Systemic blood pressure trends and antihypertensive utilization following continuous-flow left ventricular assist device implantation: an analysis of the interagency registry for mechanically assisted circulatory support

Journal of Thoracic Disease
Adham ElmouslyArash Salemi

Abstract

Elevated systemic blood pressure (SBP) has been linked to complications in Continuous-flow left ventricular assist devices (CF-LVADs), including stroke and pump thrombosis. We queried Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) to describe the response of SBP to CF-LVAD implantation and to delineate contemporary trends in antihypertensive (AH) utilization for patients with these pumps. We identified all CF-LVAD implantations in patients older than 18 years from 2006-2014, excluding those whose durations were less than 30 days. Pre-implant patient demographics and characteristics were obtained for each record. SBPs [i.e., mean arterial pressures (MAPs)], AH-use data, and vital status were tabulated, extending up to 5 years following implantation. A total of 10,329 CF-LVAD implantations were included for study. Post-implant, SBPs increased rapidly during the first 3 months but plateaued thereafter; AH utilization mirrored this trend. By 6 months, mean MAPs climbed 12.2% from 77.6 mmHg (95% CI: 77.4-77.8) pre-implantation to 87.1 mmHg (95% CI: 86.7-87.4) and patients required a mean of 1.8 AH medications (95% CI: 1.75-1.78) -a 125% increase from AH use at 1-week post-implantation (0.8 AHs/patient...Continue Reading

Citations

Oct 22, 2020·Journal of the Renin-angiotensin-aldosterone System : JRAAS·Alexandros BriasoulisPaulino Alvarez

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