通过饮食回忆评估的饮食摄入量和通过蛋白质气出现率估计的饮食摄入量的差异
Haalah Shaaker1,2, Andrew Davenport3
1Clinical Nutrition Department, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.
概括
体外观 (PNA) 的蛋白质等价方程可能会高估腹腔透析患者的饮食蛋白质摄入量. 这次重新评估表明,目前的方法可能会掩盖蛋白质营养不良,强调需要改进评估策略.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 临床营养学 临床营养学
- 生物化学 生物化学
背景情况:
- 腹腔透析 (PD) 患者面临肌肉衰竭的风险.
- 临床指导方针建议通过蛋白质相应 (PNA) 来评估饮食摄入量,以确保足够的蛋白质消费.
- 现有的PNA方程是基于较旧的连续门诊PD (CAPD) 治疗方案开发的.
研究的目的:
- 重新评估已建立的PNA方程的准确性.
- 为了比较PNA计算的蛋白质摄入量与PD患者的实际饮食回忆蛋白质摄入量.
- 通过PNA方程来确定饮食蛋白质摄入量的潜在高估或低估.
主要方法:
- 通过使用Nutrics软件程序®,从42名PD患者收集了饮食史.
- 饮食蛋白质摄入量 (DPI) 通过详细的饮食回忆来确定.
- 使用各种 PNA 方程计算的 DPI 与使用 Bland Altman 分析召回的 DPI 相比较.
主要成果:
- 在PNA计算的DPI和召回的DPI之间观察到显著的偏差,较旧的方程低估,较新的方程高估.
- 两种特定的PNA方程式显示与饮食DPI的变化最小,但仍然显示平均偏差为+6.3和+7.8g/day.
- 该研究表明,常用的PNA方程可能会高估许多PD患者的蛋白质摄入量.
结论:
- 当前的PNA方程可能不准确地反映了PD患者的实际饮食蛋白质摄入量.
- 通过PNA方程高估蛋白质摄入量可能导致未被识别的蛋白质营养不良.
- 为了准确评估PD患者的营养状况,需要进一步完善PNA计算方法.
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