CN105433902A - 一种腹膜透析瘦体重检测方法 - Google Patents

一种腹膜透析瘦体重检测方法 Download PDF

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CN105433902A
CN105433902A CN201410452230.1A CN201410452230A CN105433902A CN 105433902 A CN105433902 A CN 105433902A CN 201410452230 A CN201410452230 A CN 201410452230A CN 105433902 A CN105433902 A CN 105433902A
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body mass
lbm
lean body
dialysis
height
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董捷
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Peking University First Hospital
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Peking University First Hospital
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Abstract

一种腹膜透析瘦体重检测方法,其特征在于,首先测量被试者手的握力,其次,将受试者手的握力、身高体重、透析月数和性别等参数依照如下方式进行计算:男性的瘦体重=1×4.72+身高的厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数×0.04-26.84;女性的瘦体重=身高厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数×0.04-26.84。

Description

一种腹膜透析瘦体重检测方法
技术领域:
本发明涉及一种医疗检测方法,尤其涉及一种腹膜透析瘦体重检测方法。
技术背景:
腹膜透析(peritonealdialysis,PD)是利用人体自身的腹膜作为透析膜的一种透析方式。通过灌入腹腔的透析液与腹膜另一侧的毛细血管内的血浆成分进行溶质和水分的交换,清除体内潴留的代谢产物和过多的水分,同时通过透析液补充机体所必需的物质。通过不断的更新腹透液,达到肾脏替代或支持治疗的目的。腹膜透析治疗的时候,通过腹膜透析导管将腹膜透析液灌进腹腔。腹腔内腹膜的一侧是腹膜毛细血管内含有废物和多余水分的血液,另一侧是腹膜透析液,血液里的废物和多余的水分透过腹膜进入腹透液里。一段时间后,把含有废物和多余水分的腹膜透析液从腹腔里放出来,再灌进去新的腹膜透析液,这样不断地循环。腹膜透析是治疗肾衰竭的一种重要方式,腹膜透析者是指需要长期进行腹膜透析的以维持体内物质平衡的人群。
肌肉蛋白质储存,是评价人体健康的良好指标,以瘦体重表示,其国际单位为公斤,本发明所得瘦体重也是以公斤作为单位,对于腹膜透析者的营养状态评估有重要的意义。目前,用于测定瘦体重的金标准:同位素水稀释法,或双能X线吸收仪,这两种技术方案以下不足:昂贵、耗时费力,不适合临床常规使用。较为简易的方法有肌酐动力学方法,这种方法测定的瘦体重英文简写为LBM-CK(kg),但是,由于腹膜透析者的肌酐波动较大,故此该方法对于腹膜透析者来讲准确度不高;还有人体测量法估测瘦体重,其英文简写为LBM-A(kg),由于腹膜透析者可能发生水肿或者其他因素导致其较为消瘦,故此,该方法也不准确。
发明内容:
本发明的发明目的在于提供一种可以廉价而简单的腹膜透析瘦体重检测方法,为了完成本发明的目的,本发明采用以下技术方案:
一种腹膜透析瘦体重检测方法,其中,首先测量被试者手的握力,其次,将受试者手的握力、身高体重、透析月数和性别等参数依照如下方式进行计算:
男性的瘦体重=1×4.72+身高的厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数×0.04-26.84;
女性的瘦体重=身高厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数月数×0.04-26.84。
本发明的优点:
握力计的结构简单,使用方便,被广泛的使用,如授权公开号为CN2292283Y的实用新型握力计。本发明根据受试者的握力、性别、身高和体重推算出受试者的瘦体重,这样所得的结果和采用金标准双能X线吸收仪测定呈明显相关,本发明人在实践中不断摸索完成本发明,并验证出它和金标准测量的瘦体重之间差异很小,预测的精确度和准确度较好,提示本发明是瘦体重是简单、实用的检测方法。
具体实施方式
实施例1
建立一种腹膜透析瘦体重检测方法,其中,首先测量被试者手的握力,其次,将受试者手的握力、身高体重、透析月数和性别等参数依照如下方式进行计算:
男性的瘦体重=1×4.72+身高的厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数×0.04-26.84;
女性的瘦体重=身高厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数月数×0.04-26.84。
实施例2
1.实验设计:双能X线吸收仪测定瘦体重法为检测瘦体重的金标准,英文简写为LBM-DEXA,肌酐动力学方法测定的瘦体重英文简写为LBM-CK(kg),人体测量法估测瘦体重的英文简写为LBM-A(kg),使用如实施例1所述的一种腹膜透析瘦体重检测方法检测受试者的瘦体重的英文简写为LBM-H(kg)。本实施例,采取横断面研究对比,对于107名腹透者中的每个人都同时采用LBM-A法、LBM-CK法、LBM-H(kg)和LBM-DEXA法测量其瘦体重,并将LBM-A法、LBM-CK法、LBM-H(kg)所得到结果分别和金标准LBM-DEXA进行比较。
2.实验方法:
选取符合入选标准的腹膜透析者患者107例,均收集一般资料和生化参数,测量握力,以双能X线吸收仪测定瘦体重为金标准,本实施例,采取横断面研究对比,对于107名腹透者中的每个人都同时采用LBM-A法、LBM-CK法、LBM-H(kg)和LBM-DEXA法测量其瘦体重,并将LBM-A法、LBM-CK法、LBM-H(kg)所得到结果分别和金标准LBM-DEXA进行比较。在107例患者中,首先测量被试者手的握力,其次,将受试者手的握力、身高体重、透析月数和性别等参数依照以上公式进行计算。比较本发明实施例估算的瘦体重(LBM-H)和金标准DEXA测定的瘦体重(LBM-DEXA)之间的相关性,分析本发明实施例1的偏差,精确度和准确度。
(1)入选和排除标准
入选标准:腹膜透析者患者,年龄18-80岁,体重指数18.5-30,愿意参加本研究。
排除标准:肢体残缺,近1月内急性合并症住院治疗(全身系统性感染,急性心脑血管病,手术和创伤),全身重度水肿或大量体腔积液,孕期。
(2)观察指标
一般资料:年龄,性别,身高,体重,肾脏病诊断,是否糖尿病,心脑血管病史,Charlson合并症评估
人体测量参数:上臂围,上臂肌围,三头肌皮褶厚度,左右手握力
生化参数:血红蛋白,血白蛋白,前白蛋白,血脂,电解质,CRP,血肌酐和尿素氮,24小时尿蛋白、尿素氮和肌酐
双能X线吸收仪测量瘦体重:采用OrlandSeriesXR-800PenBeamX-rayBoneDensitometer,ILLUminatusDXA4.4.0软件,测量瘦体重。
3.实验结果
(1)根据本发明所得的LBM-H和金标准测定的LBM-DEXA相关系数为0.92,明显高于传统方式LBM-CK和LBM-A和金标准的相关系数,说明本发明优于传统方式,结果见表1。
表1本发明所得瘦体重(LBM-H)和金标准测定瘦体重(LBM-DEXA)之间的相关性好于传统方法
*P<0.001变量间相关系数具有统计学差异
(2)我们进一步考察了本发明(LBM-H)和传统方式的LBM-CK/LBM-A,和金标准测定LBM-DEXA之间的偏差,精确度和准确度,发现LBM-H和LBM-DEXA之间的偏差最小,仅为0.6kg,明显低于LBM-CK/LBM-A和LBM-DEXA之间的偏差。以25和75百分位数差异的95%可信区间表示精确度,LBM-H/LBM-A明显好于LBM-CK的精确度。以各方式所得的LBM和LBM-DEXA之间的偏差是否超过20%的LBM-DEXA来表示准确度,本发明LBM-H的精确度最好,仅8.4%的患者偏差超过20%,明显优于LBM-CK和LBM-A。结果见表2。
表2本发明所得的瘦体重(LBM-H)和金标准测定瘦体重(LBM-DEXA)之间的偏差,精确度和准确度均好于传统方式所得的瘦体重(LBM-CK和LBM-A)
4.结论
综上所述,本发明的瘦体重(LBM-H)和金标准测定的瘦体重(LBM-DEXA)相关性最高,精确度和准确度均好于传统方式所得的瘦体重。
以上描述是对本发明的解释,不是对发明的限定,本发明所限定的范围参见本发明,在不违背本发明的精神的情况下,本发明可以作任何形式的修改。

Claims (1)

1.一种腹膜透析瘦体重检测方法,其特征在于,首先测量被试者手的握力,其次,将受试者手的握力、身高体重、透析月数和性别等参数依照如下方式进行计算:
男性的瘦体重=1×4.72+身高的厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数×0.04-26.84;
女性的瘦体重=身高厘米数×0.28+体重的公斤数×0.27+握力的牛顿数×0.02-透析月数×0.04-26.84。
CN201410452230.1A 2014-09-05 2014-09-05 一种腹膜透析瘦体重检测方法 Pending CN105433902A (zh)

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CN202793560U (zh) * 2012-09-05 2013-03-13 中国计量学院现代科技学院 一种体脂体重测量仪

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CN2156809Y (zh) * 1993-03-05 1994-02-23 中国人民解放军北京军区后勤部军事医学研究所 人体脂肪分析仪
US5853377A (en) * 1997-04-17 1998-12-29 Nestec S.A. System and method for monitoring and analyzing dynamic nutritional status in patients with chronic disease
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Application publication date: 20160330