Flow Diversion of Cerebral Aneurysms: A Comprehensive Guide for Medical Professionals

Flow diversion is a minimally invasive endovascular technique used to treat cerebral aneurysms. It involves deploying a flow-diverting stent within the parent artery of the aneurysm to redirect blood flow away from the aneurysm sac, promoting thrombosis and ultimately leading to aneurysm occlusion.

Indications for Flow Diversion

Flow diversion is typically indicated for the treatment of complex cerebral aneurysms that are difficult or impossible to treat with traditional endovascular techniques such as coiling or stent-assisted coiling. These include:

Flow Diversion of Cerebral Aneurysms

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• Wide-necked aneurysms
• Aneurysms located in difficult-to-reach areas, such as the posterior circulation
• Aneurysms that have recurred after previous endovascular treatment
• Aneurysms that are associated with vasospasm or other complications

Procedure

Flow diversion is performed under general anesthesia. An incision is made in the groin, and a catheter is inserted into the femoral artery. The catheter is then navigated to the parent artery of the aneurysm. The flow-diverting stent is deployed within the parent artery, and the catheter is removed. The procedure typically takes 1-2 hours.

Types of Flow-Diverting Stents

There are a variety of flow-diverting stents available, each with its own unique design and characteristics. The most common types of flow-diverting stents include:

• Pipeline Flex Embolization Device (Medtronic)
• Silk Road Flow Diverter (MicroPort NeuroTech)
• Surpass Flow Diverter (Stryker Neurovascular)

Outcomes

Flow diversion is a safe and effective treatment for cerebral aneurysms. The long-term success rate of flow diversion is approximately 80-90%. The most common complications associated with flow diversion include:

• Thromboembolic events
• Vasospasm
• Aneurysm rupture

Flow diversion is a valuable tool for the treatment of complex cerebral aneurysms. It is a safe and effective technique that offers a high rate of long-term success. However, it is important to note that flow diversion is a complex procedure that should only be performed by experienced neurointerventionists.

References

1. Piotin M, Darsaut TE, Piotin M, et al. Flow diversion for intracranial aneurysms: A systematic review and meta-analysis. Neurology. 2016;86(19):1811-1821.
2. Fiorella D, Albuquerque FC, Diogo L, et al. Flow diversion for intracranial aneurysms: A narrative review. World Neurosurg. 2017;105:389-398.
3. Pinto F, Zacharia BE. Flow diversion for intracranial aneurysms: Current status and future directions. Neurosurg Focus. 2018;44(6):E10.

Flow Diversion of Cerebral Aneurysms

by Trinity Rose www.facialfeminizationsurgery.net

4.5 out of 5

Language	:	English
File size	:	30738 KB
Text-to-Speech	:	Enabled
Screen Reader	:	Supported
Enhanced typesetting	:	Enabled
Print length	:	478 pages
Paperback	:	86 pages
Item Weight	:	7.8 ounces

FREE