Author:
Kamboj Mayanka,Kazory Amir
Abstract
Left ventricular assist devices (LVADs) are increasingly used for the management of patients with advanced heart failure (AHF) due to their established salutary impact on hemodynamic status and survival benefit. Impairment in kidney function is common in the setting of AHF and is associated with adverse impact on the outcomes. Cardiorenal interactions represent a complex pattern in these patients rendering their care a challenge that needs to be addressed by multidisciplinary approaches. Following LVAD implantation, AHF patients have the potential to achieve marked improvement in kidney function due to increased cardiac output and kidney perfusion as well as reduction in renal venous congestion. However, a subset of these patients is also at risk for acute kidney injury and resurgence of kidney dysfunction on continued mechanical circulatory support. Herein, we provide an overview of various aspects of changes in kidney function pre- and post-LVAD implantation, review potential underlying pathophysiologic mechanisms, and the impact on the outcomes. Moreover, the currently available data on renal replacement therapy of LVAD-treated patients, whether in the acute setting or as a maintenance therapy, are discussed in detail along with areas of high clinical relevance where a clear gap in knowledge exists.
Subject
Nephrology,Hematology,General Medicine
Cited by
12 articles.
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