Hepatorenal syndrome (HRS) is a common cause of acute kidney injury (AKI) in patients with liver disease \[1\]. Increased activity and presence of vasodilators such as nitric oxide in cirrhotic patients leads to vasodilation, especially in the splanchnic circulation, resulting in hemodynamic changes that precipitate renal injury \[1\]. Patients may present with elevated serum creatinine (Cr), benign urine sediment, and low urine sodium \[1\].
Presence of cirrhosis, acute liver failure, or acute-on-chronic liver failure
An increase in serum Cr of ≥0.3 mg/dL within 48 hours or ≥50% from baseline value and/or urinary output ≤0.5 mL/kg of body weight for ≥6 hours (requires use of a urinary catheter)
No full or partial response for ≥2 days of diuretic withdrawal and volume expansion with albumin (dosed at 1 g/kg of body weight/day)
Absence of shock
1. HRS-AKI patients <18 years of age 2. All patients hospitalized between April 1st 2019 and April 1st 2023 without a diagnosis of HRS-AKI.
\- All patients \>18 years old that were hospitalized between April 1st 2019 and April 1st 2023 who either presented with HRS-AKI or developed a diagnosis of HRS during the hospital course. HRS-AKI will be defined based on the ICA criteria, described below: 1. Presence of cirrhosis, acute liver failure, or acute-on-chronic liver failure 2. An increase in serum Cr of ≥0.3 mg/dL within 48 hours or ≥50% from baseline value and/or urinary output ≤0.5 mL/kg of body weight for ≥6 hours (requires use of a urinary catheter)
Cohort
Retrospective
Hepatorenal Syndrome outcome in Patients at Methodist Health systems
Other intervention1.2.1. To perform a retrospective analysis of patients with HRS with the aim of comparing various treatment modalities such as vasoconstrictors, albumin, CRRT, Molecular Adsorbent Recirculating System (MARS), and TIPS.
Primary Outcome for HRS-AKI patients
Mortality rates, morbidities, complications, and other clinically relevant outcomes in HRS-AKI patients
post transplant mortality rates
post-transplant mortality rates HRS-AKI-associated costs
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