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Updated: May 16, 2026
08:51
A New Murine Model of Endovascular Aortic Aneurysm Repair
Published on: July 7, 2013
[Anesthetic considerations for endovascular aortic repair (EVAR)]
1Department of Anesthesiology, University of Tokyo Hospital, Tokyo 113-8655.
Masui. the Japanese Journal of Anesthesiology
|December 15, 2012
Summary
Endovascular aneurysm repair (EVAR) offers a less invasive option for aortic conditions, reducing risks for high-risk patients. Thoracic endovascular aortic repair (TEVAR) requires vigilance for spinal cord ischemia, with protective strategies available.
Area of Science:
- Vascular Surgery
- Minimally Invasive Procedures
- Cardiovascular Research
Context:
- Endovascular aneurysm repair (EVAR) is an emerging alternative to open surgery for thoracic and abdominal aortic aneurysms.
- EVAR presents significant advantages over traditional open repair, including reduced invasiveness and lower perioperative risks.
Purpose:
- To highlight the benefits of EVAR, particularly for patients with compromised cardiopulmonary function or multiple comorbidities.
- To identify the risk factors associated with thoracic endovascular aortic repair (TEVAR) and the potential complication of spinal cord ischemia.
Summary:
- EVAR offers benefits such as less invasiveness, avoidance of cardiopulmonary bypass, reduced blood loss, shorter hospital stays, and decreased morbidity and mortality.
- Key benefits include suitability for high-risk patients susceptible to general anesthesia complications like stroke, myocardial infarction, renal insufficiency, infection, and ventilator dependence.
- TEVAR carries a risk of paraplegia due to spinal cord ischemia, with risk factors including prior abdominal aortic aneurysm repair, hypotension, severe thoracic atherosclerosis, iliac artery injury, and extensive graft coverage.
Impact:
- EVAR is a favorable option for high-risk surgical candidates, improving outcomes and reducing complications.
- Awareness of TEVAR-associated paraplegia risks necessitates proactive spinal cord protection strategies, such as cerebrospinal fluid drainage, in susceptible patients.
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