• Cutaneous vasodilation is controlled by direct local effects and decrease of sympathetic vascular tone. (medscape.com)
  • These studies demonstrate that beta(1)-adrenergic receptors play a dominant role in the murine vascular system to mediate vasodilation. (meltingpointathens.com)
  • H1 receptors mediate coronary artery vasoconstriction, wheezing, cutaneous vascular permeability, and possibly an increase in pulse rate. (nih.gov)
  • Overall, there was a non-significant trend towards increased endothelium-dependent vasodilation following both acute and chronic FVPD consumption. (cambridge.org)
  • A single high-fat Western meal transiently reduces endothelium-dependent vasodilation at rest but the interaction with sympathetic vasoconstrictor activity during exercise remains unknown. (researchgate.net)
  • Vasoconstriction - decreases blood flow to periphery, decreases heat loss. (nasdonline.org)
  • They also described the mechanism of nycturia in patients with chronic heart failure caused by increased renal perfusion during sleep due to relaxed splanchnic vasoconstriction during night hours. (ikem.cz)
  • Ethanol abuse, which is strongly associated with hypothermia, results in vasodilation and interferes with peripheral vasoconstriction, an important physiologic mechanism of defense against the cold. (cdc.gov)
  • Significant vasodilation in the arterial splanchnic district is crucial for an increase in portal flow. (karger.com)
  • Vasoconstriction is a normal process and happens due to natural external triggers such as decreases in temperature (experiencing a cold day, jumping into the cold ocean or walking into a cool room). (cryospaclinics.com.au)
  • Vasodilation also happens naturally in the body on a day-to-day basis with a variety of triggers like temperature increases, low levels of oxygen or a nutrient decrease. (cryospaclinics.com.au)
  • At the same time, it triggers vasoconstriction to blood vessels serving less essential organs such as the gastrointestinal tract, kidneys, and skin, and downregulates some components of the immune system. (jackwestin.com)
  • It also prompts vasodilation , further increasing the oxygenation of important organs such as the lungs, brain, heart, and skeletal muscle. (jackwestin.com)
  • This so-called "mixed vasoconstriction/vasodilation" response is sometimes known as the "hunting reaction": the process of rotating vasoconstriction and vasodilation responding to extreme cold. (cryospaclinics.com.au)
  • Elderly persons particularly are at risk for hypothermia because of medical and socioeconomic factors such as underlying diseases, social isolation, and physiologic changes (e.g., lack of appropriate vasoconstriction in response to cold environments, decreased basal metabolic rate, and impaired shivering mechanism). (cdc.gov)
  • Neuroleptic drugs also predispose a person to hypothermia by inducing vasodilation and suppressing the shivering response. (cdc.gov)
  • Normally, the increase in BP would stimulate parasympathetic compensation with vasodilation and correction of BP. (msdmanuals.com)
  • In patients with endothelial dysfunction, this process is disturbed and results in decreased vasodilation, thus demonstrating the dysfunction. (escardio.org)
  • This will lead to vasodilation and may also increase your heart rate. (cryospaclinics.com.au)
  • Furthermore, suffusion of iloprost (2.8-28 nM), a prostacyclin mimetic, led to a slight increase in vasodilation in the exposed animals compared to control (max % of control 177 +/- 25% sham, 214 +/- 41% exposed). (cdc.gov)
  • A lack of vasodilation would suggest decreased release of endogenous vasodilators and therefore, endothelial dysfunction, thus indicating future cardiovascular risk: increased risk for future cardiovascular events and a potential need for revascularisation (5). (escardio.org)
  • Both the attenuated L-mono-methyl-arginine-induced vasoconstriction as well as the impaired serotonin-induced vasodilation were restored in patients during tetrahydrobiopterin infusion. (jci.org)
  • However, in certain patients, a paradoxical vasoconstriction event ensues (4) such that this technique actually carries a risk of coronary ischemia. (escardio.org)
  • Although the tail acted as a thermal window exhibiting clear vasoconstriction/vasodilation, the star varied passively in surface temperature, with little evidence for thermoregulatory vasomotion. (icr.org)
  • Objective -To evaluate the clinical efficacy of topically administered glyceryl trinitrate (GTN) for inducing digital submural vasodilation in clinically normal horses. (avma.org)
  • Their study of the effects of dibenamine on nervous factors of heart failure laid the foundations of vasodilation therapy, introduced to practice as late as 25 years later. (ikem.cz)