Background: Hepatocyte growth factor (HGF) counteracts peritoneal fibrosis in animal models and in-vitro studies, but\nno study explored effluent HGF in peritoneal dialysis (PD) patients with ultrafiltration failure (UFF). Our aim was to assess\nthe relationship between effluent HGF with UF profile, free water transport (FWT) and small-solute transport.\nMethods: We performed 4-hour, 3.86% PET with additional UF measurement at 60 minutes in 68 PD patients.\nMTACcreatinine, FWT, small-pore ultrafiltration, and effluent HGF were quantified.\nResults: Effluent HGF negatively correlated with UF (r = ?0.80, p = 0.009) and FWT (r = ?0.69, p = 0.04). Patients with UFF\nhad higher dialysate HGF (103 pg/mL vs 77 pg/mL, p = 0.018) and, although not statistically significant, those with FWT\ncompromise had also higher dialysate HGF compared with subgroup of UFF without FWT compromise (104 pg/mL vs\n88 pg/mL, p = 0.08). FWT ? 45% without clinical UFF was documented in some patients who also had increased effluent\nHGF.\nConclusions: Dialysate HGF concentration is significantly higher among patients with UFF, specially, if FWT is impaired,\nbeing a sign of peritoneal membrane deterioration.
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