血清白蛋白下降与身体质量指数稳定:预透析慢性病中的死亡率指标
Menaka Sarav1, Prabin Shrestha2, Adnan Naseer3
1Yale University School of Medicine, New Haven, CT, United States.
概括
尽管身体质量指数 (BMI) 稳定,但大多数晚期慢性病 (CKD) 患者的血清白蛋白水平下降. 这种下降与透析开始后死亡风险增加有关.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 营养科学 营养科学
- 老年医学 老年医学
背景情况:
- 晚期慢性病 (CKD) 影响营养状况.
- 稳定的体重指数 (BMI) 经常用于评估CKD患者的营养充足度.
- 营养标志物与预透析CKD结果之间的关系需要进一步研究.
研究的目的:
- 为了研究血清白蛋白水平的变化,在预透析的CKD患者中,KD患者的BMI稳定.
- 为了检查血清白蛋白下降和脏替代疗法开始后死亡风险之间的关联.
主要方法:
- 对美国退伍军人患有晚期慢性脏病过渡到脏替代疗法的全国性队列的分析.
- 使用混合效应模型计算在透析前3年内个体内血清白蛋白斜率的计算.
- 考克斯比例危险模型被用来评估血清白蛋白倾斜与透析后死亡率的关联.
主要成果:
- 81%的稳定BMI患者的血清白蛋白水平下降.
- 血清白蛋白的急剧下降与更高的透析后死亡率显著相关 (HR:1.86).
- 队列的平均年龄为64岁,其中98.3%是男性,30%是非洲裔美国人.
结论:
- 很大一部分晚期CKD患者经历了临床相关的血清白蛋白下降,尽管BMI稳定.
- 稳定的BMI是晚期CKD中营养充足度的不足标志物.
- 综合营养评估对于管理晚期CKD患者至关重要.
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