ArticleJournal of applied physiology (Bethesda, Md. : 1985)2013
Sympathetic network drive during water deprivation does not increase respiratory or cardiac rhythmic sympathetic nerve activity.
Article in Journal of applied physiology (Bethesda, Md. : 1985), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Influence of sex and sedentary conditions on sympathetic burst characteristics in prepubertal, postpubertal, and young adult rats.Journal of applied physiology (Bethesda, Md. : 1985) · 2024Article
- Carotid bodies contribute to sympathoexcitation induced by acute salt overload.Experimental physiology · 2019Article
- Hypothalamic PVN contributes to acute intermittent hypoxia-induced sympathetic but not phrenic long-term facilitation.Journal of applied physiology (Bethesda, Md. : 1985) · 2018Article
- Burst patterning of hypothalamic paraventricular nucleus-driven sympathetic nerve activity in ANG II-salt hypertension.American journal of physiology. Heart and circulatory physiology · 2018Article
- Activation of the hypothalamic paraventricular nucleus by forebrain hypertonicity selectively increases tonic vasomotor sympathetic nerve activity.American journal of physiology. Regulatory, integrative and comparative physiology · 2015Article
- Activation of corticotropin-releasing factor receptors in the rostral ventrolateral medulla is required for glucose-induced sympathoexcitation.American journal of physiology. Endocrinology and metabolism · 2014Article
- Blood pressure is maintained during dehydration by hypothalamic paraventricular nucleus-driven tonic sympathetic nerve activity.The Journal of physiology · 2014Article
- Coping with dehydration: sympathetic activation and regulation of glutamatergic transmission in the hypothalamic PVN.American journal of physiology. Regulatory, integrative and comparative physiology · 2014Article
- Ang II-salt hypertension depends on neuronal activity in the hypothalamic paraventricular nucleus but not on local actions of tumor necrosis factor-α.Hypertension (Dallas, Tex. : 1979) · 2014Article
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Abstract
Effects of water deprivation on rhythmic bursting of sympathetic nerve activity (SNA) were investigated in anesthetized, bilaterally vagotomized, euhydrated (control) and 48-h water-deprived (WD) rats (n = 8/group). Control and WD rats had similar baseline values of mean arterial pressure, heart rate, end-tidal CO2, and central respiratory drive. Although integrated splanchnic SNA (sSNA) was greater in WD rats than controls (P < 0.01), analysis of respiratory rhythmic bursting of sSNA revealed that inspiratory rhythmic burst amplitude was actually smaller (P < 0.005) in WD rats (+68 ± 6%) than controls (+208 ± 20%), and amplitudes of the early expiratory (postinspiratory) trough and late expiratory burst of sSNA were not different between groups. Further analysis revealed that water deprivation had no effect on either the amplitude or periodicity of the cardiac rhythmic oscillation of sSNA. Collectively, these data indicate that the increase of sSNA produced by water deprivation is not attributable to either increased respiratory or cardiac rhythmic burst discharge. Thus the sympathetic network response to acute water deprivation appears to differ from that of chronic sympathoexcitation in neurogenic forms of arterial hypertension, where increased respiratory rhythmic bursting of SNA and baroreflex adaptations have been reported.
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