Meeting Banner
Abstract #2720

Accurate Myocardial T1-Mapping in Arrhythmia using Saturation-Recovery during Systole at 3T

Nadja M Meßner1,2, Sebastian Weingärtner1,3,4, Johannes Budjan5, Dirk Loßnitzer6, Theano Papavassiliu2,6, Lothar R Schad1, and Frank G Zöllner1

1Computer Assisted Clinical Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany, 2DZHK (German Centre for Cardiovascular Research), partner site Mannheim, Mannheim, Germany, 3Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States, 4Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, 5Institute of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany, 61st Department of Medicine Cardiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany

In arrhythmic patients, ECG mis-triggering frequently leads to T1-quantification inaccuracy.

In this study, a heart-rate independent saturation-recovery T1-mapping method was adapted for systolic imaging at 3T by performing magnetization saturation right after the systolic imaging window and prior to R-wave detection. Estimated T1- and ECV- values during systole were (1557±53ms/ 0.21±0.03) compared to (1585±58ms/0.21±0.03) at diastole.

Our results show that SR T1-mapping might be an advantageous alternative to yield accurate T1- and ECV-values in patients with arrhythmia or reduced myocardial wall-thickness.

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.

Abstract

Keywords