Operating parameters for continuous flow left ventricular assist devices

LVAD trade name (rotor design)	Pump speed (RPM) Usual clinical range (full range)	Pump flow (L/minute)	Pulsatility index (flow pulsatility)	Pump power (W)
HeartMate III (centrifugal)	5000 to 6000 (3000 to 9000)	4 to 6	3.5 to 5.5	4.5 to 6.5
HeartWare HVAD System (centrifugal)	2800 to 3200 (1800 to 4000)	4 to 6	2 to 4	3 to 7
HeartMate II (axial)	8000 to 10,000 (6000 to 15,000)	4 to 7	5 to 8	5 to 8

LVAD: left ventricular assist device; RPM: revolutions per minute; W: watts.

Reproduced from: Dalia AA, Cronin B, Stone ME, et al. Anesthetic Management of Patients With Continuous-Flow Left Ventricular Assist Devices Undergoing Noncardiac Surgery: An Update for Anesthesiologists. J Cardiothorac Vasc Anesth 2018; 32:1001. Table used with the permission of Elsevier Inc. All rights reserved.

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Operating parameters for continuous flow left ventricular assist devices