However, the forward stroke volume using phase-contrast MR angiography showed a trend correlation in 19 patients with nPTT by both techniques.
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Pulmonary transit time measurement by contrast-enhanced ultrasound in left ventricular dyssynchrony.
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The sentences
This observation is supported by a positive trend between the forward stroke volume by phase-contrast MR angiography and nPTT-CEUS ( Table 2 ).