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相关概念视频

Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

92
Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
92
General Anesthesia: Overview01:24

General Anesthesia: Overview

186
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
186
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

406
Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
406
Stages of General Anesthesia01:22

Stages of General Anesthesia

342
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
342
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

160
Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
160
Local Anesthetics: Pharmacokinetics01:13

Local Anesthetics: Pharmacokinetics

718
The potency and duration of action of local anesthetics (LAs) are determined by their pharmacokinetics. Pharmacokinetics describes how LAs are absorbed, distributed, metabolized, and eliminated from the body. When administered to the vascular tissues, LAs are quickly absorbed and enter the systemic circulation, reducing their localized effects. Adding vasoconstrictors such as epinephrine to LAs reduces their absorption into the systemic circulation, making them clinically effective. The...
718

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相关实验视频

Updated: May 25, 2025

Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention
08:49

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Published on: October 16, 2013

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前期药物治疗和全身麻醉剂降低了狗体内内大麻素 (endocannabinoid anandamide) 的血度.

Andrew Chua1, Maureen A McMichael1, Tom Jukier1

  • 1Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL.

American journal of veterinary research
|February 27, 2025
PubMed
概括
此摘要是机器生成的。

通用麻醉 (GA) 显著降低了狗的血中安纳米德 (AEA) 水平,无论麻醉类型 (异花或异花). 这一发现凸显了兽医程序期间对内分泌大麻素信号传递的潜在影响.

关键词:
狗类犬类动物 狗类犬类内分泌大麻素系统 内分泌大麻素系统一般麻醉全身麻醉这是oflurane的.七伏氨酸是什么意思

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相关实验视频

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科学领域:

  • 兽医麻醉学 兽医麻醉学
  • 神经内分泌学神经内分泌学
  • 大麻素研究 研究 大麻素研究

背景情况:

  • 内分泌大麻素系统在疼痛调节和神经保护中发挥作用.
  • 胺 (AEA) 是一种关键的内分泌大麻素,在麻醉期间可能有影响.
  • 了解狗的全身麻醉 (GA) 期间AEA变化对于优化患者护理至关重要.

研究的目的:

  • 为了研究异黄素 (ISO) 与黄素 (SEVO) 全身麻醉对狗血AEA度的影响.
  • 为了确定GA持续时间,液体给药或同时服用的药物是否会影响AEA水平.
  • 探索前期治疗,GA和内分泌大麻素信号传递在狗患者之间的关系.

主要方法:

  • 对21只接受GA治疗的狗血样本的分析,随机分为ISO或SEVO.
  • 使用高性能液体染色学-并联质谱法 (HPLC-MS-MS) 测量血AEA度.
  • 统计分析包括线性混合模型,以评估麻醉类型,持续时间,液体体积和其他治疗方法的影响.

主要成果:

  • 血AEA度在ISO和SEVO两组的GA后显著下降.
  • 平均AEA水平从大约29 ng/mL下降到12.3 ng/mL (ISO) 和26.6 ng/mL下降到11.1 ng/mL (SEVO).
  • 在麻醉组之间没有发现AEA减少的显著差异,也没有与麻醉持续时间,液体体积,手术类型或NSAID/类固醇使用相关.

结论:

  • 总麻醉可显著降低狗的血AEA度,无论使用的吸入麻醉剂 (ISO或SEVO).
  • 观察到的AEA减少可能受到其他同时使用的麻醉剂的影响.
  • 这项研究首次表明了麻醉方案与狗体内大麻素信号传递之间的相互作用.