用基于同位素二碳酸的连续血液过去除和替换二碳酸盐:一种用于纠正严重代谢酸症的新方法
Yoshihiro Inoue1, Yayoi Tsuchihashi2, Hassu Kin2
1Department of Clinical Engineering, St. Luke's International Hospital, 9-1, Akashi-Cho, Chuo-Ku, Tokyo, 104-8560, Japan. yoshino@luke.ac.jp.
以同位素二碳酸为基础的连续血液过 (IBB-CHDF) 通过增加二碳酸水平,有效地纠正严重的代谢酸症. 这种新的血过方法避免了和水的过载,提供了更安全的治疗替代方案.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 关键护理医学 关键护理医学
- 生物化学 生物化学
背景情况:
- 严重的代谢酸性症是一种危急的疾病,通常通过血液过来管理.
- 传统的血过使用同二碳酸盐溶液,通过去除化物和添加二碳酸盐来纠正酸性.
- 基于同位素二碳酸的连续血液过 (IBB-CHDF) 是一种新的方法,需要进行体外评估.
研究的目的:
- 评估IBB-CHDF在纠正代谢性酸性疾病中的有效性和安全性.
- 为了在体外环境中比较IBB-CHDF与传统的连续血液过 (CHDF).
- 在处理过程中评估电解质变化,特别是二碳酸盐和水平.
主要方法:
- 在体外研究比较IBB-CHDF和常规CHDF使用模仿血液电解质组成的溶液.
- 测量pH,HCO3-,Na+和K+度的连续测量.
- 标准化血液流速 (100毫升/分钟) 和透析液流速 (1.0升/小时).
- 可变的替换流体流量 (CHDF的0.51.5 L/h,IBB-CHDF的0.11.5 L/h). 换气流量可以变化.
主要成果:
- IBB-CHDF迅速将二碳酸盐从14.7升至25.9mEq/L,以每小时0.5L的替代流量,达到生理水平.
- 传统的CHDF显示碳酸盐的增加最小 (在0.5L/h时达到16.5mEq/L,在1.5L/h时达到22.0mEq/L).
- 与传统的CHDF不同,IBB-CHDF保持了稳定的度150mEq/L,没有过载.
结论:
- 与传统的CHDF相比,IBB-CHDF在纠正代谢酸化方面表现出更高的疗效.
- 该方法有效地消除了多余的化物,同时提供碳酸盐.
- IBB-CHDF可以防止和水的过载,这表明它具有良好的安全性.
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