ArticleAmerican journal of hypertension2024
Endothelin-1, Extracellular Volume Overload, and Hemodynamics in Hemodialysis Patients.
Article in American journal of hypertension, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Low miR-223 links to major adverse cardiovascular and cerebrovascular events in end-stage renal disease through endothelial damage.BMC nephrology · 2026Article
- Interplay between volemic balance and the intestinal tract: insights on biomarkers and diagnostic tests used to assess intestinal morphofunctional barrier.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas · 2026Review
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundExtracellular volume (ECV) overload and endothelial cell dysfunction are mortality risk factors in hemodialysis (HD) patients. Endothelin-1 (ET-1), an endothelium-derived vasoconstrictive peptide, is associated with poor outcomes in HD patients. We hypothesized there would be associations between ET-1 and ECV overload in hypertensive HD patients.
methodsWe obtained pre-HD ET-1, ECV/weight (bioimpedance spectroscopy), pre-HD hemodynamics, and ambulatory blood pressure (BP) in an HD cohort. Following appropriate transformations, we conducted correlation and linear regression analyses idendifying associations between ET-1, ECV overload, total peripheral resistance index (TPRI), cardiac index (CI), and ambulatory BP.
resultsAmong 66 patients, median ET-1 was 1.93 (1.49-2.56) pg/ml. Median pre-HD ECV/weight, median TPRI, mean CI, and mean systolic ambulatory BP were 0.25 (0.22-0.30) l/kg, 3,161 (2,711-3,642) dynes × s/cm-5/m2, 2.92 (0.6) l/min/m2, and 143 (14) mm Hg, respectively. After reciprocal-transformation, ET-1 correlated with reciprocal-transformed ECV/weight (r = 0.3, P = 0.01), log-transformed TPRI (r = -0.3, P = 0.006), CI (r = 0.3, P = 0.009), and ambulatory BP (r = -0.3, P = 0.02). These associations persisted in linear regression analysis (β = 0.15, P = 0.002; β = -0.8, P = 0.002; β = 0.2, P = 0.002; β = -19, P = 0.03).
conclusionsIn hypertensive HD patients, ET-1 associates with ECV overload higher TPRI and ambulatory BP, and lower CI. Further research is necessary to determine if ECV reduction lowers ET-1 or if pharmacologic ET-1 antagonism can improve outcomes in HD patients with refractory ECV overload.
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