缺铁性贫血课件.ppt

Etiology病因Clinicalmanifestations临床表现Differentialdiagnosis鉴别诊断Treatment治疗,Iron-DeficiencyAnemia,1,Ironhelpsredbloodcellscarryoxygentothebodyandplaysakeyroleinbrainandmusclefunction.Alackofironinthebloodcanleadtoiron-deficiencyanemia,acommonnutritionaldeficiency.Everyredbloodcellinthebodycontainsironinitshemoglobin,theproteinthatcarriesoxygentothebodystissuesfromthelungs.Irongiveshemoglobinthestrengthtocarry(bindto)oxygenintheblood,sothatoxygengetstowhereitneedstogo.Peoplewhobecomeirondeficientmeansthatthebodycantmakehemoglobin,soitmakesfewerredbloodcells.Thisisaconditioncalledanemia.Ironisessentialtohemoglobinproduction.,2,Etiology,BloodLossGastrointestinalTract胃肠道MenstrualBloodLoss月经失血UrinaryBloodLoss(Rare)尿失血(罕见)BloodinSputum(Rarer)血痰(罕见)IncreasedIronUtilization利用率,生长发育快PregnancyInfancy出生后3-5月Adolescence青春期PolycythemiaVera红细胞增多Malabsorption吸收不良TropicalSprue热带口炎性腹泻Gastrectomy胃切除术Chronicatrophicgastritis慢性萎缩性胃炎insufficientironinthediet.铁摄入不足乳类/谷类食物含铁低,3,Clinicalmanifestations,GeneralHemopoieticsystemRespiratorycommonlyfoundinage6mths2yrsPallor苍白:esp.lips,buccalmucosa口腔黏膜Koilonychia凹甲(spoon-shapednailsTinnitus耳鸣FaintingorfeelingfaintfatigueandweaknessSleepinessHemopoieticsystem造血系统Enlargementofliverandspleen肝脾,6,Respiratorydrybeansandpeas,suchaspintobeans,black-eyedpeas豇豆(Eggyolks蛋黄Iron-enrichedwhitebread,pasta,rice,andcereals谷类,14,15,Etiologicaltreatment,Correctbadhabit(pickyeater挑食)LeadpoisoningParasiteinfection寄生虫感染bloodloss(hookworm十二指肠虫)Congenitalabnormalityofgastrointestinaltract胃肠道的先天性异常Bodychanges-Anincreasedironrequirementandincreasedredbloodcellproductionisrequiredwhenthebodyisgoingthroughchangessuchasgrowthspurtsinchildrenandadolescents.,16,Irontherapy(replacementtherapy),InthemeanwhileadditionsupplyofVitCwillincreaseironabsorption.4-6mg/kg/day(Ferroussulfate硫酸亚铁)Irontherapyshouldproducedanincreaseinthereticulocyte网织红细胞countwithinfewdays,reachingamaximumat7to12days.PatientsshouldbecontinueirontherapyfortwomonthsafterH