History
The first reports of renal failure occurring in individuals with chronic liver diseases were from the late 19th century by Frerichs and Flint. However, the hepatorenal syndrome was first defined as acute renal failure that occurred in the setting of biliary surgery. The syndrome was soon re-associated with advanced liver disease, and, in the 1950s, was clinically defined by Sherlock, Hecker, Papper and Vessin as being associated with systemic hemodynamic abnormalities and high mortality. Hecker and Sherlock specifically identified that individuals with HRS had low urinary output, very low sodium in the urine, and no protein in the urine. Murray Epstein was the first to characterize splanchnic vasodilation and renal vasoconstriction as the key alterations in hemodynamics in patients with the syndrome. The functional nature of the renal impairment in HRS was crystallized by studies demonstrating that kidneys transplanted from patients with hepatorenal syndrome returned to function in the new host, leading to the hypothesis that hepatorenal syndrome was a systemic condition and not a renal disease. The first systematic attempt to define hepatorenal syndrome was made in 1994 by the International Ascites Club, a group of liver specialists. The more recent history of HRS has involved elucidation of the various vasoactive mediators that cause the splanchnic and renal blood flow abnormalities of the condition.
Read more about this topic: Hepatorenal Syndrome
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