ArticleAutonomic neuroscience : basic & clinical2014
Role of cardiac sympathetic nerves in blood pressure regulation.
Article in Autonomic neuroscience : basic & clinical, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Central nervous system mechanisms of salt-sensitive hypertension.Physiological reviews · 2025Review
- 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
- Interactions between the complement and endothelin systems in normal pregnancy and following placental ischemia.Molecular immunology · 2019Article
- Renal denervation attenuates hypertension but not salt sensitivity in ETAmerican journal of physiology. Regulatory, integrative and comparative physiology · 2017Article
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6 authors at 2 institutions in 1 country.
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Abstract
Stellate ganglionectomy (SGx) was used to assess the contribution of cardiac sympathetic nerves to neurogenic hypertension in deoxycorticosterone (DOCA)-salt treated rats. Experiments were conducted in two substrains of Sprague-Dawley (SD) rats since previous studies reported bradycardia in Charles River-SD (CR-SD) rats and tachycardia in SASCO-SD (SA-SD) rats with DOCA treatment suggesting different underlying neural mechanisms. Uninephrectomized male rats underwent SGx or SHAM surgery and were instrumented for telemetric monitoring of mean arterial pressure (MAP) and heart rate (HR). After recovery, 0.9% saline solution and DOCA (50mg) were administered. Baseline MAP (Days 0-5 average) after SGx in CR-SD rats (96±2mmHg; n=7) was not significantly different (p=0.08) than CR-SD SHAM rats (103±3mmHg; n=9); however, there was a significantly lower HR during the baseline period (377±7 vs. 432±7bpm, p<0.05) in SGx rats. In SA-SD rats baseline MAP was not different between SGx and SHAM rats and HR was lower in SGx rats (428±8 vs. 371±5bpm, p<0.05). After DOCA treatment in both substrains, MAP and HR were elevated similarly in SHAM and SGx groups showing minimal impact in both groups of SGx on hypertension development. However, overall MAP in SA-SD SHAM rats reached a significantly higher level (155±10mmHg vs 135±5mmHg, p<0.05) than that observed in CR-SD SHAM rats demonstrating that the magnitude of hypertensive response to DOCA-salt treatment varies between substrains. In conclusion, removal of cardiac sympathetic nerves did not alter the development or maintenance of DOCA-salt hypertension in SD rats.
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