Jin Ping Wang

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We examined the effect of a subthreshold infusion of serotonin on the angiotensin II pressor response in the chronically instrumented pregnant and nonpregnant guinea pig before and after administration of a prostaglandin synthesis inhibitor. Arterial blood pressure was significantly lower in the pregnant animal (p = 0.0135). An infusion of serotonin, which(More)
The purpose of the present study was to determine the effect of intravenously administered epinephrine on the maternal cardiovascular response and uterine artery blood flow velocity (UBFV) in the pregnant guinea pig. Epinephrine (0.2, 0.5, and 1.0 micrograms/kg) and lidocaine (0.4 mg/kg, with and without 0.2 micrograms/kg of epinephrine) were administered(More)
BACKGROUND AND OBJECTIVE The neural response to acute myocardial ischaemia was reported as increases in neuronal activity of spinal projecting neurons and the neurons in the parafascicular nucleus (Pf) of the thalamus. The aim of this study was to investigate electrophysiologically the response of the nociception specific neuron (NSN) in the Pf to coronary(More)
The purpose of the present study was to determine the effect of intravenously administered ephedrine upon uterine artery blood flow velocity (UBFV) in the gravid guinea pig subjected to terbutaline infusion and acute hemorrhage. Ephedrine, 1.0 mg/kg, was administered intravenously to ten chronically instrumented pregnant guinea pigs near term, before and(More)
The purpose of the present study was to assess the effects of intravenously administered vasopressors upon uterine artery blood flow velocity (UBFV) in the gravid guinea pig subjected to ritodrine infusion. Fourteen experiments were performed in 14 chronically instrumented pregnant guinea pigs near term. Immediately following a 1-h intravenous infusion of(More)
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