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Vasoconstrictors are also used clinically to increase blood pressure or to reduce local blood flow. Vasoconstrictors mixed with local anesthetics are used to increase the duration of local anesthesia by constricting the blood vessels, thereby safely concentrating the anesthetic agent for an extended duration, as well as reducing hemorrhage. [4] [5]
A cerebral vasodilator is a drug which acts as a vasodilator in the brain. [1] [2] They are used to improve blood flow in people with cerebrovascular insufficiency and to treat neurological disorders secondary to this condition. [2] A number of different cerebral vasodilators exist.
[4] Injuries to nerves of the lower trunk of the brachial plexus (Klumpke's paralysis) and compression of median nerve at the flexor retinaculum of the hand (Carpal Tunnel Syndrome) can cause vasomotor changes at the areas innervated by the nerves. This area of the skin will become warmer because of vasodilation (loss of vasoconstriction). [5]
Vascular resistance is the resistance that must be overcome for blood to flow through the circulatory system.The resistance offered by the systemic circulation is known as the systemic vascular resistance or may sometimes be called by another term total peripheral resistance, while the resistance caused by the pulmonary circulation is known as the pulmonary vascular resistance.
Vasodilation, also known as vasorelaxation, is the widening of blood vessels. [1] It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins , large arteries , and smaller arterioles . [ 2 ]
A nitrovasodilator is a pharmaceutical agent that causes vasodilation (widening of blood vessels) by donation of nitric oxide (NO), [1] and is mostly used for the treatment and prevention of angina pectoris.
Diazoxide [1] vasodilator used for hypertension, smooth muscle relaxing activity; Minoxidil [2] vasodilator used for hypertension, also used to treat hair loss; Nicorandil [3] vasodilator used to treat angina; Pinacidil [4] Retigabine, [5] [6] an anticonvulsant; Flupirtine, analgesic with muscle relaxant and anticonvulsant properties
Pages in category "Cerebral vasodilators" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. B. Buphenine; C.