Effects of Pulsatile Frequency of Left Ventricular Assist Device (LVAD) on Coronary Perfusion: A Numerical Simulation Study

17 September 2020: Database Analysis

Yuanfei Zhu ^1ABCE , Ming Yang ^1AEG* , Yan Zhang ^2BCF* , Fan Meng ^1DEF , Tianyue Yang ^1AC , Zhiwei Fang ^1BF

DOI: 10.12659/MSM.925367

Med Sci Monit 2020; 26:e925367

Table 1 Parameter values of the lumped parameter model.

Parameters	Values	Values
	0.032 mmHg·s/ml	9.751 mmHg·s/ml
	1.2 mmHg·s/ml	24.752 mmHg·s/ml
	0.005 mmHg·s/ml	4.4 ml/mmHg
	0.005 mmHg·s/ml	0.1 ml/mmHg
	0.03 mmHg·s/ml	0.00005 ml/mmHg
	0.03 mmHg·s/ml	0.001 ml/mmHg
	1.5 mmHg·s/ml	0.08 ml/mmHg
	0.75 mmHg·s/ml	1.2 ml/mmHg
	37.5 mmHg·s/ml	0.0652 mmHg·s/ml
	0.9 PLV mmHg·s/ml	0.0005 mmHg·s/ml
– aorta resistance; – total peripheral artery resistance; – mitral valve resistance; – aortic valve resistance; – inlet valve resistance of LVAD; – outlet valve resistance of LVAD; – coronary artery resistance; – arteriolar resistance; , , , and – the intramyocardial resistances; – left atrium compliance; – blood cavity compliance of LVAD; – coronary artery compliance; – intramyocardial vessels compliance; – aorta compliance; – total peripheral artery compliance; – coronary artery inertance; – aorta inertance.