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Beltrán AR, Arce-Álvarez A, Ramirez-Campillo R, et al. Baroreflex Modulation During Acute High-Altitude Exposure in Rats. Front Physiol. 2020;11:1049doi: 10.3389/fphys.2020.01049.
Beltrán, A. R., Arce-Álvarez, A., Ramirez-Campillo, R., Vásquez-Muñoz, M., von Igel, M., Ramírez, M. A., Del Rio, R., & Andrade, D. C. (2020). Baroreflex Modulation During Acute High-Altitude Exposure in Rats. Frontiers in physiology, 111049. https://doi.org/10.3389/fphys.2020.01049
Beltrán, Ana Rosa, et al. "Baroreflex Modulation During Acute High-Altitude Exposure in Rats." Frontiers in physiology vol. 11 (2020): 1049. doi: https://doi.org/10.3389/fphys.2020.01049
Beltrán AR, Arce-Álvarez A, Ramirez-Campillo R, Vásquez-Muñoz M, von Igel M, Ramírez MA, Del Rio R, Andrade DC. Baroreflex Modulation During Acute High-Altitude Exposure in Rats. Front Physiol. 2020 Aug 21;11:1049. doi: 10.3389/fphys.2020.01049. eCollection 2020. PMID: 32973562; PMCID: PMC7472463.
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Front Physiol. 2020 Aug 21;11:1049. doi: 10.3389/fphys.2020.01049. eCollection 2020.

Baroreflex Modulation During Acute High-Altitude Exposure in Rats.

Frontiers in physiology

Ana Rosa Beltrán, Alexis Arce-Álvarez, Rodrigo Ramirez-Campillo, Manuel Vásquez-Muñoz, Magdalena von Igel, Marco A Ramírez, Rodrigo Del Rio, David C Andrade

Affiliations

  1. Departamento de Educación, Facultad de Educación, Universidad de Antofagasta, Antofagasta, Chile.
  2. Laboratorio de Fisiología Celular, Departamento Biomédico, Facultad de Ciencias de la Salud, Universidad de Antofagasta, Antofagasta, Chile.
  3. Escuela de Kinesiología, Facultad de Salud, Universidad Católica Silva Henríquez, Santiago, Chile.
  4. Laboratory of Human Performance, Quality of Life and Wellness Research Group, Department of Physical Activity Sciences, Universidad de Los Lagos, Osorno, Chile.
  5. Centro de Investigación en Fisiología del Ejercicio, Facultad de Ciencias, Universidad Mayor, Santiago, Chile.
  6. Laboratory of Cardiorespiratory Control, Department of Physiology, Pontificia Universidad Católica de Chile, Santiago, Chile.
  7. Centro de Envejecimiento y Regeneración (CARE), Pontificia Universidad Católica de Chile, Santiago, Chile.
  8. Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas, Chile.
  9. Pedagogía en Educación Física, Deportes y Recreación, Universidad Mayor, Santiago, Chile.

PMID: 32973562 PMCID: PMC7472463 DOI: 10.3389/fphys.2020.01049

Abstract

Baroreflex (BR) control is critically dependent of sympathetic and parasympathetic modulation. It has been documented that during acute hypobaric hypoxia there is a BR control impairment, however, the effect of a natural hypoxic environment on BR function is limited and controversial. Therefore, the aim of this study was to determine the effect of acute High-Altitude exposure on sympathetic/parasympathetic modulation of BR control in normal rats. Male Sprague Dawley rats were randomly allocated into Sea-Level (

Copyright © 2020 Beltrán, Arce-Álvarez, Ramirez-Campillo, Vásquez-Muñoz, von Igel, Ramírez, Del Rio and Andrade.

Keywords: autonomic nervous system; baroreceptors; baroreflex; parasympathetic nervous system; sympathetic nervous system

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