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Title: Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats.
Authors: Bezerra, Vanessa Moraes
Xavier, Carlos Henrique
Fernandes, Luciano Gonçalves
Cardoso, Leonardo Máximo
Fontes, Marco Antônio Peliky
Chianca Júnior, Deoclécio Alves
Keywords: Bezold-Jarisch reflex
Sympathetic activity
Protein malnutrition
Issue Date: 2011
Citation: BEZERRA, V. M. et al. Sympathoinhibition to Bezold Jarisch reflex is attenuated in protein malnourished rats. Neuroscience Letters, v. 488, n. 2, p. 129-132, jan. 2011. Disponível em: <>. Acesso em: 26 nov. 2012.
Abstract: Malnutrition affects cardiovascular reflexes, including chemoreflex and baroreflex. In this study we assessed the hypothesis that malnourishment changes the responses in mean arterial pressure (MAP), heart rate (HR) and renal sympathetic nerve activity (RSNA) evoked from Bezold–Jarischreflex (BJR). Fischer rats were fed diets containing either (6% malnourished or 14% control) protein for 35 days after weaning. There were no differences in baseline MAP (102 ± 4 vs. 95 ± 3 mmHg) whereas higher baseline HR (478 ± 18 vs. 360 ± 11 bpm; P < 0.05,) and reduced sympathoinhibition (ΔRSNA = −54 ± 9 vs. −84 ± 7%; P = 0.0208) to BJR activation were found in malnourishedrats. We conclude that malnutrition affects the sympathetic control of BJR.
ISSN: 03043940
metadata.dc.rights.license: O periódico Neuroscience Letters concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3314361445656.
Appears in Collections:DECBI - Artigos publicados em periódicos

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