Hepatorenal syndrome differential diagnosis: Difference between revisions

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==Overview==
==Overview==
Many other diseases of the kidney are associated with liver disease and must be excluded before making a diagnosis of hepatorenal syndrome. 


==Differentiating Hepatorenal Syndrome from other Diseases==
==Differentiating Hepatorenal Syndrome from other Diseases==
Many other diseases of the kidney are associated with liver disease and must be excluded before making a diagnosis of hepatorenal syndrome.  They include the following:
Many other diseases of the kidney are associated with liver disease and must be excluded before making a diagnosis of hepatorenal syndrome.  They include the following:
*[[Renal failure|Pre-renal failure]]: Pre-renal failure usually responds to treatment with intravenous fluids, resulting in reduction in serum [[creatinine]] and the excretion of sodium.
{| class="wikitable"
*[[Acute tubular necrosis]] (ATN): This can be difficult to confidently diagnose.  It may be an inability to concentrate the urine, if any is being produced. The urine sediment should be bland, microscopy may show [[hyaline cast]]s. ATN may recover with supportive treatment only or progress to [[end-stage renal failure]]. In cirrhosis, urinary sodium is not a reliable guide to the development of ATN, as [[fractional sodium excretion]] may stay below 1 percent, due to the gradual worsening of renal [[ischaemia]].
!Variables
*Other causes may include [[glomerulonephritis|glomerular disease]] secondary to [[Hepatitis B]] or [[Hepatitis C]],<ref>Han SH.  Extrahepatic manifestations of chronic hepatitis B.  ''Clin Liver Dis.'' 2004 May;8(2):403-18.  PMID 15481347</ref> drug toxicity (notably [[gentamicin]]) or [[Radiocontrast|contrast nephropathy]].
!Kidney injury associated with infection
!Prerenal acute kidney injury
!Hepatorenal syndrome
!Parenchymal renal disease
|-
|Mechanism
Causes
|Infections including SBP
|Hypovolumia due:
gastrointestinal fluid losses
 
bleeding
 
diuretic
 
nonsteroidal anti-inflammatory drug
|Splanic vasodalation due to Nitic oxide
|Aminoglycoside therapy
Radiocontrast agent
 
Sepsis
|-
|Diagnostic clue
|History of fever
Blood cultures
 
Ascetic cultures
|History of:
Bleeding
 
low blood pressure
 
Intake of NAISD
|Diagnosis of exclusion:
Liver failure + Renal failure
 
no apparent cause for the acute kidney injury
 
No improvement on removing
 
nephrotoxic agent
 
repleating fluid loss
|History of:
Infections
 
Injection of Dye
 
intake of nephrotoxic agent
|-
|
|
|
|
|
|}


==References==
==References==

Revision as of 15:30, 5 December 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sunny Kumar MD [2]

Overview

Many other diseases of the kidney are associated with liver disease and must be excluded before making a diagnosis of hepatorenal syndrome. 

Differentiating Hepatorenal Syndrome from other Diseases

Many other diseases of the kidney are associated with liver disease and must be excluded before making a diagnosis of hepatorenal syndrome. They include the following:

Variables Kidney injury associated with infection Prerenal acute kidney injury Hepatorenal syndrome Parenchymal renal disease
Mechanism

Causes

Infections including SBP Hypovolumia due:

gastrointestinal fluid losses

bleeding

diuretic

nonsteroidal anti-inflammatory drug

Splanic vasodalation due to Nitic oxide Aminoglycoside therapy

Radiocontrast agent

Sepsis

Diagnostic clue History of fever

Blood cultures

Ascetic cultures

History of:

Bleeding

low blood pressure

Intake of NAISD

Diagnosis of exclusion:

Liver failure + Renal failure

no apparent cause for the acute kidney injury

No improvement on removing

nephrotoxic agent

repleating fluid loss

History of:

Infections

Injection of Dye

intake of nephrotoxic agent

References

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