Abstract
BackgroundLiterature on pregabalin use in patients with heart failure is largely limited to patient case reports and cohort studies. ObjectiveThis study aimed to evaluate the effect of pregabalin initiation on diuretic requirements in patients with heart failure. MethodsA retrospective analysis of patients with heart failure who were started on pregabalin between January 1, 2014, and September 1, 2021, at the Veterans Affairs North Texas Health Care System was used. The primary objective was to determine the median change in loop diuretic dose, in furosemide dose equivalents, 6 months after pregabalin initiation. ResultsOf 58 patients analyzed, there was no statistically significant difference in the primary outcome (P = 0.162). The secondary outcomes were found to be nonstatistically significant, and there was no correlation between pregabalin dose and outcomes. ConclusionThis represents the largest analysis of diuretic dose requirements in patients with heart failure after initiation of pregabalin. Although there was no difference in the median change of diuretic dose prescribed, pregabalin should still be used with caution.
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