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JoVE Core
Pharmacology
肾上腺素能激动剂:治疗用途
肾上腺素能激动剂:治疗用途
JoVE Core
Pharmacology
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JoVE Core Pharmacology
Adrenergic Agonists: Therapeutic Uses

6.10: 肾上腺素能激动剂:治疗用途

1,380 Views
01:30 min
September 22, 2023
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

肾上腺素能激动剂在各种医疗条件和紧急情况中有多种治疗用途。

急诊和重症监护病房 (ICU) 应用:升压药可在休克和器官衰竭情况下增加血压、心率和收缩力。多巴胺可以诱导血管舒张并刺激肾上腺素能受体。内源性儿茶酚胺可有效治疗心源性休克。α2-激动剂如可乐定可以逆转麻醉诱导的高血压。

过敏和过敏反应:肠外肾上腺素在治疗过敏反应和过敏反应方面非常有效,可缓解瘙痒、荨麻疹、水肿和气道狭窄等症状。它抑制组胺等介质的释放。

呼吸系统疾病:β激动剂用于治疗哮喘。异丙肾上腺素、肾上腺素和选择性 β2-激动剂(如沙美特罗)是常用的支气管扩张剂。

中枢神经系统疾病:具有良好 CNS 渗透性的间接和混合作用激动剂在发作性睡病和 ADHD 等情况下调节脑功能障碍,产生情绪增强和刺激作用。

鼻充血缓解:羟甲唑啉和其他鼻减充血剂用于治疗各种形式的感冒、鼻炎、鼻窦炎和鼻塞。

眼科:去氧肾上腺素在眼底检查的滴眼液中用作散瞳剂。

尿失禁治疗:β3 受体激动剂,如米拉贝隆用于治疗尿失禁。

肾上腺素能激动剂有许多治疗应用。他们在紧急情况下提供有价值的干预措施,并帮助管理各种医疗状况。

Transcript

肾上腺素能激动剂或拟交感神经药在发生危及生命的反应(如过敏反应或低血容量性休克)时至关重要。

肠外给药的肾上腺素通过抑制肥大细胞介质的释放来缓解严重过敏反应的症状。ꞵ 沙丁胺醇等2 -激动剂也有助于缓解支气管哮喘。

治疗休克包括使用升压剂稳定血流和压力。ꞵ1-激动剂增加心率和收缩力,而α1-激动剂增加外周阻力。多巴胺作为血管扩张剂给药,有助于激活肾上腺素能受体。

肾上腺素或去氧肾上腺素敷布有助于控制出血过多。

苯

丙胺和哌醋甲酯等儿茶酚胺增强剂用于发作性睡病患者——以促进清醒或 ADHD——以控制冲动和提高注意力持续时间。安非他明也具有厌食作用。

α激动剂有助于缓解感冒、鼻窦炎和鼻炎的充血。去氧肾上腺素也用于眼部检查的散瞳滴眼液中。

其他方面,β2-激动剂利托君用作子宫松弛剂,而 β3-选择性米拉贝隆有助于治疗尿失禁。

Explore More Videos

肾上腺素能激动剂 治疗用途 升压药 血压 心率 收缩力 休克 器官衰竭 多巴胺 血管舒张 儿茶酚胺 心源性休克 肾上腺素 过敏 过敏反应 哮喘 支气管扩张剂 中枢神经系统疾病 情绪增强 鼻减充血剂 眼科 尿失禁

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