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Effect of haemodialysis and residual renal function on serum levels of galectin‐3, B‐type natriuretic peptides and cardiac troponin T
Author(s) -
Roberts Matthew A,
Srivastava Piyush M,
Hare David L,
Ierino Francesco L
Publication year - 2018
Publication title -
nephrology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 61
eISSN - 1440-1797
pISSN - 1320-5358
DOI - 10.1111/nep.13179
Subject(s) - medicine , natriuretic peptide , urine , interquartile range , dialysis , renal function , biomarker , galectin 3 , urology , troponin i , cardiac function curve , troponin t , cardiology , endocrinology , heart failure , myocardial infarction , biochemistry , chemistry
Aim Levels of plasma markers of myocardial fibrosis (galectin‐3), stretch (B‐type natriuretic peptide (BNP)) and injury (high‐sensitivity troponin T (hs‐TnT)) are affected by haemodialysis, residual renal function (RRF) and cardiac pathology. We aimed to determine the association of RRF, urine output and haemodialysis itself on cardiac biomarkers in haemodialysis patients. Methods Adult haemodialysis patients underwent venesection pre‐ and post‐haemodialysis then echocardiography and inter‐dialytic urine collection to calculate RRF (mL/min per 1.73m 2 ) and urine output (mL/day). Galectin‐3, BNP‐32, NT‐ProBNP and hs‐TnT levels were compared across tertiles of echocardiographic parameters, RRF and urine output using the non‐parametric test for trend across ordered groups. Results Twenty‐three patients (17 male) with mean age 67.7±13.8 years and median (interquartile range) dialysis duration 13.6 (9.8–19.1) months participated. Galectin‐3 was substantially lower following haemodialysis: 55 ng/mL (47–70) versus 23 ng/mL (19–27, P < 0.001), but other biomarkers changed little. By increasing RRF tertile, post‐dialysis galectin‐3 was 32.6 ng/mL (23.7–36.6), 21.9 ng/mL (19.0–23.2) and 19.0 ng/mL (16.9–21.0, P = 0.001); NT‐ProBNP was 10 192 ng/L (2303–21 504), 2037 ng/L (1224–10 795) and 1481 ng/L (172–2890, P = 0.016). Results were similar for daily urine volume, but measured echocardiographic parameters were not associated with biomarker concentrations. Conclusion Plasma concentration of galectin‐3 is reduced by the haemodialysis procedure. Lower RRF and urine volume are strongly associated with higher levels of galectin‐3 and NT‐Pro‐BNP. These associations are important to the clinical interpretation of these biomarker levels in haemodialysis patients.