跳至主要内容
临床试验/NCT06873880
NCT06873880招募中不适用

Integrating Bioelectrical Impedance Analysis and Estimated Glomerular Filtration Rate: A Novel Approach to Assessment of Nutritional Status of Hemodialysis Patients

University of Tartu1 个研究点 分布在 1 个国家目标入组 30 人开始时间: 2025年2月10日最近更新:

试验速览

阶段
不适用
状态
招募中
入组人数
30
试验地点
1
主要终点
Correlation between body composition and estimated glomerular filtration rate

研究概览

简要总结

This study looks at how measurements of body composition from Bioelectrical Impedance Analysis (BIA) and estimates of kidney function (eGFR) can be applied together to better assess the health of people on hemodialysis. Many dialysis patients struggle with malnutrition, muscle loss, and fluid imbalances, but current assessment methods rely on unsophisticated tests and observations. By combining BIA and eGFR, this study aims to provide a more accurate and non-invasive way to monitor nutrition and overall health, which could lead to better treatment decisions and improved patient outcomes.

详细描述

The primary objective of the study is to assess the correlation between Bioelectrical Impedance Analysis (BIA) derived body composition parameters (e.g.fat mass, fat-free mass, total body water, phase angle) and estimated glomerular filtration rate (eGFR) in hemodialysis patients.

The study will investigate how BIA and eGFR can be used together to more effectively monitor nutritional interventions in hemodialysis patients. The study will also assess the prevalence of malnutrition and protein-energy wasting (PEW) in the study population using BIA and eGFR data.

Hemodialysis patients often suffer from complex nutritional problems due to the interplay between renal function, protein-energy wasting and fluid management. Current nutritional assessments in hemodialysis patients are limited, most of which rely on clinical observations or quite basic biochemical tests. A more comprehensive, non-invasive approach is needed to assess both nutritional status and fluid balance. The study will determine whether comparing BIA metrics with eGFR provides a better picture of a patient's nutritional and renal health, which could then improve patient outcomes and dialysis management.

Malnutrition, fluid imbalances, and protein-energy wasting (PEW) are common in patients undergoing hemodialysis due to chronic kidney disease (CKD) and the effects of dialysis therapy. Nutritional status is a critical factor influencing patient outcomes in CKD, but is often under-monitored.

Traditional methods of assessing renal function, such as estimated glomerular filtration rate (eGFR), provide insight into renal health but do not directly measure body composition or nutritional status. Bioelectrical Impedance Analysis (BIA), in contrast, provides a detailed picture of body composition, including fat mass, fat-free mass, total body water, and phase angle. The aim of this study is to investigate the relationship between BIA-derived markers of nutritional status and eGFR to assess their combined utility in assessing nutritional status in hemodialysis patients.

研究设计

研究类型
Observational
观察模型
Cohort
时间视角
Prospective

入排标准

年龄范围
18 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Chronic kidney disease Hemodialysis for at least 6 months

排除标准

  • Pregnancy Lactation Major second pathology Pacemaker Recent surgery

结局指标

主要结局

Correlation between body composition and estimated glomerular filtration rate

时间窗: 3 months

The primary outcome measure of this study is the correlation between body composition as fat free mass (kg) derived from Bioelectrical Impedance Analysis (BIA) and estimated glomerular filtration rate (eGFR) (ml/minute) in hemodialysis patients.

次要结局

  • Assessment of malnutrition in patients on chronic hemodialysis(3 months)
  • Assessment of body composition in patients on chronic hemodialysis(3 months)
  • Assessment of phase angle in patients on chronic hemodialysis(3 months)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Alastair Forbes

Professor of Medicine

University of Tartu

研究点 (1)

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