4403
However , we suggest that a low solution concentration should be preferred for unilateral spinal anaesthesia with a hyperbaric anaesthetic solution ( if pencil - point needle and slow injection rate are employed ) , in order to minimize the risk of a localized high peak anaesthetic concentration , which might lead to a transient neurological deficit .
 neurological deficit
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 neurological deficit