Sir.—The article on increased intracranial pressure by Nugent et al (133:260-262, 1979) in the Journal stated that "rectal temperature was maintained at 35 °C to 36 °C without need for more profound hypothermia." This leads the reader to believe that this range is the optimal body temperature for managing a patient with increased intracranial pressure.
I believe it is essential to point out that Rosomoff1 reported the effect of body temperature on CSF pressure. He showed the following relationship between pressure and temperature: 120 mm H2O at 37 °C; 118 mm H2O at 36 °C; 125 mm H2O at 35 °C; 117 mm H2O at 34 °C; 101 mm H2O at 33 °C; 92 mm H2O at 32 °C; and 83 mm H2O at 31 °C. It can be seen that the CSF pressure
SAMSON JH. Raised Intracranial Pressure. Am J Dis Child. 1979;133(10):1081. doi:10.1001/archpedi.1979.02130100105028
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