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Impact of COVID-19 on Patients Supported with a Left Ventricular Assist Device.

ABSTRACT: Patients on left ventricular assist device (LVAD) support may be susceptible to severe disease and complications from Coronavirus Disease-19 (COVID-19). The purpose of this study was to describe the clinical course of COVID-19 in LVAD patients. A retrospective review was performed at our center; 28 LVAD patients who developed COVID-19 between March 2020 and March 2021, and six patients with a prior COVID-19 infection who underwent LVAD implantation, were identified and examined. Of the 28 patients, 9 (32%) died during the study period, 5 (18%) during their index hospitalization for COVID-19. Two patients (7%) presented with suspected pump thrombosis. In a non-adjusted binary regression logistic analysis, admission to the intensive care unit (ICU) (unadjusted odds-ratio 7.6 [confidence interval 1.2-48], P=0.03), and the need for mechanical ventilation (unadjusted odds-ratio 14 [confidence interval 1.3-159], P=0.03) were associated with mortality. The six patients who previously had COVID-19 and subsequently received a LVAD were on intra-aortic balloon pump and inotropic support at time of surgery. All six experienced a complicated and prolonged post-operative course. Three patients (50%) suffered from ischemic stroke, and there was one (17%) 30-day mortality. We observed an increased risk of morbidity and mortality in LVAD patients with COVID-19.

SUBMITTER: Zakrzewski J

PROVIDER: S-EPMC8555883 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:AimsPercutaneous left ventricular assist devices (pVADs) are used to haemodynamically stabilize patients with cardiogenic shock (CS) caused by acute myocardial infarction (AMI). One out of every two patients has a non-ischaemic cause of CS, and these patients differ profoundly from patients with AMI-related CS. We assessed the usefulness of pVAD support for patients with non-ischaemic CS.Methods and resultsWe analysed 106 patients with CS and Impella® support between 2015 and 2018. CS was non-ischaemic in 36 patients and AMI-related in 70 patients. Compared with the AMI group, those in the non-ischaemic group were significantly younger [median age 62 (50.8, 70.8) years vs. 68 (58.0, 75.5) years, P = 0.007] and had more patients with severely reduced left ventricular function (94% vs. 79%, P = 0.035) and worse glomerular filtration rate [45 (27, 57) mL/min vs. 60 (44, 78) mL/min]. Propensity score matching yielded 31 patients with non-ischaemic CS and 31 patients with AMI-related CS, without a difference in baseline laboratory values or comorbidities. In both groups, pVAD support was performed along with haemodynamic stabilization, reduction of catecholamines and normalization of lactate levels. In 7 days, systolic blood pressure increased from 91 (80, 101) mmHg at baseline to 100 (100, 120) mmHg in the non-ischaemic CS group (P = 0.001) and 89 (80, 100) mmHg at baseline to 112 (100, 128) mmHg in the AMI-related CS group (P = 0.001). Moreover, in 7 days, the need of catecholamines (calculated as vasoactive-inotropic score) decreased from 32.0 (11.1, 47.0) at baseline to 5.3 (0, 16.1) in the non-ischaemic group (P = 0.001) and from 35.2 (18.11, 67.0) to zero (0, 0) in the AMI-related CS group (P = 0.001). Lactate level decreased from 3.8 (2.8, 5.9) mmol/L at baseline to 1.0 (0.8, 2.1) mmol/L (P = 0.001) in the non-ischaemic CS group and from 3.8 (2.6, 6.5) mmol/L to 1.2 (1.0, 2.0) mmol/L in the AMI-related group (P = 0.001). In the non-ischaemic CS group, eight patients (25.8%) were upgraded to veno-arterial extracorporeal membrane oxygenation (VA-ECMO) or long-term mechanical circulatory support. Two of these upgraded patients received heart transplantation. In the AMI group, eight patients (25.8%) were upgraded to VA-ECMO or long-term mechanical circulatory support. Ninety-day survival did not significantly differ between the groups (non-ischaemic CS group 48.4%, AMI-related CS group 45.2%, P = 0.799).ConclusionspVAD support is useful for haemodynamic stabilization of patients with non-ischaemic CS and is valuable as a bridge to patients' recovery or long-term left ventricular support and heart transplantation.

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Impact of COVID-19 on Patients Supported with a Left Ventricular Assist Device.

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