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The Oculocardiac Reflex And Depth Of Anesthesia Measured By Brain Wave., Robert W Arnold, Aleah N Bond, Melissa Mccall, Leif Lunoe
The Oculocardiac Reflex And Depth Of Anesthesia Measured By Brain Wave., Robert W Arnold, Aleah N Bond, Melissa Mccall, Leif Lunoe
Articles, Abstracts, and Reports
BACKGROUND: The oculocardiac reflex (OCR), bradycardia that occurs during strabismus surgery is a type of trigemino-cardiac reflex (TCR) is blocked by anticholinergics and enhanced by opioids and dexmedetomidine. Two recent studies suggest that deeper inhalational anesthesia monitored by BIS protects against OCR; we wondered if our data correlated similarly.
METHODS: In an ongoing, prospective study of OCR/TCR elicited by 10-s, 200 g square-wave traction on extraocular muscles (EOM) from 2009 to 2013, anesthetic depth was estimated in cohorts using either BIS or Narcotrend monitors. The depth of anesthesia was deliberately varied between first and second EOM tested.
RESULTS: From 1992 …