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Updated: May 13, 2026

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
Management of thoracoabdominal aortic aneurysms
R Chiesa1, E Civilini, G Melissano
1Department of vascular surgery, Università Vita-Salute San Raffaele, Milano.
Thoracoabdominal aortic aneurysm (TAAA) repair outcomes are improving with advanced organ protection and hybrid techniques. Despite progress, open repair still carries significant risks, prompting evaluation of hybrid approaches for high-risk patients.
Area of Science:
- Vascular Surgery
- Cardiovascular Medicine
- Surgical Innovation
Background:
- Conventional open repair of thoracoabdominal aortic aneurysms (TAAAs) involves graft replacement and branch reattachment.
- Despite advancements in organ protection and multimodal approaches over 20 years, open TAAA repair retains significant mortality and morbidity.
- Hybrid repair, combining open debranching with endovascular exclusion, is emerging but requires further evaluation.
Purpose of the Study:
- To present the management strategies and surgical outcomes for thoracoabdominal aortic aneurysms (TAAAs).
- To illustrate the application of open surgical techniques with enhanced organ protection.
- To detail the results of a hybrid approach for TAAA repair in a specialized center.
Main Methods:
- Review of open surgical repair techniques for TAAAs, emphasizing organ protection strategies.
- Description of the hybrid repair approach, including open aortic debranching and endovascular aneurysm exclusion.
- Analysis of patient outcomes, mortality, and morbidity data from a single surgical center.
Main Results:
- Open repair techniques, enhanced with organ protection, have led to improved outcomes in experienced centers.
- Hybrid repair extends TAAA treatment options to high-risk surgical candidates.
- Ongoing evaluation of hybrid repair results is necessary to fully understand its efficacy and safety.
Conclusions:
- Advanced organ protection and multimodal strategies enhance outcomes for open thoracoabdominal aortic aneurysm repair.
- Hybrid repair offers a viable alternative for high-risk patients unsuitable for conventional surgery.
- Continued research and data collection are crucial for optimizing TAAA treatment paradigms.
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