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Comparative Study Of Anesthesia’S Effect On Baroreceptor Reflex And Sympathetic Nerve Activity In Adult Rats, John Harbin
Comparative Study Of Anesthesia’S Effect On Baroreceptor Reflex And Sympathetic Nerve Activity In Adult Rats, John Harbin
Undergraduate Honors Theses
Anesthesia affects the central nervous system and can suppress cardiovascular activity. In this study, we compared two anesthetics, urethane and alpha-chloralose, to better understand their effect on sympathetic control of blood pressure, as well as how they would affect baroreceptor response and blood pressure in adult rats. To do this we performed baroreceptor tests in adult rats under isoflurane anesthesia and then either urethane (I.V. 1.25 g/kg, n=2) or alpha-chloralose (100 mg/kg, n=2). We found that baroreceptor responses were not significantly different between urethane or alpha-chloralose anesthesia. However, significant depression of baseline blood pressure occurred under alpha-chloralose anesthesia compared with …