This study aims to determine the relationship between heart rate variability and intraoperative brain relaxation conditions in patients with brain tumors.
Patients undergoing brain surgery for treatment of brain tumors will be studied to determine the relationship between heart rate variability and intraoperative brain relaxation conditions.
Study Type
OBSERVATIONAL
Enrollment
58
Heart rate variability will be assessed using ansiscope before surgery
National Institute of Mental Health and Neurosciences
Bengaluru, Karnataka, India
Brain relaxation
1. Tight Brain-the brain surface is jutting out or expanding beyond the craniotomy margins, brain pulsations are not clearly defined. 2. Brain surface at level of craniotomy margins, Brain pulsations faintly observed 3. Brain surface just below the surface of craniotomy margin. Brain pulsations well seen. 4. Brain surface well below the surface of craniotomy margin, well retracted in to the cranial cavity with good brain pulsations.Brain relaxation score will me measured only once. There is no follow up
Time frame: 2hours
Hemodynamic Measurement-Heartrate
The change in hemodynamic variable heart rate in beats per minute will be measured through the study period
Time frame: 2hours
Hemodynamic Measurement-Bloodpressure
The change in hemodynamic variable blood pressure in mmHg will be measured through the study period
Time frame: 2hours
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