Coronary Artery Blood Flow Imaging Using 3D Flow MRI.

ABSTRACT:

Purpose

In this work, a 3D phase contrast (PC) technique is presented, which enables flow velocity measurements in three spatial directions, simultaneously covering the proximal left (LCA) and right (RCA) coronary arteries and yielding both morphological and flow information.

Methods

Data is acquired in a single diastolic cardiac phase during free breathing using an isotropic (Δx = 1.2 mm) 3D PC sequence with respiratory gating and compressed sensing acceleration (factor 14). The reference and flow-encoded datasets are obtained from separate scans instead of one interleaved measurement, enabling inter-scan motion correction through image co-registration. The proposed method is validated in a flow phantom and its feasibility is demonstrated in 16 volunteers (8 female, 59.3 ± 

SUBMITTER: Lichthardt D 

PROVIDER: S-EPMC12746356 | biostudies-literature | 2026 Mar

REPOSITORIES: biostudies-literature