An Ambulatory, Intermediate Term Left Ventricular Assist Device
- 1 July 1989
- journal article
- presidential address
- Published by Wolters Kluwer Health in Annual Northeast Bioengineering Conference
- Vol. 35 (3) , 452-454
- https://doi.org/10.1097/00002480-198907000-00091
Abstract
A portable, percutaneous, battery-operated left ventricular assist device intended for intermediate and long-term use is described. The system performed satisfactorily in vitro for periods of up to 9 months and in vivo for periods in excess of 3 months. Long-standing hypertension was observed in a 98 day implant with accompanying renal and visceral vascular changes. No evidence of peripheral thrombembolism was seen. Examination of the textured blood pump surface revealed an established biologic lining, characteristic of that previously seen in calves with some evidence of peripheral calcification.Keywords
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