Merve Ille Hydra Mn Ios

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    DIUdcho

    MarinaMERVEILLE

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    Ra el h siolo i ue

    1000ml34SA

    Diminutionenfindegrossesse: 800ml40SA

    500m 42

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    P ysio ogiedu

    LA

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    ys o og e

    u

    Diurseftaleds14SA:++

    8001200ml/24henfindegrossesse

    Scrtionpulmonaireds18SA:300400ml/24h(=2030%duLA)

    Elimination:

    terme:500ml/h

    lesmembranesftales semipermables>20SApermabilitpassiveactivitmtabolique

    lecordonombilical fluxminimes

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    RAPPELSPHYSIOLOGIELIQUIDEAMNIOTIQUE

    RleduLA:

    Mcanique: dveloppementftalharmonieuxdveloppementpulmonairematurationdelamotricitgastro

    Antibactrien: bactriostatique 28sa

    bactricide 31sa

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    H dramnios:dfinition

    quantitdeLA 2litres

    difficileenpratiquecarapprciationindirecte

    frquence:0,23,5%selonlescritresutiliss

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    Hydramnios:valuation

    chographique

    Mthodesubjective

    am t o e e am er a n:pro on eur e ac terne apluslarge: >8cm => hydramnios

    8

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    +gran e

    c terne

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    H dramnios:valuationcho ra hi ue

    ec n que e e ane o .=>4qua ran s

    ILA>25cm=>Hydramnios

    ILAentre18et25 => Excsdeliquide

    ILA>2535 => Hydramniosmodr

    ILA> cm => H dramniossvre

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    Hydramnios:tableau

    clinique

    Hydramniosaigu: Installationprcoce:2trimestre Principalescauses:STT,chorioangiome

    Mauvaisetolrancematernelle(MAP)=>ponctionvacuatrice

    y ramn osc ron que Installationprogressive, +tardif

    Causesouventinconnue(30%) Meilleurpronostic

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    Etiopat og nie

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    Hydramnios:

    tiopat og nieMcanisme: dsquilibreentreproductionetlimination

    ro uc onexcess ve: polyurieftale

    facteurmaternel=diabte

    facteurftal=cardiopathie,infection dfautderevtementcutan

    Dfautd limination:

    anomaliedeladglutition obstacledigestif

    membranesamniochoriales ?

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    H dramnios:tiolo ies

    Maternelles:25%

    Chromosomiques:3%

    opat que:30

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    scrtion scrtion

    STT Causesdanasarque: Choriangiome Diabte,macrosomie

    Anomalieslymphatiques MonosomieXO

    Anoma ieFTN Immunisationfoeto

    Anmies Compressions(chylothorax,

    Insuffisancecardiaque

    Shunt(veinedeGalien,

    tratomesacrococcygien) Sd Bartter (polyurie),sd

    nphrotiquefinlandais

    Hypoprotidmie Maladiesmtaboliques

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    rabsorptionrabsorption

    Com ression: Troublesdglutition Tumeur Epanchement

    Sd PierreRobin 22q11 Neuro :Steinert

    Chylothorax MAKP

    Myogne Myasthnie

    Atrsiesophage(typeIetII

    surtout)

    Ostochondrodysplasies

    Hypomobilit : tr s e uo na eChromosomes(T21)

    Sd Prader Willi Pathologieneuromusculaire

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    scrtion :shunts

    Syndrometransfuseur

    transfus

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    scrtion :shunts

    Chorioangiome

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    scrtion :shunts

    Anvrismeveine

    de

    Galien

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    scrtion :shunts

    Tratomesacrococc ien

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    scrtion :anasarque

    Anasarque

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    ParvovirusB19scrtion :anmie

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    scrtion :anmie

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    scrtion :anomalieFTN

    Spinabifida

    l

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    scrtion :polyurie

    Sd deBartter

    b i l i

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    rabsorption :causespulmonaires

    MAKP

    b i l i

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    rabsorption :causespulmonaires

    Hydrothorax

    b ti di ti

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    rabsorption :causesdigestives

    Stnoseduodnale

    b ti di ti

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    rabsorption :causesdigestives

    rabsorption : causes digestives

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    rabsorption :causesdigestives

    Atrsiedu rle

    rabsorption : causes digestives

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    rabsorption :causesdigestives

    Herniedia hra mati ue

    rabsorption : trouble dglutition

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    rabsorption :troubledglutition

    Sd dePierre

    Robin

    rabsorption : immobilisme foetal

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    rabsorption :immobilismefoetal

    r rogryppose

    rabsorption: anomalie K

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    rabsorption:anomalieK

    Trisomie18

    Consquence : MAP

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    Consquence:MAP

    Echo ra hieducol

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    me me Hydramniossvre

    Anomaliemorpho

    Hydramniosminime

    Pasdanomaliemorpho RCIU Pasdediabtenimacrosomie

    Macrosomie Et/oudiabte er

    Caryotype

    >80%danomalies Pasdecar ot e

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    Conclusion:

    !

    mfiance

    Seulement65%danomalies

    dia nostiquesenantnatal

    persisterjusquenpostnatal

    Informationprnatalepru en ee r serv e

    OLIGOAMNIOS fi i i

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    OLIGOAMNIOS Dfinition

    LaplusfrquentedesanomaliesduLA

    0,44%

    uantitdeLApronosticmdiocre

    Anamnios:absencetotaledeLA

    OLIGOAMNIOS Cli i

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    OLIGOAMNIOS Clinique

    Hauteurutrine

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    OLIGOAMNIOS Echographie

    OLIGOAMNIOS Di ti ECHO

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    OLIGOAMNIOS DiagnosticECHO

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    OLIGOAMNIOS Etiologies (1)

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    OLIGOAMNIOS Etiologies(1)

    Avant28sa => ++malformationsAprs28sa =>autrestiologies

    Eliminerruptureprmaturedesmembranes

    SiRPMvidente => pronosticfonctionprcocitAvant2224sa : risquedhypoplasiepulmonaire++

    OLIGOAMNIOS Etiologies (2)

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    OLIGOAMNIOS Etiologies(2)

    etrnales

    Agnsiernalebilatrale1/3000++chezles ar ons x2 Risquercurrence

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    g n s er na e

    a ra e

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    namn os

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    Dysplasiernale

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    OLIGOAMNIOS Etiologies(4)

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    g (4)

    Causesfoetales

    Rnales(suite):

    ,Oligoamnios morphologiernaleconserve

    (dysplasietubulairernale)

    RCIU=>diminutiondiurseftalecorrlationentresvritoli oamniosetfrquencedesmalformationsetdesRCIU

    oligoamnios associdans0,610%++triplodieT18T13monosomie

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    Dysplasietubulaire

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    Valvesde

    lurtre

    postrieur

    OLIGOAMNIOS Etiologies(5)

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    g 5

    CausesMaternelles

    Insuffisanceutroplacentaire

    Hypovolmie

    HypertensionartriellePrclampsie

    IatrogneAINS,IEC

    Collagnose

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    OLIGOAMNIOS Pronostic

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    Hypoplasiepulmonaire:

    Par: compressionextrinsquepasdemvts respiratoires

    surfacepithlialealvolaire

    acteurs=> ate esurvenue++

    dured exposition

    19sa 5025sa 10%

    Risquessi:Survenueprcoce1726SA(phasecanaliculaire)Oligoamnios svreILA1sem 1mois

    OLIGOAMNIOS Bilaninitial

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    c ograp emorp o og que++ c eDopplerombilicaletdopplersutrins

    Croissancesousestime

    ++aidedelamnioinfusion

    Pourcomplterl tudemorphologique

    Srolo iesinfectieuses CMV++

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    ANASARQUE

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    ANASARQUEFOETOPLACENTAIRE

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    Physiopathologie4situations:

    delapressionhydrostatiqueintravasculaire par

    ,auretourveineux)

    delapressiononcotiqueplasmatique=hypoalbuminmie

    delapermabilitcapillaire

    s ruc onau uxymp a que=syndromedeTurner/syndromedeNoonan

    ANASARQUEFOETOPLACENTAIRE

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    AspectchographiqueDiagnosticpositif

    2Prciselaquantitdeliquideamniotique

    ++Hydramnios

    2535%descas:oligoamnios

    3Permetunetudemorphologique

    URGENCEdiagnostiqueetthrapeutique+++

    ANASARQUEFOETOPLACENTAIRE

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    AspectchographiqueDiagnosticpositif

    1 PrciselaspectdelAFP:

    mesouscutan 5mm ++pr ronta

    .panchementpricardique(pointeducur)(=1des remierssi nes

    .panchementpleural

    .ascite(prihpatiqueansesintestinalestrop

    env s es.placentapais 6cm

    ANASARQUEFOETOPLACENTAIRE

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    CAUSESIAFPI: immun

    EchecdeprventiondelalloImmunisation antiD

    Alloimmunisation autrequedanslesystme

    rhsusstandard

    Atteinteftaleproportionnellel anmie

    Thrapeutiquepossible: transfusionsinutero

    ANASARQUEFOETOPLACENTAIRE

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    CAUSESIIAFPNI (environ100causes)

    6tiologies 75%desAFPNI

    ygromaco 30anomaliescardiaques 20%

    tratomesacrococcygien 3%s ndrometransfuseurtransfus 3%chorioangiome placentaire 1,5%

    25%AFPNI idiopathiques20%AFPNI anom.Chromosomi ues

    (T18/T21/T13/Turner/.)

    Insuffisancecardiaqueftale Anasarque

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    ur n m e ompress on

    .Tbles RCF Hmolyse MKAP,squestrTbles mtaboliques Foetopathie (PVB19,CMV) Epanchements

    noma e umeurs t ratome asses yst ques

    Tbles maternels(lupus) SquestrationGR MaladiesosseusesFoetopathie infectieuse sclroseBournevilleTumeurcardiaque pricardite,chyloMalform.multiples

    Shunts Hypoprotidmie

    Tumeurs(tratome) TumeursSd TT Fuiteprotidique

    v.Gallien Maladiehpatique

    acardiaque Porphyrie

    ANASARQUEFOETOPLACENTAIRE

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    BILAN1Exclurecauses immunologiques:RAI

    2AFPNI:

    . an n ec eux ,ru o e, , oxo, 19, erp s.TestdeKleihauer.

    =>Sibilanngatif`=>bilanpluspouss

    3Prlvementsovulaires:

    .LApourcaryotype

    .Sangftalpourcaryotype,numrationglobulaire

    ANASARQUEFOETOPLACENTAIRE

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    Traitementinutro

    Troublesdurythmesupraventriculaires :

    Chylothorax :panchementpleural+anasarque

    drainageinutero => mortalitde50%

    Anmieftale:

    transfusioninutero recherchePVB1hmorragiefoetomatern.)

    S ndromeTransfuseurTransfus :laser

    Ftusacardiaque :coagulationslectivecordon

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    Anasarque:CAT

    Urgencediagnostiqueetthrapeutique(sipossible):risquedeSFA

    Csarienneenurgencepoursauvetageftalparfois

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    nasarque

    ygroma

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    Anasarque:parvovirus

    B19

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    Anasarque:ascite

    CMV

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    Anasarque:hydrothorax

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    FIN