Abstract #2264

Flow measurement with time of flight (TOF) in patients undergoing carotid revascularization: A comparison with arterial spin labeling (ASL)

Zhensen Chen¹, Li Chen², Manabu Shirakawa¹, Wenjin Liu¹, Dakota Ortega¹, Jinmei Chen¹, Niranjan Balu¹, Theodore Trouard³, Thomas S Hatsukami⁴, Wei Zhou⁵, and Chun Yuan¹

¹Radiology, University of Washington, Seattle, WA, United States, ²Electrical and computer engineering, University of Washington, Seattle, WA, United States, ³Biomedical Engineering, University of Arizona, Tuscon, AZ, United States, ⁴Surgery, University of Washington, Seattle, WA, United States, ⁵Surgery, University of Arizona, Tuscon, AZ, United States

In this study, we assessed the potential of using vasculature features extracted from TOF images as surrogate markers of intracranial blood flow in patients undergoing carotid revascularization surgery and MR imaging prior to, within 48 hours after and 6 months after surgery. The intracranial vasculature features, including total volume, total length and total number of branches etc., on TOF images were extracted using a novel tool named iCafe, and then compared with arterial spin labeling (ASL) cerebral blood flow (CBF) measurement. The results show that TOF-iCafe vasculature features have similar behaviors as ASL CBF over the time points.

How to access this content:

For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.

After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.

After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.

Click here for more information on becoming a member.