infection acute purulent infection of the skin 外科感染的急性化脓性感染的皮肤课件

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1、SurgicalInfection.AcutePurulentInfectionoftheSkinandCellularSpaces.Lecture:ClassificationofthesurgicalinfectionsAcutesurgicalinfections.Chronicsurgicalinfections.AcutepurulentsurgicalinfectionsAcutepurulentaerobicinfections.Acuteanaerobicinfections.Acutespecificinfect

2、ions.Viralinfections.AcutePurulentAerobicInfectionsThecauseofthemostfrequentlypurulentsurgicalinfectionsit's:Staphylococcalinfections.Streptococcalinfections.Gram-negativeinfections.Mixedbacterialinfections.Fiveclassicallocalsignsofinflammationare:Heat-theinflamedareaf

3、eelswarmerthanthesurroundingtissues.Rednessoftheskinovertheinflamedarea.Tenderness,duetothepressureofexudateonthesurroundingnerves.Swelling.Lossoffunction-aninflamedtissuedoesnotperformpossibleitsphysiologicalfunction.Boil(Furuncles)Boilconstituteoneoftheverywidespread

4、purulentdiseasesofthehairfollicleandsebaceousBoil(Furuncles)Boil(Furuncles)Complicationsboilmayleadtocellulilis,particularlyinthosewhosepowerofimmunityisless.boilsmayalsoleadtoinfectionoftheneighbouringhairfollicleswherenumbersofhairfolliclesaretoomany(e.g.axilla)leadi

5、ngtohydradenitis.boilsusuallysecondarilyinfecttheregionallymphnodes.HydradenitisTreatmentThegeneralhealthofthepatienthastobeimproved,asboilsoftenoccurinindividualswithdebilityandill-health.Incisionisusuallyunnecessaryasthepustuleisverysmall.Onlyatouchofiodineontheskinp

6、ustulewillhastennecrosisoftheoverlyingskinandhelpthepustodrainout.Ifescapeofpusdoesnotoccurspontaneouslyorwithapplicationofiodine,removaloftheaffectedhairallowsreadyescapeofpus.Antibioticisusuallynotrequired.Afterescapeofpusthisplacetshouldbecleanedtwicewithasuitabledi

7、sinfectante.g.hexachlorophene.Ifboilsarerecurrent,diabetesshouldbeexcluded.CarbunclesAfterpenetrationofpyogenicbacteriaundertheskinthroughhairfolliclesandsebaceousglandstheprocessspreadsindepth,iftheconditionsareunfavourabletothebody,andaffectsconsiderablesectionsofsub

8、cutaneoustissue.ItisaninfectivegangreneofthesubcutaneoustissueduetoStaphylococcal(Staphylococcusaureus)infection.Gram