难以捉摸的指导在危急疾病中的蛋白质剂量
Stephen A McClave1, Keith R Miller2, Robert G Martindale3
1Department of Medicine.
Current opinion in critical care
|June 16, 2025
概括
适当的蛋白质摄入量对于重症监护患者来说至关重要,以防止肌肉损失. 起初低剂量蛋白质,加上运动,然后增加供应,有助于恢复和力量.
科学领域:
- 关键护理医学 关键护理医学
- 营养科学 营养科学
- 肌肉生理学 肌肉生理学
背景情况:
- 蛋白质供应在重症监护中至关重要,以对抗肌肉代谢和肌肉衰弱.
- 骨肌肉的复杂可塑性,包括合成代谢抵抗和炎症,使蛋白质的剂量变得复杂.
- 早期高蛋白剂量可能由于线粒体功能障碍而无效或有害.
研究的目的:
- 对重症监护病人的最佳蛋白质剂量策略进行审查.
- 解决提供足够营养以防止肌肉衰竭的挑战.
- 为临床医生指导为重症患者提供营养支持.
主要方法:
- 审查当前关于蛋白质代谢和危急疾病中的营养支持的文献.
- 分析影响肌肉蛋白质合成和分解的因素.
- 评估与不同蛋白质剂量策略相关的临床结果.
主要成果:
- 在危急疾病的早期高蛋白剂量不改善结果,可能有毒.
- 尿素/肌素比率升高表明耐受性差,氨的产生,以及肌肉蛋白解.
- 肌肉可塑性存在挑战,原因是合成代谢抵抗和炎症.
结论:
- 在急性阶段,建议低剂量蛋白质与运动和早期动员相结合.
- 专门的亲解决调解者可以帮助解决炎症.
- 在恢复和康复阶段建议增加蛋白质供应.
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