不同养系统的营养配方微生物安全性
Raissa Leonello Bellotti1, Denise Barros Ferreira2, Ana Paula Biz3
1Scientific Department, Prodiet Medical Nutrition, Curitiba, Brazil.
概括
准备挂挂 (RTH) 肠道营养系统在24小时内是安全的,而开放系统 (OS) 在8小时内是安全的. 适当的处理对于维持两种系统中的微生物安全至关重要.
科学领域:
- 微生物学 微生物学
- 临床营养学 临床营养学
- 食品安全 食品安全
背景情况:
- 肠道营养 (EN) 对于无法消费口服的患者来说至关重要.
- EN配方可以支持微生物生长,造成感染风险.
- 评估EN养系统的微生物安全性对于患者的康复至关重要.
研究的目的:
- 评估和比较两个肠道营养输送系统的微生物安全性:开放系统 (OS) 和准备挂 (RTH).
- 为了确定不同输液周期对EN配方中的微生物负载的影响.
- 为了确定与EN料中病原体污染相关的潜在风险.
主要方法:
- 在EN样本上进行了中性有氧计数的微生物学分析.
- 测试了两个系统:RTH (输注,没有手动处理) 和OS (手动准备,重力管理).
- 在液体和粉末配方的各种输液间隔收集样品.
主要成果:
- 准备挂 (RTH) 配方保持微生物计数低于安全限值长达24-48小时.
- 液体和粉末的开放系统 (OS) 配方在微生物安全性方面保持了长达8小时的时间.
- 在每个系统的推输液时间内没有观察到显著的细菌生长.
结论:
- 无论是RTH还是OS肠道营养系统,在它们推的输液持续时间内 (RTH的24小时,OS的8小时) 都可以被认为是微生物安全的.
- 遵守良好的处理实践对于确保EN料系统的微生物安全至关重要.
- 对处理EN的医疗保健专业人员进行持续培训是必要的,以尽量减少污染风险.
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