产褥感染（英文）课件

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1、PuerperalInfectionUNIONHOSPITALDefinitionPuerperalInfection:PuerperalInfectionisdefinedasallinfectonsoriginatinginthefemalgenitaltractsubsequenttoparturitionPuerperalMorbidity:Puerperalmorbidityisdefinedastemperatureof38℃orhigheronany2ofthefirst10dayspostpartumexclusiveoftheinitial24hoursandto

2、betakenbymouthwithastandardtechniqueatleastfourtimesdailyPuerperalInfectionisaconspicuousdeterminantofpuerperaldisabilityNowadaysitstillrankedastheprimecauseofmaternalmortalityinthecountryEtiology1.PredisposingFactors:(1)Delivery,specialinobstatricmanipulation,prolngedlabor(2)Prematureruptureo

3、fmembrane(3)Multiplepelvicexamination(4)Chorioamnionitis(5)Postpartumhemorrage(6)Traumasofgenitaltractduringlabor2.Organismsinvolvedpuerperalinfection:(1) Aerobicβ-hemolytictreptococciitisthemajorinfectiveagentintroducetedfromoutsideresultinginpuerperalinfection.itcanproduceextratoxin,resultin

4、ginsevereinfectionandsepticemia.Clinicfeature:Pyrexiaofasmuchas38℃inearlyphaseChillsRapidpulserateAbdominaldistensionDelayedinvolutionofuterusTendernessinthepositionofuterusanduterineadnexia(2)AnaerobicStreptococci:Peptococciandpeptostreptococciareusuallyinvolved.Theyaretheorganismsthatnormall

5、yresideinthevagina.Whengenitaltraumaandplacentaretainedoccur,orinthepresenceofdamagedanddevitalizedtissues,theymayreproducepromptlyandbecomepathogenicbacteria.(3)Escherichiacoli:Itisthemajorpathogenicagentresultinsepticemiaandsepticshock,whichresideinthevagina,perineumandurethralorifice.Ithasd

6、ifferentsensitivitytoantibioticsatthedifferentenvironment.(4)Staphylococcus:MajorpathogenicagentincludeStaphylococcusaureusStaphylococcusepidermidisStaphylococcusaureusmaysesultinsevereinfection.Staphylococcusepidermidisresideinvaginanornally,whichmaysesultinlightinfection.(5)Anaerobicbacteroi

7、de:Majorincludingbacteroidefragilisandbacteroidemelaninogenicus.Theyhavethecharacteristicofbloodcoagulationandmayresultinvenousthrombosisofinfetiveposition.PathologyAndClinialPresentation:(1)Acuteexternalgenitaliainflammation,vaginitis,