Reduced plasma noradrenaline during angiotensin II-induced acute hypertension in man
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Reduced plasma noradrenaline during angiotensin II-induced acute hypertension in man. / Henriksen, Jens Henrik Sahl; Kastrup, J; Christensen, N J.
In: Clinical Science, Vol. 68, No. 6, 1985, p. 621-4.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Reduced plasma noradrenaline during angiotensin II-induced acute hypertension in man
AU - Henriksen, Jens Henrik Sahl
AU - Kastrup, J
AU - Christensen, N J
N1 - Keywords: Acute Disease; Adult; Aged; Angiotensin II; Blood Pressure; Epinephrine; Female; Humans; Hypertension; Male; Middle Aged; Norepinephrine
PY - 1985
Y1 - 1985
N2 - 1. Plasma noradrenaline and adrenaline concentrations were measured in ten subjects before, during and after intravenous infusion of angiotensin II (ANG II) in order to determine the sympathoadrenal response of ANG II challenge in man. In five subjects ganglionic blockade was additionally performed by intravenous infusion of trimethaphan. 2. During ANG II infusion mean arterial blood pressure increased by 30% (P < 0.001), and plasma noradrenaline decreased by 25% (P < 0.001). Plasma adrenaline decreased less. 3. During ganglionic blockade plasma noradrenaline decreased significantly (P < 0.005) and similarly to the decrease obtained with ANG II infusion. 4. The results indicate that a decrease in sympathoadrenal activity occurs during ANG II-induced acute hypertension in man. This may be elicited by the arterial baroreflex, which seems to dominate any direct sympathoadrenergic facilitating effect of ANG II.
AB - 1. Plasma noradrenaline and adrenaline concentrations were measured in ten subjects before, during and after intravenous infusion of angiotensin II (ANG II) in order to determine the sympathoadrenal response of ANG II challenge in man. In five subjects ganglionic blockade was additionally performed by intravenous infusion of trimethaphan. 2. During ANG II infusion mean arterial blood pressure increased by 30% (P < 0.001), and plasma noradrenaline decreased by 25% (P < 0.001). Plasma adrenaline decreased less. 3. During ganglionic blockade plasma noradrenaline decreased significantly (P < 0.005) and similarly to the decrease obtained with ANG II infusion. 4. The results indicate that a decrease in sympathoadrenal activity occurs during ANG II-induced acute hypertension in man. This may be elicited by the arterial baroreflex, which seems to dominate any direct sympathoadrenergic facilitating effect of ANG II.
M3 - Journal article
C2 - 2485262
VL - 68
SP - 621
EP - 624
JO - Clinical Science
JF - Clinical Science
SN - 0143-5221
IS - 6
ER -
ID: 18838664