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placentalabruption2022/11/111

At20weeks’gestationlaterordeliveryterm,wholeorpartialabruptionhavetakenplacebeforesecondstageoflaborforplacentainnormalposition.

Itcomplicates0.462.1%ofallpregnancies.Theperinatalmortalityrateduetoplacentalabruptionis20%-35%presently.Definition2022/11/1122022/11/1131.Vasculardisease

hypertensivedisorderscomplicatingpregnancy(preeclampsia子痫前期)

hypertension

nephrosis(肾病)Etiology2022/11/114Etiology2.mechanicalfactors

trauma

extremeshortnessofumbilicalcord(脐带过短)amniocentesis

(羊膜穿刺术)2022/11/115Etiology3.uterinevolumesuddenlynarrowuterinecavitypressuredrop

fetalpresentationdescentquickly

polyhydramnios(羊水过多)ruptureofmembrane

twins,thefirstonelaborrapidly2022/11/116Etiology4.Venouspressureofuterinesuddenlyheighten

supinehypotensivesyndrome(仰卧位低血压综合症)Venouspressureofuterinesuddenlyheighten

deciduavein’sbedcongestionorruptureplacentalabruption2022/11/117Etiology5.Theothers:Cocaineabuse,smoking,etc.2022/11/118

Basalpathophysiology

:basaldeciduableedinghematomaofposteroplacenta(胎盘后血肿)adhesionplaceabruption1.UteroplacentalapoplexyBleedingintothemyometriumoftheuterusgivingadiscoloredappearancetotheuterinesurface.(calledCouvelairuterus,too库弗莱尔子宫)Pathophysiology

2022/11/1192022/11/11102022/11/11112.Coagulationdisorders

Placentaabruptionresultsfromreleaseofthromboplastin(促凝血酶原激酶)fromthedisruptedplacentaandthesubplacentaldeciduaintothematernalcirculation,causeaconsumptivecoagulopathy(消耗性凝血病).Pathophysiology2022/11/1112

Categories

1.Revealedabruption

Bloodextenddownwardtowardthecervix,resultinginanexternalorrevealedhemorrhage.2022/11/11132022/11/1114

Categories2.Concealedabruption

Bloodmaydissectupwardtowardthefundus,resultinginanconcealedhemorrhage.2022/11/11152022/11/1116Categories3.mixedabruption2022/11/1117clinicalmanifestation

Cardinalsymptom

:suddenabdominalpainandsomevaginalbleeding.

2022/11/1118clinicalmanifestation

ⅠⅡⅢ

area

1/31/3左右1/2categories

revealed

concealed/revealedconcealedsymptom

litterbleedingsuddenabdominalpain

bleedingornobleeding

noabdominalpaindiscrepancyofanemia/bleeding

classicanemia

noanemiadiscrepancybleeding/general

sign

uterinesoft,notendernessuterine>gestationweeksuterinehardnesslikesboard,tenderness,,

uterine/gestationweeksconformityfundusrise,uterine>gestationweeks

fetusgoodtenderness,fetusalivefetalhearttonesdisappear

postpartumcheckplacentauterinecontractionuterinecontractionno

isintermissionintermission,shock2022/11/11191.Ultrasound:auxiliaryexamination

2022/11/11201.Ultrasound:2022/11/1121auxiliaryexamination2.laboratoryexamination

DICexamination

Fibrinolysisconfirmeddiagnosistest

(纤维蛋白溶解确诊试验)

2022/11/1122

Diagnosisaccordingto:

Casehistory,symptom,signandultrasound,itcanbediagnosis.2022/11/11231DICandcoagulationdisorders

2.Postpartumhemorrhage.3.Acutekidneyfailure

(急性肾功衰).4Amnionicfluidembolism;amnioticfluidembolism.(羊水栓塞)5.Fetaldeath.Complication2022/11/1124Therapeuticprinciple:Countershock(抗休克)

PreventionandcureDIC,acutekidneyfailure

.

Terminationofpregnancyintime.

Treatment2022/11/1125TreatmentTerminationofpregnancy:

vaginaldelivery:Ⅰ,inshorttime

cesareansection:Ⅱ,Ⅲ,Ⅰdegreewithfetaldistress(胎儿窘迫);fetaldeathcannotd

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