[1]姜航,程木华,张丽娜,等.修正Gates’法测定肾小球滤过率的初步研究[J].中华腔镜泌尿外科杂志(电子版),2017,11(06):398-403.[doi:10.3877/cma.j.issn.1674-3253.2017.06.010 ]
 Jiang Hang,Cheng Muhua,Zhang Lina,et al.The modification of the measuring method of glomerular filtration rate with dynamic renal imaging by Gates' method[J].,2017,11(06):398-403.[doi:10.3877/cma.j.issn.1674-3253.2017.06.010 ]
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修正Gates’法测定肾小球滤过率的初步研究()
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中华腔镜泌尿外科杂志(电子版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
11
期数:
2017年06期
页码:
398-403
栏目:
临床研究
出版日期:
2017-11-30

文章信息/Info

Title:
The modification of the measuring method of glomerular filtration rate with dynamic renal imaging by Gates' method
作者:
姜航1程木华2张丽娜1张亚琴3
510630 广州,中山大学附属第三医院放射科1,核医学科2;510900 珠海,中山大学附属第五医院放射科3
Author(s):
Jiang Hang1 Cheng Muhua2 Zhang Lina1 Zhang Yaqin3.
1Department of Radiology, 2Department of Nuclear Medicine, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630,China; 3Department of Radiology, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 510900,China
关键词:
慢性肾脏病 肾小球滤过率肾动态显像 血浆清除率
DOI:
10.3877/cma.j.issn.1674-3253.2017.06.010
摘要:
目的 拟合新的肾小球滤过率(GFR)估算公式并验证,从而探讨对Gates’ 法测定GFR 进行修正的可行性。方法 收集2011 年9 月至2016 年3 月于中山大学附属第三医院就诊的慢性肾脏病(CKD)成人患者资料,符合入选标准病例共229 例,以双血浆法测定出GFR(记为rGFR),应用传统Gates’ 方程计算GFR(记为gGFR),以rGFR 为标准将CKD 患者按全球肾脏病预后组织(KDIGO)指南分期,将全部病例行分层(按期别)随机抽样分为A、B 两组。以A 组患者应用肾动态显像得出的双肾放射性摄取率为自变量,以rGFR 为因变量行回归分析,拟合出最优曲线,得出新的GFR 估算公式。将新公式应用于B 组数据,得出新的GFR 与rGFR 行配对t 检验,并运用Spearman 秩相关分析,Bland-Altman 一致性检验及准确性比较。结果 经新拟合方程计算的GFR(线性拟合记为GFRl,曲线拟合记为GFRc)及gGFR 均与rGFR 密切相关(P<0.01)。GFRl、GFRc 与rGFR 相关性高于gGFR(r=0.885)。GFRc 与rGFR 的一致性最好,一致性界限范围最小(-27.8,29.6),偏离度最低[ 偏差和绝对偏差分别为-0.90、11.64 ml·(min·1.73 m2-1]。GFRl 次之。Gates’ 法gGFR 与rGFR 的一致性最差,一致性界限范围超过事先规定的专业界值60 ml·(min·1.73 m2)-1。准确性比较,GFRl、GFRc 及gGFR 的±30% 病例符合率分别为75.2%、73.5%、62.8%,gGFR 与GFRl、GFRc 比较差异具有统计学意义(P<0.01)。结论 新拟合方程计算的GFR 与双血浆法GFR 具有较好的相关性和一致性,其准确性优于Gates' 方程,对Gates' 方程能够起到一定的修正作用。三次拟合方程评估GFR的一致性及准确度最佳。

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备注/Memo

备注/Memo:
基金项目:珠海市医疗卫生科技计划项目(20171009E030011)
通讯作者:张亚琴,Email:zhyaqin@mail.sysu.edu.cn
更新日期/Last Update: 2017-12-25