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Journal of Korean Neurosurgical Society 1989;18(5): 733-740.
Changes of the Vital Sign, Cerebral Perfusion Pressure and Intracranial Pressure in Variable Degree of Head Elevation.
Yang Chul Chi, Jang Ho Bae, Dong Ro Han, Eun Sig Doh, Oh Lyong Kim, Byung Yearn Choi, Soo Ho Cho
Department of Neurosurgery, Yeungnam University, College of Medicine, Taegu, Korea.
Intracranial pressure was monitored in 23 patients, either who exhibited an increase in pressure or who were considered at risk for the developement of intracranial hypertention. The intracranial pressure was measured while the patient was in the position from supine to 50 degree of head elevation. The intracranial pressure was decreased during head elevation, but 8 cases(34.8%) were not changed. The maximal cerebral perfusion pressure was seen at 50 degree of head elevation(52.2%), next 30 degree(21.7%) and 40 degree(7.4%) in orders. The changes of vital sign were not significant during head elevation. To control the intracranial pressure, the patient who were managed in the position of 30degrees and 50degrees head elevation showed most effective cerebral perfusion pressure without any significant changes of the vital sign and central venous pressure.
Key Words: Intracranial pressure; Head elevation; Maximal cerebral perfusion pressure; Vital sign changes
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