Hepatic venular pressures of rats, dogs, and rabbits.
Hepatic venular pressures of rats, dogs, and rabbits.
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大鼠、狗和兔子的肝小静脉压力。
DOI:
10.1152/ajpgi.1991.261.3.g539
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发表时间:
1991
期刊:
影响因子:
--
通讯作者:
Rothe,CF
中科院分区:
文献类型:
--
作者:
Bohlen,HG;Maass-Moreno,R;Rothe,CF
We tested the hypotheses that the hepatic venule pressures (Phv), just downstream from the hepatic sinusoids, are closely similar (less than 2 mmHg) either to the portal venous pressure (Ppv), indicating a high hepatic venous resistance, or to the inferior vena cava (Pivc) pressure, indicating a high portal-sinusoidal venous resistance, as reported by previous investigators. A micropipette servo-null pressure measurement technique was used with rats, dogs, and rabbits. Phv, referred to the anatomic level of the vena cava, averaged 5.1 +/- 1.0, 6.4 +/- 1.1, and 5.4 +/- 1.0 (SD) mmHg in the rats, puppies, and rabbits, respectively. Ppv averaged 8.0 +/- 1.4, 10.8 +/- 2.2, and 7.4 +/- 1.5 mmHg, respectively. Norepinephrine infusion into the portal vein (1-5 micrograms.min-1.kg-1) caused Ppv to increase and the portal venous flow to decrease but did not significantly affect Phv. The hepatic venous circuit contributed 44 +/- 17% (rats) and 31 +/- 26% (dogs) of the total liver venous vascular resistance under control conditions. We conclude that the portal and sinusoidal vasculatures are the dominant, but not exclusive, resistance sites of the liver venous vasculature both at rest and during norepinephrine-induced vasoconstriction.
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DOI:
10.1085/jgp.79.3.437
发表时间:
1982-03
期刊:
The Journal of general physiology
影响因子:
--
作者:
Peterson JW 3rd
通讯作者:
Peterson JW 3rd
影响因子:
7.3
作者:
H. Karaki;N. Satake;S. Shibata
通讯作者:
H. Karaki;N. Satake;S. Shibata
影响因子:
20.1
作者:
HERLIHY, JT;MURPHY, RA
通讯作者:
MURPHY, RA
影响因子:
6.1
作者:
J. Hart
通讯作者:
J. Hart
DOI:
--
发表时间:
1984
期刊:
Biochimica et Biophysica Acta
影响因子:
--
作者:
J. Haeberle;J. Hott;D. Hathaway
通讯作者:
D. Hathaway