Why the study?
The authors investigated a practical method using phase-contrast cine CMR to estimate peak filling rate and E/A as indicators of left ventricular diastolic function.
Does phase-contrast cine cardiovascular magnetic resonance imaging accurately estimate peak filling rate and E/A compared to SSFP cine CMR and echocardiography in patients?
Does phase-contrast cine cardiovascular magnetic resonance imaging accurately estimate peak filling rate and E/A compared to SSFP cine CMR and echocardiography in patients?
Phase-contrast cine CMR with high temporal resolution provides a convenient and acceptably accurate method for evaluating left ventricular diastolic function.
PC cine CMR may estimate LV diastolic parameters when echo is limited; leaves open prospective validation before clinical adoption.
OBJECTIVE: We investigated a practical method using phase-contrast (PC) cine cardiovascular magnetic resonance imaging to estimate peak filling rate and early/atrial velocity (E/A) as left ventricular diastolic function indicators. METHODS: Peak filling rate and E/A were estimated in 32 patients using PC imaging with high spatial or high temporal resolution and compared with those estimated using steady-state free precession cine cardiovascular magnetic resonance imaging and echocardiography. RESULTS: Peak filling rate estimated using PC imaging significantly correlated with those estimated using steady-state free precession imaging despite apparent underestimation using PC imaging with high spatial resolution. The E/A estimated using PC imaging significantly correlated with those estimated using echocardiography. CONCLUSIONS: Peak filling rate and E/A measurements using PC imaging with high temporal resolution is convenient and acceptably accurate, suggesting its potential for clinical use.
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Komi et al. (2022) studied this question.
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