推断对末期功能衰竭患者的和的个人摄入量建议,通过与贝叶斯等级多变量模型模拟
Jari Turkia1,2, Ursula Schwab3,4, Ville Hautamäki1
1School of Computing, University of Eastern Finland, Joensuu, Finland.
PloS one
|February 6, 2024
概括
针对末期病 (ESRD) 患者的个性化营养模型显示,个人对和的食需求有很大差异. 量身定制的建议可以帮助预防营养不良,改善患者的治疗结果.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 营养科学 营养科学
- 生物统计学 生物统计学
背景情况:
- 末期病 (ESRD) 患者经常面临营养不良,原因是饮食限制和.
- 目前对ESRD患者的饮食指南是概括的,可能会忽视个体代谢反应.
- 过酸血症和过血症对健康构成重大风险,需要仔细管理营养.
研究的目的:
- 开发贝叶斯分层多变量模型,用于估计ESRD患者个体营养效应.
- 为个性化饮食摄入量创建推算法,以达到正常的血度.
- 调查透析治疗类型对营养反应的影响.
主要方法:
- 收集了37名接受各种透析治疗的ESRD患者的饮食摄入量和实验室数据.
- 开发并估计了贝叶斯分层多变量模型,以捕捉个体患者的反应.
- 从等级结构中提取了个性化的饮食和反应模型.
- 纳入透析治疗类型作为模型中的嵌套因素.
主要成果:
- 在建议和摄入量中发现了显著的个体差异.
- 个性化推往往偏离了一般指导方针,为一些患者建议更丰富的饮食.
- 包括透析治疗类型改善了营养效应模型的适应性,NRMSE从0.078降低到0.003.
结论:
- 个性化的饮食建议可以有效地管理ESRD患者的营养水平.
- 量身定制的营养策略可以减轻营养不良的风险,并改善患者的治疗结果.
- 透析治疗类型显著影响营养反应,应在饮食规划中考虑.
相关概念视频
01:28Antihypertensive Drugs: Potassium-Sparing Diuretics
560
Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
560
01:11Renal Failure: Dose Adjustments
89
In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
89
01:22Heart Failure Drugs: Diuretics
381
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
381
01:23Mechanistic Models: Compartment Models in Individual and Population Analysis
43
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
43
01:27Parentral Nutrition: Centeral and Peripheral Parental Nutrition
162
Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
162
01:29Chronic Pancreatitis II: Collaborative Care
92
The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
Assessment:
92