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Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
458
Ascending Vertical Vein Aneurysm
Damandeep Singh1, Niraj Nirmal Pandey1, Aprateem Mukherjee1
1Department of Cardiovascular Radiology & Endovascular Interventions, All India Institute of Medical Sciences, New Delhi-110029, India.
Methodist Debakey Cardiovascular Journal
|November 24, 2025
Summary
This case report details a rare supracardiac total anomalous pulmonary venous connection in a young woman. A membranous web caused vein stenosis and aneurysm, likely due to turbulent blood flow.
Area of Science:
- Cardiology
- Medical Imaging
- Vascular Biology
Background:
- Supracardiac total anomalous pulmonary venous connection (TAPVC) is a rare congenital heart defect.
- Pulmonary venous return to the systemic circulation can lead to significant hemodynamic alterations.
- Membranous obstruction of pulmonary venous pathways is an uncommon but critical finding.
Purpose of the Study:
- To describe a unique case of supracardiac TAPVC with a specific obstructive lesion.
- To elucidate the potential mechanism behind the development of a vertical vein aneurysm in this context.
Main Methods:
- Case presentation of a 27-year-old female.
- Diagnostic imaging using computed tomography angiography (CTA).
- Analysis of CTA findings to identify anatomical abnormalities and blood flow dynamics.
Main Results:
- Computed tomography angiography revealed supracardiac TAPVC with an eccentric membranous web.
- The web was located at the junction of the common chamber and ascending vertical vein.
- Aneurysmal dilatation of the vertical vein was observed distal to the membranous web.
Conclusions:
- A thin eccentric membranous web can cause stenosis in the ascending vertical vein in supracardiac TAPVC.
- Turbulent blood flow distal to the stenosis may contribute to the development of vertical vein aneurysms.
- Accurate anatomical and hemodynamic assessment via CTA is crucial for understanding such complex vascular anomalies.
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