However, blood urea nitrogen/creatinine ratio was not related with NT pro-BNP in the study population, notwithstanding a strong trend towards higher NT pro-BNP values (i.e. higher neurohumoral activation) in LVAD than in HFrEF patients.
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Exercise gas exchange in continuous-flow left ventricular assist device recipients.
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Our data showed an inverse relationship also between peak VD/VT and peak VO 2 , but rest-to-peak changes of VD/VT in the study groups did not reach statistical significance.