18761
BACKGROUND : Traditionally , the use of ketamine for patients with traumatic brain injuries is contraindicated due to the concern of increasing intracranial pressure ( ICP ) .
 Chemical: ketamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ketamine