Pulmonary hypertension in hemodialysis patients: An unrecognized threat: An unrecognized threat

Mordechdi Yigla, Zaid Abassi, Shimon A. Reisner, Farid Nakhoul

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

Pulmonary hypertension (PH) is a progressive, fatal pulmonary circulatory disease that accompanies many conditions (including left to right side shunt) with compensatory elevated cardiac output. PH also complicates chronic hemodialysis (HD) therapy immediately after the creation of an arteriovenous (AV) access, even before starting HD therapy. It tends to regress after temporary AV access closure and after successful kidney transplantation. Affected patients have significantly higher cardiac output. This syndrome is associated with a statistically significant survival disadvantage. The laboratory hallmark of this syndrome is reduced basal and stimulatory nitric oxide (NO) levels. It appears that patients with end-stage renal disease (ESRD) acquire endothelial dysfunction that reduces the ability of their pulmonary vessels to accommodate the AV access-mediated elevated cardiac output, exacerbating the PH. Doppler echocardiographic screening of ESRD patients scheduled for HD therapy for the occurrence of PH is indicated. Early diagnosis enables timely intervention, currently limited to changing dialysis modality or referring for kidney transplantation.
Original languageEnglish
Pages (from-to)353-357
Number of pages5
JournalSeminars in Dialysis
Volume19
Issue number5
DOIs
StatePublished - 1 Sep 2006

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