A Novel Control Method for Rotary Blood Pumps as Left Ventricular Assist Device Utilizing Aortic Valve State Detection

Table 3

Accuracy of partial support and full support detection with the index according to Equation (4) at various contractility, heart rates and systemic vascular resistance in cardiovascular system; S1—Sputnik 1, S2—Sputnik 2.

Contractility, %	Accuracy, %		Heart rate, bpm	Accuracy, %		Systemic vascular resistance, %	Accuracy, %
	S1	S2		S1	S2		S1	S2
−15	100	90	50	70	90	−25	90	90
−10	90	100	60	80	90	−15	90	100
−5	90	100	70	90	100	−10	100	90
Baseline	90	100	80 (baseline)	90	100	Baseline	90	100
5	90	90	90	90	100	15	100	100
10	80	90	100	100	90	25	100	100
15	90	100	110	100	100	50	90	100
Overall	90	95.7	Overall	88.6	95.7	Overall	94.3	97.1