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如何评估亨廷顿病患者的身体成分。一项使用多频率生物阻抗的横断面观察性研究。

How to estimate body composition in Huntington's disease. A cross-sectional, observational study using multiple frequencies bioimpedance.

机构信息

Fundación Burgos por la Investigación de la Salud, Burgos, España.

Universidad de Burgos, Burgos, España.

出版信息

Rev Neurol. 2024 Jan 1;78(1):17-25. doi: 10.33588/rn.7801.2023224.

DOI:10.33588/rn.7801.2023224
PMID:38112653
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11064940/
Abstract

INTRODUCTION

Huntington´s disease (HD) is a rare neurodegenerative disorder. Reliable information about nutritional status, especially body composition from individuals with HD is critical for clinical care and research. The ease of application and portability of multiple frequencies bioelectrical impedance analysis (mfBIA) make it an attractive tool for measuring body composition, but its accuracy in HD is unknown.

AIM

To evaluate the accuracy of mfBIA vs. Dual X-ray absorptiometry (DEXA) in HD.

PATIENTS AND METHODS

Cross-sectional, observational, and single-center study. HD severity was measured using motor subscale of the unified Huntington´s disease rating scale (m-UHDRS) and the total functional capacity (TFC). Body composition was measured in terms of fat-free mass (FFM), fat mass (FM), fat-free mass index (FFMI), and fat mass index (FMI). Using Bland-Altman plots, we analyzed reliability between DEXA and mfBIA using the Intraclass Correlation Coefficient with 95% confidence intervals (CI) and bias estimates for all.

RESULTS

We included 16 patients with HD, 7 men, and 9 women, median age of 58.5 (32;68) years, TFC: 10 (3;13), and m-UHDRS: 31 (7;85). The reliability between mfBIA and DEXA were high for FFMI in men: 0.88 (95% CI 0.17-0.98), and women: 0.90 (95% CI 0.61- 0.98); for FMI, men: 0.97 (95% CI 0.83-0.99), and women: 0.91 (95% CI 0.68-0.98). Compared to DEXA, mfBIA slightly overestimated FFM, FM, FMI and FFMI in men and underestimated FFMI in women.

CONCLUSIONS

mfBIA is an easy-to-use, safe, non-invasive, accurate method for measuring body composition and nutritional status in patients with mild-moderate HD.

摘要

简介

亨廷顿病(HD)是一种罕见的神经退行性疾病。可靠的营养状况信息,特别是 HD 患者的身体成分信息,对于临床护理和研究至关重要。多频生物电阻抗分析(mfBIA)的应用简便性和便携性使其成为测量身体成分的有吸引力的工具,但它在 HD 中的准确性尚不清楚。

目的

评估 mfBIA 与双能 X 射线吸收法(DEXA)在 HD 中的准确性。

患者和方法

这是一项横断面、观察性和单中心研究。使用统一亨廷顿病评定量表的运动子量表(m-UHDRS)和总功能能力(TFC)来衡量 HD 的严重程度。身体成分以去脂体重(FFM)、脂肪量(FM)、去脂体重指数(FFMI)和脂肪量指数(FMI)来衡量。我们使用 Bland-Altman 图,通过 95%置信区间(CI)的组内相关系数分析 DEXA 和 mfBIA 之间的可靠性,并对所有结果进行偏差估计。

结果

我们纳入了 16 名 HD 患者,其中 7 名男性,9 名女性,中位年龄 58.5(32;68)岁,TFC:10(3;13),m-UHDRS:31(7;85)。男性 mfBIA 与 DEXA 的 FFMI 可靠性较高,为 0.88(95%CI 0.17-0.98),女性为 0.90(95%CI 0.61-0.98);对于 FMI,男性为 0.97(95%CI 0.83-0.99),女性为 0.91(95%CI 0.68-0.98)。与 DEXA 相比,mfBIA 略微高估了男性的 FFM、FM、FMI 和 FFMI,低估了女性的 FFMI。

结论

mfBIA 是一种易于使用、安全、无创、准确的方法,可用于测量轻度至中度 HD 患者的身体成分和营养状况。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/6e17661c2f2b/RN-78-17en-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/69bca3cc6ad6/RN-78-17-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/6e17661c2f2b/RN-78-17en-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/69bca3cc6ad6/RN-78-17-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/553960f45c33/RN-78-17-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/e082410b0923/RN-78-17-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eb6/11064940/73d8cc8d7e9e/RN-78-17en-g001.jpg
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