ArticleMagnetic resonance in medicine2014
Spiral tissue phase velocity mapping in a breath-hold with non-cartesian SENSE.
Article in Magnetic resonance in medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Fast and Automated Segmentation for the Three-Directional Multi-Slice Cine Myocardial Velocity Mapping.Diagnostics (Basel, Switzerland) · 2021Article
- Impact of age and cardiac disease on regional left and right ventricular myocardial motion in healthy controls and patients with repaired tetralogy of fallot.The international journal of cardiovascular imaging · 2019Article
- Article
- Typical readout durations in spiral cine DENSE yield blurred images and underestimate cardiac strains at both 3.0 T and 1.5 T.Magnetic resonance imaging · 2018Article
- Segmental biventricular analysis of myocardial function using high temporal and spatial resolution tissue phase mapping.Magma (New York, N.Y.) · 2018Article
- Reproducibility and observer variability of tissue phase mapping for the quantification of regional myocardial velocities.The international journal of cardiovascular imaging · 2016Article
- Analyzing myocardial torsion based on tissue phase mapping cardiovascular magnetic resonance.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2016Article
- Left ventricular diastolic dysfunction in pulmonary hypertension predicts functional capacity and clinical worsening: a tissue phase mapping study.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2015Article
- Distributed MRI reconstruction using Gadgetron-based cloud computing.Magnetic resonance in medicine · 2015Article
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5 authors.
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Abstract
purposeTissue phase velocity mapping (TPVM) is capable of reproducibly measuring regional myocardial velocities. However acquisition durations of navigator gated techniques are long and unpredictable while current breath-hold techniques have low temporal resolution. This study presents a spiral TPVM technique which acquires high resolution data within a clinically acceptable breath-hold duration.
methodsTen healthy volunteers are scanned using a spiral sequence with temporal resolution of 24 ms and spatial resolution of 1.7 × 1.7 mm. Retrospective cardiac gating is used to acquire data over the entire cardiac cycle. The acquisition is accelerated by factors of 2 and 3 by use of non-Cartesian SENSE implemented on the Gadgetron GPU system resulting in breath-holds of 17 and 13 heartbeats, respectively. Systolic, early diastolic, and atrial systolic global and regional longitudinal, circumferential, and radial velocities are determined.
resultsGlobal and regional velocities agree well with those previously reported. The two acceleration factors show no significant differences for any quantitative parameter and the results also closely match previously acquired higher spatial resolution navigator-gated data in the same subjects.
conclusionBy using spiral trajectories and non-Cartesian SENSE high resolution, TPVM data can be acquired within a clinically acceptable breath-hold.
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