Case Review

Noninvasive estimation of impaired left ventricular untwisting velocity by peak early diastolic intra-ventricular pressure gradients using vector flow mapping
Early diastolic left ventricular (LV) suction plays an important role for adequate rapid flling during early diastole.
The purpose of this study was to evaluate the value of peak ED-IVPG(early diastolic intra-ventricular pressure gradient) measurement just after aortic valve closure using VFM for noninvasive estimation of impaired LV untwisting velocity as the index of LV relaxation in the clinical setting.
The present results suggest that peak ED-IVPG just after
aortic valve closure measured by VFM may be used as noninvasive index for estimation of impaired LV untwisting
velocity in the clinical setting.
Reference
Yuki Nakajima · Takeshi Hozumi · Kazushi Takemoto · Suwako Fujita · Teruaki Wada · Manabu Kashiwagi · Kunihiro Shimamura · Yasutsugu Shiono · Akio Kuroi · Takashi Tanimoto · Takashi Kubo · Atsushi Tanaka · Takashi Akasaka, "Noninvasive estimation of impaired left ventricular untwisting velocity by peak early diastolic intra-ventricular pressure gradients using vector flow mapping", Journal of Echocardiography , 19 (2021) 166–172.
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