A narrowing of any blood vessel, especially the arterioles and the veins in the blood reservoirs of the skin and the abdominal viscera. Also: Vasoconstrictor, Vasoconstrictors

	Cigarette Smoke Damage The Condition "...This is mediated through smoking induced atherosclerosis and vasoconstriction..." Eclampsia / Preeclampsia The Condition "...Abnormal prostaglandin synthesis may be the pivotal defect causing increased peripheral vascular resistance, severe vasoconstriction, endothelial injury and secondary hypertension..." Hyperbaric Oxygen As A Treatment "...The effects of Hyperbaric Treatments on the cardiovascular system include decreased heart rate, decreased cardiac output, possible slight increase in blood pressure and arterial vasoconstriction after load increases..." L-Arginine As A Treatment "...It is a substance produced by one's own blood vessels that keeps the blood vessel open (vasodilatation) rather than spastically closed (vasoconstriction), dilating the coronary and other arteries..." Pregnancy-Related Issues The Condition "...This can be attributed to several factors such as the vasoconstriction of placenta blood flow by nicotine, elevated fetal carboxyhemoglobin and catecholamine levels, fetal tissue hypoxia, reduced delivery of nutrients to the fetus, and increased heart..." Prostaglandin Related Topic "Any of a class of physiologically active substances present in many tissues, with effects such as vasodilation, vasoconstriction, stimulation of the smooth muscles of the bronchus or intestine, uterine stimulation; also involved in pain, inflammation, fever, allergic diarrhea, and dysmenorrhea..." Serotonin Related Topic "A phenolic amine neurotransmitter (C10H12N2O) that is a powerful vasoconstrictor and is found especially in the brain, blood serum and gastric membranes of mammals..." Sinusitis The Condition "...Although vasoconstrictors and antihistamines cause transient relief, their chronic use is contraindicated, since there is usually a rebound congestion (severe congestion caused by the excessive or abusive use..."

Last updated: May 10, 2007