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Clinical Trial Summary

Since neurological testing during neurosurgery, such as somato-sensory evoked potentials, motor-evoked potentials, auditory evoked potentials and visual evoked potentials are well maintained their wave-form reactivity with total intravenous anaesthesia technique better than inhalational anesthetic techniques, the standard anesthesia method for neurosurgery is usually total intravenous anaesthesia technique. Nonetheless, after finishing recording the evoked potential responses during surgery, facilitation of recovery from general anesthesia is getting important, because the real neurological physical examination is much more sensitive than above electrical evoked potentials to evaluate the results of surgical operation.

We propose to evaluate the recovery parameters after conversion from total intravenous anaesthesia technique to Desflurane anesthesia during long term neurosurgery procedures. The conversion will be initiated upon completion of the neurophysiological electric evoked potentials assessment. Based on the pharmacological properties of desflurane, we hypothesize that recovery after conversion to Desflurane will be faster compared to recovery after total intravenous anaesthesia alone.


Clinical Trial Description

n/a


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment


Related Conditions & MeSH terms

  • Patients Undergoing Elective Craniotomy

NCT number NCT01985854
Study type Interventional
Source Tokyo Women's Medical University
Contact Makoto Ozaki, Ph.D
Phone 81-3-3353-8111
Email mozaki@anes.twmu.ac.jp
Status Not yet recruiting
Phase Phase 4
Start date January 2014

See also
  Status Clinical Trial Phase
Recruiting NCT06031883 - Efficacy of Adding Low Dose Ketamine or Fentanyl to Propofol-dexmedetomidine as Total Intravenous Anesthesia Phase 1/Phase 2