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相关概念视频

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Heart Failure Drugs: β-Blockers01:22

Heart Failure Drugs: β-Blockers

β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation, vasodilation, and...
Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...

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相关实验视频

Updated: May 11, 2026

A Radio-telemetric System to Monitor Cardiovascular Function in Rats with Spinal Cord Transection and Embryonic Neural Stem Cell Grafts
07:59

A Radio-telemetric System to Monitor Cardiovascular Function in Rats with Spinal Cord Transection and Embryonic Neural Stem Cell Grafts

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生物技术可恢复原生巴罗反射功能,这种功能在患有巴罗反射失效的老鼠中得到恢复.

Takayuki Sato1, Toru Kawada, Masaru Sugimachi

  • 1Department of Cardiovascular Dynamics, National Cardiovascular Center Research Institute, Suita, Japan. tacsato-kochimed@umin.ac.jp

Circulation
|August 7, 2002
PubMed
概括
此摘要是机器生成的。

一个新的生物气体气体反射系统 (BBS) 有效地恢复了气体反射失效的老鼠的动脉压. 这种人造的血管运动中心技术模仿了本源的巴罗反射功能,为心血管调节障碍提供了潜在的治疗方法.

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Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.
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Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice
09:56

Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice

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Last Updated: May 11, 2026

A Radio-telemetric System to Monitor Cardiovascular Function in Rats with Spinal Cord Transection and Embryonic Neural Stem Cell Grafts
07:59

A Radio-telemetric System to Monitor Cardiovascular Function in Rats with Spinal Cord Transection and Embryonic Neural Stem Cell Grafts

Published on: October 7, 2014

Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.
11:08

Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.

Published on: February 14, 2018

Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice
09:56

Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice

Published on: February 14, 2021

科学领域:

  • 生物技术是生物技术.
  • 心血管生理学心血管生理学
  • 神经科学是一个神经科学.

背景情况:

  • 巴罗反射失效可能导致危险的动脉压不稳定.
  • 开发人工系统来恢复生理功能是研究的一个关键领域.

研究的目的:

  • 开发和测试一种生物气体反射系统 (BBS),用于治疗气体反射失效.
  • 评估BBS在恢复大鼠模型中的动脉压调节方面的有效性.

主要方法:

  • 设计了一个计算机控制的负反系统,即人工血管运动中心.
  • 系统性动脉压 (SAP) 被监测,并通过乳结节刺激了交感神经.
  • 人工中心的操作规则与使用已识别的转移函数与本地巴罗反射相匹配.

主要成果:

  • 在巴罗反射失效的老鼠中,BBS成功地减轻了头向上倾斜 (HUT) 的动脉压下降.
  • 在使用BBS时,SAP在2秒内下降了21+/-5 mm Hg,在10秒内下降了15+/-6 mm Hg,而在没有BBS时下降了34+/-6 mm Hg和52+/-5 mm Hg.
  • 用BBS控制的动脉反应与原生巴罗反射的反应相似.

结论:

  • 生物气体气体反射系统 (BBS) 有效地恢复了原生气体反射功能.
  • 这项技术在治疗巴罗反射失效的疾病方面表现有前途.