Avances en la regresión del remodelado vascular hipertensivo con un bloqueante multicanal. Estudio experimental en ratas
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2025
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03/04/2024
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Universidad Complutense de Madrid
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La hipertensión arterial es una enfermedad sistémica que aumenta la morbimortalidad debido a su asociación con eventos cardiovasculares adversos. La hipertensión arterial mantenida produce el remodelado vascular, que consiste en cambios patológicos en la estructura y función de los vasos de conducción y de resistencia. Diferentes fármacos antihipertensivos han demostrado su eficacia en la regresión del remodelado vascular mejorando el pronóstico del paciente con esta enfermedad sistémica. La dronedarona es un antiarrítmico (bloqueante multicanal) que se utiliza en la práctica clínica habitual para el tratamiento de la fibrilación auricular. Disminuye la incidencia de síndrome coronario agudo, así como de isquemia cerebral. Nuestro grupo de investigación ha demostrado en estudios previos, en un modelo experimental de hipertensión arterial primaria del humano (spontaneously hypertensive rat, la rata SHR), la regresión del remodelado cardiaco (hipertrofia ventricular izquierda) y el remodelado de la arteria coronaria tras la administración de dronedarona durante 14 días. Sin embargo, desconocemos el impacto de este fármaco sobre el remodelado de las grandes arterias, también llamadas arterias elásticas, como la aorta...
Arterial hypertension is a systemic disease that increases morbidity and mortality due to its association with adverse cardiovascular events. Maintained arterial hypertension leads to vascular remodeling, characterized by pathological changes in the structure and function of conducting and resistance vessels. Various antihypertensive drugs have demonstrated their effectiveness in regressing vascular remodeling, thereby improving the prognosis of patients with this systemic disease.Dronedarone is an antiarrhythmic (multichannel blocker) used in routine clinical practice for the treatment of atrial fibrillation. It reduces the incidence of acute coronary syndrome and cerebral ischemia. Our research group has previously demonstrated, in an experimental model of primary arterial hypertension in humans (spontaneously hypertensive rat, SHR), the regression of cardiac remodeling (left ventricular hypertrophy) and coronary artery remodeling after the administration of dronedarone for 14 days. However, the impact of this drug on the remodeling of large arteries, also known as elastic arteries, such as the aorta, remains unknown..
Arterial hypertension is a systemic disease that increases morbidity and mortality due to its association with adverse cardiovascular events. Maintained arterial hypertension leads to vascular remodeling, characterized by pathological changes in the structure and function of conducting and resistance vessels. Various antihypertensive drugs have demonstrated their effectiveness in regressing vascular remodeling, thereby improving the prognosis of patients with this systemic disease.Dronedarone is an antiarrhythmic (multichannel blocker) used in routine clinical practice for the treatment of atrial fibrillation. It reduces the incidence of acute coronary syndrome and cerebral ischemia. Our research group has previously demonstrated, in an experimental model of primary arterial hypertension in humans (spontaneously hypertensive rat, SHR), the regression of cardiac remodeling (left ventricular hypertrophy) and coronary artery remodeling after the administration of dronedarone for 14 days. However, the impact of this drug on the remodeling of large arteries, also known as elastic arteries, such as the aorta, remains unknown..
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, leída el 03-04-2024