Abstract
Background and Aim: Acute kidney injury (AKI) with liver transplantation (LT) is not uncommon. Impact of terlipressin infusion on AKI, hemodynamics, and plasma concentration of neutrophil gelatinase-associated lipocalin (NGAL) was studied.
Methods: Patients (n=50) were randomized (NCT02059460, USA) into two equal groups: terlipressin vs Controls. Terlipressin (1-4 mu g/kg/h) was administrated for 5 days. Intraoperative transesophageal Doppler for hemodynamic management. Renal functions, peak portal vein blood flow velocity (PPV), and hepatic artery resistive index (HARI) were recorded. Plasma NGAL (pNGAL) was measured baseline, 2 and 24 hours postreperfusion.
Results: Hepatitis C virus (HCV) was the main etiology. Age, sex, model of end-stage liver disease (MELD), and renal functions were comparable. Postoperative AKI incidence and NGAL concentrations were comparable (P>.05) between terlipressin and controls groups (44% vs 48% and 112.5 +/- 9 vs 93.1 +/- 8 ng/mL), respectively, but intraoperative NGAL in both groups increased significantly 2hours postreperfusion (P<.05). The three NGAL readings were comparable (P>.05) between AKI (n=23) and non-AKI developers (n=27). Mean arterial blood pressure (MAP) was maintained in both groups with less systemic vascular resistance (SVR) fluctuations with terlipressin. Median norepinephrine consumption was lower in terlipressin vs controls (8 vs 12mg; P=.04). The PPV and HARI were not affected by terlipressin at any stage (P>.05).
Conclusion: Postliver transplant AKI was not prevented by terlipressin use nor predicted by NGAL levels.