PB can assist in a hepatic coma pt by reducing involuntary tremors.

Hepatic coma is most common in patients with chronic liver disease. It occurs in 50-70% of all those with cirrhosis.

Symptoms of hepatic encephalopathy range from almost unnoticeable changes in personality, energy levels, and thinking patterns to deep coma.

Elevated arterial ammonia levels are almost always present in hepatic coma, but levels are not necessarily correlated with the severity or extent of the disease.

The cause of hepatic coma is unknown, but the condition is frequently associated with the following conditions: Acute or chronic liver disease, Gastrointestinal bleeding, Azotemia, the accumulation of nitrogen-containing compounds in the blood.