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Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

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Aneurysms: thoracic aortic aneurysms.

Kevin C Chun¹, Eugene S Lee²

¹Sacramento Veterans Administration Medical Center, 10535 Hospital Way, Mather, CA 10029, kevin.chun734@gmail.com.

|April 11, 2015

Summary

This summary is machine-generated.

Thoracic aortic aneurysms (TAAs) are often asymptomatic and detected incidentally. Management involves monitoring growth and repair at critical diameters, with surgical or medical options depending on location and etiology.

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Published on: March 8, 2019

Area of Science:

Cardiovascular Medicine
Vascular Surgery
Medical Imaging

Background:

Thoracic aortic aneurysms (TAAs) present diverse etiologies, including congenital defects, inherited connective tissue disorders, and degenerative changes.
TAAs can be asymptomatic, discovered incidentally, or cause symptoms due to mass effect or rupture, presenting as severe chest/back pain and potential cardiovascular collapse.

Purpose of the Study:

To review the diagnostic methods, monitoring guidelines, and treatment strategies for thoracic aortic aneurysms (TAAs).
To outline criteria for surgical intervention and discuss current therapeutic approaches for TAAs based on etiology and location.

Main Methods:

Diagnosis is confirmed using imaging modalities such as computed tomography (CT) scans and echocardiography.
Monitoring involves regular imaging to track aneurysm expansion rates (e.g., >0.5 cm/6 months for heritable, >0.5 cm/year for degenerative).

Main Results:

Surgical referral is indicated for rapid aneurysm enlargement or when diameters reach critical thresholds (5.5 cm for degenerative, 5.0 cm for heritable TAAs).
Open surgery is common for ascending aorta and aortic arch TAAs, while descending aorta TAAs may be managed medically with blood pressure control or endovascularly.

Conclusions:

Asymptomatic TAAs require vigilant monitoring and timely intervention based on established growth and diameter criteria.
Treatment strategies for TAAs vary, with endovascular procedures showing promise for improved long-term survival in certain cases, particularly for descending aortic aneurysms.