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Orthostatic Stress and Baroreflex Sensitivity

Ferreira, Mónica; Laranjo, Sergio; Cunha, Pedro; Geraldes, Vera; Oliveira, Mário; Rocha, Isabel

Publisher Copyright: © 2023 by the authors.; The abnormal neural control of atria has been considered one of the mechanisms of paroxysmal atrial fibrillation (PAF) pathogenesis. The baroreceptor reflex has an important role in cardiovascular regulation and may serve as an index of autonomic function. This study aimed to analyze the baroreceptor reflex’s role in heart rate regulation during upright tilt (HUT) in...

Date: 2023   |   Origin: Repositório Institucional da UNL
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Central Autonomic Network Regions and Hypertension

Geraldes, Vera; Laranjo, Sérgio; Nunes, Catarina; Rocha, Isabel

Introduction: Hypertension, a leading cause of death, was investigated in this study to understand the role of specific brain regions in regulating blood pressure. The lateral parabrachial nucleus (LPBN), Kolliker-fuse nucleus (KF), and periductal grey matter (PAG) were examined for their involvement in hypertension. Methods: Lentiviral vectors were used to alter the activity of these brain regions in hypertens...

Date: 2023   |   Origin: Repositório Institucional da UNL
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