2347
The extent of hypotension and changes in brain tissue oxygenation ( PbtO ( 2 ) ) and in cerebral blood flow were studied in a separate group of animals .
 Disease: hypotension
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hypotension