishi Tripathi1, Sandeep Sainathan1, Bulat A Ziganshin2
1Aortic Institute at Yale-New Haven, Yale University School of Medicine, New Haven, Connecticut.
Summary
Antiestrogen therapy for breast cancer may increase the risk of aortic aneurysm and dissection. This case highlights a potential link between long-term estrogen blockade and acute thoracic aortic deterioration.
Area of Science:
- Cardiovascular Medicine
- Oncology
- Endocrinology
Background:
- Aortic aneurysms are common, often asymptomatic vascular conditions.
- Estrogen plays a protective role in maintaining aortic wall integrity.
- Antiestrogen therapies are widely used for breast cancer treatment.
Observation:
- An elderly woman with a history of breast carcinoma received 18 years of antiestrogen therapy.
- She subsequently developed acute thoracic aortic deterioration, including enlargement and wall disruption.
Findings:
- The prolonged use of antiestrogen medication was associated with severe aortic pathology.
- This suggests a potential causal link between estrogen deprivation and aortic complications.
Implications:
- Clinicians should consider the potential cardiovascular risks associated with long-term antiestrogen therapy.
- Further research is warranted to elucidate the mechanisms linking estrogen blockade to aortic disease and to develop preventative strategies.
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