早产儿生长曲线图资料下载.pdf
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早产儿生长曲线图资料下载.pdf
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TECHNICALADVANCEOpenAccessAsystematicreviewandmeta-analysistorevisetheFentongrowthchartforpreterminfantsTanisRFenton1,2*andJaeHKim3AbstractBackground:
@#@Theaimofthisstudywastorevisethe2003FentonPretermGrowthChart,specificallyto:
@#@a)harmonizethepretermgrowthchartwiththenewWorldHealthOrganization(WHO)GrowthStandard,b)smooththedatabetweenthepretermandWHOestimates,informedbythePretermMulticentreGrowth(PreMGrowth)studywhilemaintainingdataintegrityfrom22to36andat50weeks,andtoc)re-scalethechartx-axistoactualage(ratherthancompletedweeks)tosupportgrowthmonitoring.Methods:
@#@Systematicreview,meta-analysis,andgrowthchartdevelopment.Wesystematicallysearchedpublishedandunpublishedliteraturetofindpopulation-basedpretermsizeatbirthmeasurement(weight,length,and/orheadcircumference)references,fromdevelopedcountrieswith:
@#@Correctedgestationalagesthroughinfantassessmentand/orstatisticalcorrection;@#@Datapercentilesaslowas24weeksgestationalageorlower;@#@Samplewithgreaterthan500infantslessthan30weeks.Growthcurvesformalesandfemaleswereproducedusingcubicsplinesto50weekspostmenstrualage.LMSparameters(skew,median,andstandarddeviation)werecalculated.Results:
@#@Sixlargepopulation-basedsurveysofsizeatpretermbirthrepresenting3,986,456births(34,639births30weeks)fromcountriesGermany,UnitedStates,Italy,Australia,Scotland,andCanadawerecombinedinmeta-analyses.Smoothgrowthchartcurvesweredeveloped,whileensuringcloseagreementwiththedatabetween24and36weeksandat50weeks.Conclusions:
@#@Therevisedsex-specificactual-agegrowthchartsarebasedontherecommendedgrowthgoalforpreterminfants,thefetus,followedbytheterminfant.Thesepretermgrowthcharts,withthedisjunctionbetweenthesedatasetssmoothinginformedbytheinternationalPreMGrowthstudy,maysupportanimprovedtransitionofpreterminfantgrowthmonitoringtotheWHOgrowthcharts.Keywords:
@#@Infant,Premature,Infant,verylowbirthweight,Preterminfant,Growth,Weight,Headcircumference,Length,PercentileBackgroundTheexpectedgrowthofthefetusdescribesthefastesthumangrowth,increasingweightoversix-foldbetween22and40weeks.Preterminfants,whoarebornduringthisrapidgrowthphase,relyonhealthprofessionalstoassesstheirgrowthandprovideappropriatenutritionandmedicalcare.In2006,theWorldHealthOrganization(WHO)publishedtheirmulticentregrowthreferencestudy,whichisconsideredsuperior1topreviousgrowthsurveyssincethemeasuredinfantswereselectedfromcommunitiesinwhicheconomicswerenotlikelytolimitgrowth,amongculturallydiversenon-smokingmotherswhoplannedtobreastfeed2.Weeklylongitudinalmeasuresoftheinfantsweremadebytraineddatacollectionteamsduringthefirst2yearsofthisstudy3.TheseWHOgrowthcharts,althoughrecommendedforpreterminfantsaftertermage4,beginattermandsodonotinformpreterminfantgrowthassessmentsyoungerthanthisage.*Correspondence:
@#@tfentonucalgary.ca1AlbertaChildrensHospitalResearchInstitute,TheUniversityofCalgary,Calgary,AB,Canada2DepartmentofCommunityHealthSciences,TheUniversityofCalgary,3280HospitalDriveNW,Calgary,AB,CanadaFulllistofauthorinformationisavailableattheendofthearticle2013FentonandKim;@#@licenseeBioMedCentralLtd.ThisisanOpenAccessarticledistributedunderthetermsoftheCreativeCommonsAttributionLicense(http:
@#@/creativecommons.org/licenses/by/2.0),whichpermitsunrestricteduse,distribution,andreproductioninanymedium,providedtheoriginalworkisproperlycited.FentonandKimBMCPediatrics2013,13:
@#@59http:
@#@/growthofpreterminfantsisconsideredtobeequivalenttointrauterinerates5-7sinceasuperiorgrowthstandardhasnotbeendefined.Perhapsthebestestimateoffetalgrowthmaybeobtainedfromlargepopulation-basedstudies,conductedindevelopedcoun-tries8,whereconstraintsonfetalgrowthmaybelessfrequent.Arecentmulticentrestudybyourgroup(thePretermMulticentreGrowth(PreMGrowth)Study)revealedthatalthoughthepatternofpreterminfantgrowthwasgener-allyconsistentwithintrauterinegrowth,thebiggestdevi-ationinweightgainvelocitybetweenthepreterminfantsandthefetusandinfantwasjustbeforeterm,between37and40weeks(FentonTR,NasserR,EliasziwM,KimJH,BilanD,SauveR:
@#@Validatingtheweightgainofpretermin-fantsbetweenthereferencegrowthcurveofthefetusandtheterminfant,ThePretermInfantMulticentreGrowthStudy.SubmittedBMCPed2012).Ratherthandemon-stratingtheslowinggrowthvelocityoftheterminfantduringtheweeksjustbeforeterm,thepreterminfantshadsuperior,closetolinear,growthatthisage.Thisfindinghasbeenobservedbyothersaswell9-11.Therefore,thereisevidencetosupportasmoothtransitionongrowthchartsbetweenlatefetalandearlyinfantages.Severalpreviousgrowthchartsbasedonsizeatbirthpresent
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