Cirrhosis complications Flashcards
Hepatic encephalopathy
What are the grades of HE
- Change in sleep cycle
- Disorientation, lethargic\ Flapping tremor
- Confusion\ Somnolence
- Coma
Hepatic encephalopathy
Pathophysiology of HE
- Failure of the liver to detoxify NH3
- Lead to cerebral edema, decrease O consumption and increase ROS.
- This will lead to mental disturbance.
Hepatic encephalopathy
Etiology of HE
- Non-compliance to medications.
- Using other med’s: sedative agents.
- Constipation.
- Metabolic: Hypokalemia or Hyponatremia or alkalosis
- Hypovolemia: GI bleeding or dehydration.
- TIPS Or PVT
- Infections.
Hepatic encephalopathy
How to diagnose HE?
- Clinical diagnosis.
- Ammonia level is not specific.
Hepatic encephalopathy
Management of HE
1) Treat underlying cause.
2) Maintain nutrition
2) Lactoluse.
3) Rifaximin (not first-line)
4) Polythelin glycol (PEG) Alternative option
Hepatic encephalopathy
How much protein to give in patient with HE?
- Protein 1 to 1.5 g\Kg\Day
- Energy intake 20 to 40 kcal\Kg
Hepatic encephalopathy
Mechanism of lactoluse and rifaximin
Lactoluse: Colon acidification (NH3 to NH4)
Rifaximin: decrease NH3 production by decreasing gut bacteria production
Hepatic encephalopathy
Dose of rifaximin?
550 mg BID
Hepatic encephalopathy
What is the target Bowel motion in patient with HE?
In patient: 3 to 5
Outpatient: 2 to 3
Hepatic encephalopathy
In treating HE. Goal of K?
More than 4 + avoid alkalosis
Hepatic encephalopathy
When to start rifaximin?
1) Grade 3 to 4 HE
2) Second episode of HE
Used in conjunction with lactoluse.