vasoconstriction betydelse and definition

Exempel på vasoconstriction

• It is supposed that these improvements of clinical symptoms are based on inhibition of vasoconstriction and platelet aggregation in pulmonary circulation.

• Reduced invasion will leave the spiral arteries vasoreactive, and thus more likely to undergo spontaneous transient vasoconstriction.

• Activation of the extrinsic coagulation pathway causes additional adherence of platelets and even greater vasoconstriction.

• Traditionally phenylephrine was reserved as a second-line drug for obstetrics because of concern about potential uteroplacental vasoconstriction.

• Elevated high-density lipoprotein levels ameliorate abnormal vasoconstriction in early atherosclerosis.

• When the core temperature falls, the hypothalamus increases core heat production and causes vasoconstriction which minimizes heat transfer to the skin.

• In particular, these studies showed that large doses of vasopressors caused vasoconstriction in the uteroplacental circulation which could result in fetal hypoxia.

• First, ongoing perfusion of the placenta may cause continuous stimulation of production of vasoactive substances, which will tend to increase placental vasoconstriction.