在从食道中取出一个按电池之前,我们还能做别的事情吗?-氨酸酸
I Bada-Bosch1, M D Blanco Verdú1, J A Cerdá1
1Department of Pediatric Surgery, Hospital Universitario Gregorio Marañón, Madrid, Spain.
概括
氨酸溶液可以通过缓冲pH值变化来保护食道免受按电池损伤. 这种保护作用持续数小时,这表明它可以作为摄入后的治疗方法.
科学领域:
- 胃肠病学 胃肠病学
- 毒理学 毒理学 毒理学
- 生物材料是一种生物材料.
背景情况:
- 摄入按电池可以导致严重的食道损伤,由于性或酸性内容的泄漏.
- 早期干预对于减轻食道粘膜的腐蚀性损伤至关重要.
研究的目的:
- 在动物模型中评估氨酸,氨酸硫酸和Poloxamer 407混合物对按电池诱导的食道损伤的保护效果.
- 评估保护溶液对食道pH值和电池电压的影响.
主要方法:
- 一项实验性研究使用60个猪食道样本,分为对照组,暴露组和暴露保护组.
- 按电池 (CR2032) 应用于不同时间 (2-24小时);保护组接受溶液暴露后1小时.
- 在整个实验中测量了食道pH值和电池电压.
主要成果:
- 与对照组相比,氨酸溶液显著缓冲了阳极和阴极的pH值变化.
- 暴露组与受保护组在1小时后观察到电池电压显著降低.
- 保护性缓冲效应持续了3-5小时,即使溶液应用停止了.
结论:
- 基于氨酸的溶液显示出对按电池诱导的食道粘膜损伤有显著的保护作用.
- 该溶液有效中和了极端的pH值变化,并降低了电池的电潜力.
- 这表明氨酸溶液在控制按电池摄入时具有潜在的治疗作用.
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