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相关概念视频

Male Sexual Response: Erection & Ejaculation01:17

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Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
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Directly acting muscle relaxants like dantrolene and botulinum toxin (BoNT) have distinct mechanisms and applications. Dantrolene, a hydantoin derivative, acts on the ryanodine receptor (RYR1) in skeletal muscle cells. RYR1 are calcium channels present at the sarcoplasmic reticulum membrane. In response to excitation, they release calcium ions from the sarcoplasmic reticulum to the cytosol. Calcium promotes actin-myosin-mediated contraction of muscles.
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Intracavernosal Pressure Recording to Evaluate Erectile Function in Rodents
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针对勃起功能障碍的内腔鼻内毒素注射:综合系统性审查

Vanessa Talavera Cobo1, Carlos Andres Yanez Ruiz1, Mario Daniel Tapia Tapia1

  • 1Department of Urology, Clinica Universidad de Navarra, Av. Pío XII 36, 31008 Pamplona, Spain.

Life (Basel, Switzerland)
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PubMed
概括

内内突毒素A (BoNT-A) 显示为治疗对标准疗法的不响应者勃起功能障碍 (ED) 的前景. 这种新的治疗方法可以改善性功能,具有有利的安全性,为侵入性选择提供了替代方案.

关键词:
作为PDE5抑制剂的使用.一种类型A的肉毒毒素.这是勃起功能障碍.内洞鼻内注射的注射方法耐火材料 耐火材料 耐火材料系统性审查 系统性审查

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科学领域:

  • 泌尿器科 泌尿器科 泌尿器科 泌尿器科
  • 药理学 药理学是指药理学的学科.
  • 再生医学是一种再生医学.

背景情况:

  • 勃起功能障碍 (ED) 影响全球20%的男性,影响生活质量.
  • 固酶5型抑制剂 (PDE5-Is) 是一线治疗方法,但许多患者没有反应.
  • 腔内阿尔普拉斯塔迪尔是有效的,但具有侵入性;腔内瘤毒素A (BoNT-A) 提供了一个新的替代方案.

研究的目的:

  • 系统地审查用于治疗勃起功能障碍 (ED) 的内瘤毒素A (BoNT-A) 的疗效和安全性.
  • 评估BoNT-A作为耐火性ED患者的潜在治疗选择.
  • 评估BoNT-A在减轻治疗负担和改善治疗坚持方面的潜力.

主要方法:

  • 根据PRISMA指南进行了系统审查.
  • 在主要数据库 (PubMed,Embase,Cochrane,Scopus,Clinicaltrials.gov) 进行了搜索,使用相关的关键字和MeSH术语.
  • 包括51项研究,由于异质性,数据通过叙事综合合成.

主要成果:

  • 在整个研究中,内腔鼻腔BoNT-A在勃起功能得分上表现出了改善.
  • 报告的响应率从40%到77.5%不等.
  • 治疗显示出良好的安全性,最常见的副作用是阴茎轻度疼痛;没有报告严重的系统性事件.

结论:

  • 内内上毒素A (BoNT-A) 可能是耐火性ED患者的有益选择.
  • BoNT-A 提供了潜在的性功能改善,并减少了对侵入性治疗的依赖.
  • 需要进一步进行大规模的安慰剂对照试验,以确认疗效和标准化临床使用.