Effects of antihypertensive agents on arterial baroreceptor reflexes in conscious rats.
Effects of antihypertensive agents on arterial baroreceptor reflexes in conscious rats.
复制标题
抗高血压药物对清醒大鼠动脉压力感受器反射的影响。
DOI:
10.1161/01.hyp.20.5.701
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发表时间:
1992
期刊:
影响因子:
8.3
通讯作者:
T. Saruta
中科院分区:
文献类型:
--
作者:
K. Kumagai;H. Suzuki;M. Ryuzaki;H. Kumagai;M. Ichikawa;M. Jimbo;Y. Matsumura;T. Saruta
The effects of antihypertensive treatment with four currently used agents (trichlormethiazide, atenolol, nicardipine, and enalapril) on the arterial baroreceptor reflex control of renal sympathetic nerve activity and heart rate were investigated in 45 conscious spontaneously hypertensive rats and 37 age-matched Wistar-Kyoto rats. Antihypertensive agents were administered for 2 weeks beginning at 8 weeks of age to treat and prevent the development of hypertension. Blood pressure was reduced to a similar level (-13 +/- 3 mm Hg, p < 0.05) by each antihypertensive agent. Blood pressure, heart rate, and renal sympathetic nerve activity were recorded in the conscious state during phenylephrine and nitroglycerin ramp infusion. The gain in the baroreceptor reflex was determined from the maximum slope of logistic function curves. Untreated spontaneously hypertensive rats exhibited decreased sensitivity of reflex control of renal sympathetic nerve activity and heart rate (-1.78 +/- 0.07% of control/mm Hg and -2.16 +/- 0.05 beats per minute/mm Hg, respectively) compared with untreated Wistar-Kyoto rats (-3.62 +/- 0.18% of control/mm Hg, p < 0.01, and -3.46 +/- 0.11 beats per minute/mm Hg, p < 0.05, respectively).(ABSTRACT TRUNCATED AT 250 WORDS)
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影响因子:
20.1
作者:
FARACI, FM;CHOI, J;HEISTAD, DD
通讯作者:
HEISTAD, DD
DOI:
10.1152/ajpregu.1989.256.3.r694
发表时间:
1989-03
期刊:
The American journal of physiology
影响因子:
--
作者:
Y. Matsumura;E. Hasser;V. S. Bishop
通讯作者:
Y. Matsumura;E. Hasser;V. S. Bishop
DOI:
10.1161/01.hyp.13.1.63
发表时间:
1989
期刊:
Hypertension (Dallas, Tex. : 1979)
影响因子:
--
作者:
Cheng,SW;Swords,BH;Kirk,KA;Berecek,KH
通讯作者:
Berecek,KH
DOI:
10.1152/ajpheart.1985.248.6.h827
发表时间:
1985
期刊:
The American journal of physiology
影响因子:
--
作者:
Undesser,KP;Pan,JY;Lynn,MP;Bishop,VS
通讯作者:
Bishop,VS
DOI:
--
发表时间:
1985
期刊:
Hypertension (Dallas, Tex. : 1979)
影响因子:
--
作者:
Koepke,JP;DiBona,GF
通讯作者:
DiBona,GF