Evaluation of left ventricular diastolic function with cine magnetic resonance imaging: three-dimensional volume tracking of mitral annulus motion

Cardiac magnetic resonance (CMR) methods of assessing diastolic dysfunction remain a developing area. This study presents a novel CMR approach to quantification of diastolic dynamics, using 3D volume tracking of the mitral annulus (MA). The utility of this method is demonstrated by distinguishing diastolic MA excursion profiles between normal subjects and hypertrophic cardiomyopathy (HCM) patients. Results show that HCM hearts have slower relative MA sweep volume rates during early diastole, but higher MA sweep volume rates during atrial contraction. This technique offers further insight into ventricular filling biomechanics, and it incorporates information from both axial and longitudinal MA motions.

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.