妊娠期特异性甲状腺相关指标的参考范围

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339

.临床研究.

妊娠期特异性甲状腺相关指标的参考范围

张杨

刘芳高燕明

孙伟杰杨慧霞

黄有媛张薇王宝京

郭晓蕙

苏世萍

高莹

【摘要】

(thyroid

目的建立妊娠期特异性甲状腺相关指标参考范围,探讨孕早期血清促甲状腺激素

hormone,TSH)参考范围的制定方法。方法收集2013年6月至2014年4月在北

stimulating

京大学第一医院就诊的早孕妇女548名;筛选上述人群中符合美国临床生化研究院推荐标准:单胎妊娠、无妊娠不良结局及产科并发症的孕妇254名,采用序贯的研究方法建立妊娠特异参考范围。检测

血清TSH、总甲状腺素(rr】:'。)、游离甲状腺素(I■),应用热消解法检测部分孕妇的尿碘水平。本研究

通过北京大学第一医院临床研究伦理委员会审查。结果研究获得的我院妊娠期特异性甲状腺相关指标参考范围如下:T1期参考范围:TSH

20.81

0,23~4.08

mU/L,nj92.59—186.25nmol/L,Fr413.36~

pmol/L;T2药q:TSH0.78—4.25mU/L,TrIj103.20~180.95nmol/L,F1j11.57~16.62pmol/L;

T3期:TSH0.65—4.52mU/L,Tr478.20~174.70nmol/L,FT。】0.01~20.57pmol/L。与孕4—6周组

比较,孕7—12周组血清TSH水平有降低趋势,但差异元统计学意义(P=0.063)。部分孕妇T1(n=95)、T2(n,=199)、乃(n=70)期的尿碘中位数分别为211.60、195.55、198.65¨∥L,均属于碘适量范围。结论妊娠期妇女血清甲状腺激素水平与试剂盒的参考范围存在差异,且妊娠各期之间亦存在明显不同。在早孕期,分别建立孕4~6周、孕7—12周的血清TSH参考范围可能更为合理。

【关键词】

妊娠;

甲状腺功能试验;参考值;

尿碘

基金项目:新世纪优秀人才支持计划(NCET一11-0003);北京市科技新星计划(2011叭1)

Establishmentofreferencerangesforthyroid-relatedindicatorsinnormalpregnantwomenYang‘,LiuFang,Sun

Zhang

Weijie,HuangYouyuan,ZhangWei,WangBaojing,SuShiping,Gaoyi昭,Gao

Yan,ruing,‰增Huixia,GuoXiaohui+DepartmentofEndocrinology,PekingUniversityFirstHospital,Bej扫皤100034,China

Correspondinga以hor:Gaon增,Entail:bjgaoying@yahoo.tom

ToestablishthegestationaJage—speci6creferencerangesforthyroid—related【Abstract】Objective

indicatorsofpregnantwomeninfirsttrimester.Methods

Our

hospital,especiallyforserumthyroidstimulatinghormone(TSH)inthe

pregnant

womenin

Atotalof548

to

thefirsttrimesterwere

collectedinPeking

Univel’sityFirstHospitalfromJune2013whoconformed

outcomes

to

April2014.Amongthem,254pregnantyeomenwithsinglefetusof

Clinicalenrolled

in

theNational

Academy

Biochemistl3'criteria,withoutthe

current

adverse

their

pregnancyown

andobstetric

complications.werestudy.To

establish

free

self-

sequentiallongitudinalreferenceintervals,serumTSH,totallevels

were

thyroxine(巩)andthyroxine(巩)

measuredusingSiemensdetectionkitsduringthreedifferenttrimesters.Urineiodine(UI)was

Thegestationalage-specific

hospitalwereasfollows:inthefirst

pmol/L;inthe

measuredusingdigestioninstrumentinsomeofthepregnantwomen.Resultsreferencerangesforthyroid—relatedindicatorsofpregnantwomenintrimester:TSH0.23—4.08

our

mU/L,TT492.59—186.25nmoL/L,Fr413.36—20.81

secondtrimester:"ISH0.78—4,25mU/L,TT4103.20—180.95nmoL/L,FT411.57—16.62pmoVL;inthethirdtrimester:TSH0.65—4.52ThemedianlevelofTSHduring7

no

mU/L,rlT478.20—174.70nmoL/L,FT4】O.0l一20.57pmoL/L.

12weeksofgestationalagewaslowerthanthatof4to6weeks,butwith

significantstatisticaldifference(P=0.063).ThemediansofUIduringthreetrimestersofpregnancy

to

were

211.60“∥I。,195.55耻∥L

and

198.65斗g/L,respectively,which

al’e

were

allclassified

as

adequate

are

iodinestatus.Conclusions

Thegestationalage—specificreferencerangesforthyroid—relatedindicators

differentfromthekits’referenceranges,whichalsodifferentamongthethreetrimesters.Itmaybemore

DOI:10.3760/cma.j.issn.0376 2491.2016.05005

作者单位:100034北京大学第一医院内分泌科(张杨、刘芳、黄有媛、高莹、高燕明、郭晓蕙),妇产科(孙伟杰、王宝京、苏世萍、杨慧霞).检验科(张薇)

通信作者:高莹,Email:hjgaoying@yahoo.Coin

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