开发和验证预测模型,用于6个月胃口切除的时间,在肌缩性侧面硬化症
Andrea Lizio1, Jessica Lops1, Matteo Farè1
1NEuroMuscolar Omnicentre, Milan, Italy.
BMJ neurology open
|January 21, 2026
概括
这项研究开发了简单的预测模型,以识别需要在六个月内通过皮肤进行内镜胃口切除 (PEG) 的肌缩侧硬化症 (ALS) 患者. 这些工具有助于及时进行营养干预,以改善ALS患者的治疗结果.
科学领域:
- 神经学 神经学
- 临床营养学 临床营养学
- 生物统计学 生物统计学
背景情况:
- 缺食症是肌缩侧面硬化症 (ALS) 的常见和严重并发症.
- 营养不良和加速的疾病进展与ALS患者的消化不良有关.
- 在ALS中进行皮肤内镜胃口术 (PEG) 放置的最佳时间尚不清楚,尽管建议早期进行营养干预.
研究的目的:
- 开发和验证简单的预测模型,以识别可能在六个月内需要PEG安置的ALS患者.
- 创建可访问的工具,如在线计算器,用于预测PEG的必要性.
主要方法:
- 一项回顾性队列研究,涉及来自意大利三个中心的ALS患者 (2018年2月 - 2023年10月).
- 使用单变量和多变量二进制逻辑回归来确定PEG放置的预测因素.
- 模型是根据个人预后或诊断 (TRIPOD) 准则的多变量预测模型的透明报告开发的,并经过内部和外部验证.
主要成果:
- 历史和功能预测模型,使用年龄,ALSFRS-r气柱子子子评分和强迫生命能力,显示出强大的预测性能 (Brier评分:0.1230,c指数:0.91).
- 历史和营养预测模型,包括年龄,发病地点,NIV,BMI和体重减轻,显示出良好的预测性表现 (比尔得分:0.1719,c指数:0.81).
- 这两种模型都在116名ALS患者的外部队列中得到了验证,证实了它们的预测准确性.
结论:
- 开发的预测模型提供了准确且易于实施的工具,可以在六个月内预测ALS患者的PEG需求.
- 这些预测模型所促进的及时的营养干预,可能会提高患者的治疗结果和ALS管理中的护理质量.
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