Abstract #1513

Reducing acquisition time while maintaining spatial resolution with extended readouts and R2* modeling

Alex Cerjanic^1,2, Giang Chau Ngo^1,2, and Bradley P Sutton^1,2

¹Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, United States, ²Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, IL, United States

Single shot readouts are limited in length by field inhomogeneity and R2* relaxation. With the inclusion of a complex field map, existing field corrected reconstruction algorithms can compensate for both field inhomogeneity and R2* relaxation during extended readouts. Results for spiral acquisitions of up to 56ms in length are demonstrated on a human volunteer.

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