%0 Journal Article %T Aortic valve opening and closure: the clover dynamics %A Carlos M. G. Duran %A Emmanuel Lansac %A Hou-Sen Lim %A Isabelle Di Centa %A Khee Hiang Lim %A Nolan T. Rice %A Pouya Youssefi %A Wolfgang Goetz %A Yu Shomura %J Archive of "Annals of Cardiothoracic Surgery". %D 2019 %R 10.21037/acs.2019.05.03 %X Systolic aortic root expansion is reported to facilitate valve opening, but the precise dynamics remain unknown. A sonometric study with a high data sampling rate (200 to 800 Hz) was conducted in an acute ovine model to better understand the timing, mechanisms, and shape of aortic valve opening and closure %K Aortic valve %K aortic root %K anatomy %K physiology %K aortic valve repair %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562079/