About: Vasoactivity

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A vasoactive substance is an endogenous agent or pharmaceutical drug that has the effect of either increasing or decreasing blood pressure and/or heart rate through its vasoactivity, that is, vascular activity (effect on blood vessels). By adjusting vascular compliance and vascular resistance, typically through vasodilation and vasoconstriction, it helps the body's homeostatic mechanisms (such as the renin–angiotensin system) to keep hemodynamics under control. For example, angiotensin, bradykinin, histamine, nitric oxide, and vasoactive intestinal peptide are important endogenous vasoactive substances. Vasoactive drug therapy is typically used when a patient has the blood pressure and heart rate monitored constantly. The dosage is typically titrated (adjusted up or down) to achieve a desi

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  • Sustancias vasoactivas son moléculas que ensanchan (vasodilatación) o estrechan (vasoconstricción) los vasos sanguíneos. Por ejemplo, la angiotensina 2, la adrenalina, la noradrenalina, la fenilefrina, la y la vasopresina serían agentes vasoconstrictores y la PGI2 (prostaciclina) y el óxido nítrico agentes vasodilatadores. Al ajustar la conformidad y la resistencia vascular, típicamente a través de la vasodilatación y la vasoconstricción, ayuda a los mecanismos homeostáticos del cuerpo (como el sistema renina-angiotensina) a mantener la hemodinámica bajo control. Por ejemplo, la angiotensina, la bradiquinina, la histamina, el óxido nítrico y el péptido intestinal vasoactivo son importantes sustancias endógenas vasoactivas. La terapia de drogas vasoactivas se utiliza típicamente cuando un paciente tiene la presión arterial y el ritmo cardíaco controlados constantemente. La dosis se suele ajustar (subir o bajar) para lograr un efecto deseado o una gama de valores determinados por médicos competentes. Los fármacos vasoactivos suelen administrarse mediante un dispositivo de infusión volumétrica (bomba intravenosa). Esta categoría de fármacos requiere una estrecha observación del paciente con una intervención casi inmediata requerida por los clínicos a cargo de su cuidado. Varios agentes vasoactivos, como los prostanoides, los inhibidores de la fosfodiesterasa y los antagonistas de la endotelina, están aprobados para el tratamiento de la hipertensión arterial pulmonar. El uso de agentes vasoactivos para pacientes con hipertensión pulmonar puede causar daño y gastos innecesarios a las personas con cardiopatía izquierda o con enfermedades pulmonares de tipo hipoxémico.​ (es)
  • A vasoactive substance is an endogenous agent or pharmaceutical drug that has the effect of either increasing or decreasing blood pressure and/or heart rate through its vasoactivity, that is, vascular activity (effect on blood vessels). By adjusting vascular compliance and vascular resistance, typically through vasodilation and vasoconstriction, it helps the body's homeostatic mechanisms (such as the renin–angiotensin system) to keep hemodynamics under control. For example, angiotensin, bradykinin, histamine, nitric oxide, and vasoactive intestinal peptide are important endogenous vasoactive substances. Vasoactive drug therapy is typically used when a patient has the blood pressure and heart rate monitored constantly. The dosage is typically titrated (adjusted up or down) to achieve a desired effect or range of values as determined by competent clinicians. Vasoactive drugs are typically administered using a volumetric infusion device (IV pump). This category of drugs require close observation of the patient with near immediate intervention required by the clinicians in charge of the patient's care. Important vasoactive substances are angiotensin-11, endothelin-1, and alpha-adrenergic agonists. Various vasoactive agents, such as prostanoids, phosphodiesterase inhibitors, and endothelin antagonists, are approved for the treatment of pulmonary arterial hypertension. The use of vasoactive agents for patients with pulmonary hypertension may cause harm and unnecessary expense to persons with left heart disease or hypoxemic types of lung diseases. (en)
  • Drogas vasoativas se refere às substâncias que apresentam efeitos vasculares periféricos, pulmonares ou cardíacos, sejam eles diretos ou indiretos, atuando em pequenas doses e com respostas dose dependente de efeito rápido e curto, através de receptores situados no endotélio vascular. São de uso corriqueiro em uma unidade de terapia intensiva (UTI) principalmente para regular a frequência cardíaca e volume sistólico. (pt)
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  • Drogas vasoativas se refere às substâncias que apresentam efeitos vasculares periféricos, pulmonares ou cardíacos, sejam eles diretos ou indiretos, atuando em pequenas doses e com respostas dose dependente de efeito rápido e curto, através de receptores situados no endotélio vascular. São de uso corriqueiro em uma unidade de terapia intensiva (UTI) principalmente para regular a frequência cardíaca e volume sistólico. (pt)
  • Sustancias vasoactivas son moléculas que ensanchan (vasodilatación) o estrechan (vasoconstricción) los vasos sanguíneos. Por ejemplo, la angiotensina 2, la adrenalina, la noradrenalina, la fenilefrina, la y la vasopresina serían agentes vasoconstrictores y la PGI2 (prostaciclina) y el óxido nítrico agentes vasodilatadores. Los fármacos vasoactivos suelen administrarse mediante un dispositivo de infusión volumétrica (bomba intravenosa). Esta categoría de fármacos requiere una estrecha observación del paciente con una intervención casi inmediata requerida por los clínicos a cargo de su cuidado. (es)
  • A vasoactive substance is an endogenous agent or pharmaceutical drug that has the effect of either increasing or decreasing blood pressure and/or heart rate through its vasoactivity, that is, vascular activity (effect on blood vessels). By adjusting vascular compliance and vascular resistance, typically through vasodilation and vasoconstriction, it helps the body's homeostatic mechanisms (such as the renin–angiotensin system) to keep hemodynamics under control. For example, angiotensin, bradykinin, histamine, nitric oxide, and vasoactive intestinal peptide are important endogenous vasoactive substances. Vasoactive drug therapy is typically used when a patient has the blood pressure and heart rate monitored constantly. The dosage is typically titrated (adjusted up or down) to achieve a desi (en)
rdfs:label
  • Vasoactivo (es)
  • Droga vasoativa (pt)
  • Vasoactivity (en)
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