Introduction
Pulmonary hypertension (PH) is highly prevalent in patients with end-stage renal disease (ESRD) and is independently associated with increased mortality.
, The prevalence of PH within the ESRD population has been estimated to range from 8-70%; however, most of these studies relied on echocardiographic methods which have limited diagnostic utility. There is limited data on the prevalence of PH in ESRD patients utilizing invasive hemodynamics. , In PH patients without ESRD, BNP levels correlate with PAP and have been investigated as a biomarker to assist in screening patients for PH. , The relationship between BNP and PAP has not been studied in patients with ESRD. Therefore, RHC hemodynamics were used to elucidate the prevalence of PH and the correlation of BNP to PAP within the dialysis population.
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