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UpperGastrointestinalBleeding(UGIB)ZhengJianweiDepartmentofGastroenterologyTheFirstAffiliatedHospitalofXiamenUniversityUpperGastrointestinalBleeding(UGIB)abbreviation1.DefinitionWhereisuppergastrointestinal(UGI)tract?WhatisacuteupperGIbleeding?WhatismassiveUGIB?1.DefinitionWhereisuppergastrointestinal(UGI)tract?WhatisacuteupperGIbleeding?WhatismassiveUGIB?DefinitionQ:HowmanypartsoftheGI(gastrointestinal)tract
aredividedinto?Q:Whataretheanatomicaldemarcation(landmark)s?WhereisUGItract?UpperGI(UGI):proximaltotheligamentofTreitz.LowerGI(LGI):DistaltotheligamentofTreitz
(OldEdition).
Mid-GI(MGI):FromtheligamentofTreitztotheileocecalValve(8thedition)LigamentofTreitzIleocecalValvePapillaofVater
Distaltotheileocecalvalve(NewEdition)Q:Whatistheligamentof
Treitz?
isananatomiclandmarkfortheduodenal-jejunaljunctionQ:WhereisthepapillaofVater?
animportantlandmark,halfwayalongthesecondpartoftheduodenumDefinitionWhereisUGItract?Q:ArethereanyspecialinUGI?
Specialenvironment:
gastricacid,pepsinQ:WhydotheyhavedifferentanatomiclandmarkofUGI,theligamentofTreitz
orthepapillaofVater?Asthelowerbendoftheduodenumisnotalwaysreachedwithstandardgastroscopy,tosettheboundarytothepapillaofVater,allbleedingsitescanbereachedandtreatedendoscopically.StandardgastroscopyDefinitionWhereisUGItract?
DotheybelongtoUpperGastro-intestinalBleeding?Q:Bleedingfrombileduct,pancrease?fromjejunumneargastrointestinalanastomasis?frommouth,pharynxandlarynx?fromrupturedaorticaneurysmintoesophagus?InteractionUpperGastro-intestinalTractThedigestivetractabovetheTreitzligamentorpapillaofVater
esophagus,stomach,duodenum.anatomiclandmarkincludesPancreas,biliarytract&jejunumafter
gastrojejunostomy
arealsointhisrangeSummaryDefinition1.DefinitionWhereisuppergastrointestinal(UGI)tract?WhatisacuteupperGIbleeding?WhatismassiveUGIB?WhatisacuteupperGIbleeding?
UpperGIbleedingisfromasourceproximaltotheligamentofTreitz(orthepapillaofVater)Acutebleedingisdefinedasthethedevelopmentofsuddenbloodloss.Definition1.DefinitionWhereisuppergastrointestinal(UGI)tract?WhatisacuteupperGIbleeding?WhatismassiveUGIB?UpperGImassivebleedinglossofblood(>1000ml)ormorethan20%ofbloodvolumeManifestations:hematemesis,melena,etc
rapid
withinseveralhourstocausehypovolemicshock(hypotension,tachycardia)
Themortalityis10%,misdiagnosisrateofetiologyis20%2.EtiologyWhatarethecausesofUGIB?Whatarethemostcommoncauses?2.EtiologyWhatarethecausesofUGIB?Whatarethemostcommoncauses?TheetiologiescanbeclassifiedasUppergastrointestinaldiseases1.1Esophagealdisorders1.2gastroduodenaldiseases2.Portalhypertension-relatedcauses3.Thediseasesoforganortissueneartheuppergastrointestinaltract4.Systemicdiseases全身性疾病EtiologyTheetiologiescanbeclassifiedasUppergastrointestinaldiseases1.1Esophagealdisorders:esophagitis(refluxesophagitis)esophagealcarcinomaesophagealulceresophagealinjury:physical(Mallory-Weisssyndrome);chemical(strongacidoralkali);radioactive,etc.Etiology
Mallory–WeisstearUppergastrointestinaldiseases1.2gastroduodenaldiseases:pepticulcer,stomaulceracuteerosive-hemorrhagicgastropathygastriccancerVascularabnormity(VascularEctasia,ArteriovenousMalformations,Dieulafoy’sLesion)Zollinger-EllisonsyndromeProlapseofgastricmucosaacuteerosiveduodenitisgastriclesionsaftergastrectomy,etc.TheetiologiescanbeclassifiedasEtiology
Pepticulcer
Acuteerosivehemorrhagicgastritis
GastricCancer2.Portalhypertension-relatedcausesportalhypertensivegastropathy(PHG)TheetiologiescanbeclassifiedasEtiologyEsophagealvaricesGastricvarices3.ThediseasesoforganortissueneartheuppergastrointestinaltractBiliaryhemorrhagePancreaticdiseasesArterialtumorMediastinaltumororabscess,etc.TheetiologiescanbeclassifiedasEtiology4.Systemicdiseases全身性疾病DiseaseofbloodvesselHematopathy,leukemia,hemophiliaUremiaDiseasesofconnectivetissueStress-relatedgastricmucosalinjury(燒傷Curlingulcer,腦血管意外Cushingulcer)Acuteinfection(Ebolavirus,Denguevirus),
etc.TheetiologiescanbeclassifiedasEtiologyDieulafoy’slesion(杜氏病)hookwormsAllergicPurpuraDuodenalmucosalpurpura2.EtiologyWhatarethecausesofUGIB?Whatarethemostcommoncauses?Themostcommondiseases?
Pepticulcer50%Varicesofesophagus&fundusofstomach25%
Acuteerosivehemorrhagiclesion15~30%
Gastriccancer5%Etiology3.ClinicalPresentation
Hematemesis&Melena(orhematochezia)
Signsandsymptomsofbloodloss
Anemia&hemogramOccultbloodinthestoolfeverElevationintheBUNlevel3.ClinicalPresentation
Hematemesis&Melena(orhematochezia)
Signsandsymptomsofbloodloss
Anemia&hemogramOccultbloodinthestoolfeverElevationintheBUNlevel
Bedefinedasthevomitingofblood.Itmaybeeitherfresh,brightredwithclots,orbeold&takeontheappearanceofcoffeegrounds.Brightredbloodoftenfromvaricesorarteriallesion.Patientswithcoffeegroundemesisarenotusuallybleedingactivelybuthavehadarecentorevenremotebleeding.HematemesisClinicalmanifestationBedefinedaspassageofblack,tarry,sticky,odorousstoolsduetothepresenceofalteredbloodand95%ofcasesoriginatedfromtheupperGItract.
BleedinglesiondistaltoT.Lig.maybeeithermelenaorhematochezia,butnevermanifestshematemesisMelenaClinicalmanifestation
Testforfecaloccultbloodbecomepositivewhenabout5mlbloodislostperday.
Characterofmelenaisduetodegradationofbloodtoferricsulfide(硫化鐵)bybacteria.Referstopassageofbrightredbloodfromtherectumthatmayormaynotbemixedwithstool.HematocheziaClinicalmanifestationItwillhappenifGIbleedingmassivelyasblooddoesn’tremaininbowellongenoughtobecomemelena.HematocheziausuallyrepresentsalowerGIsourcebleeding.HematemesisMelenaHematocheziaMoreproximallesionsproducehematemesisormelena,whereasmoredistallesionsaremorelikelytoproducehematocheziaBleedingformupperGIBleedingformmiddlepartofGIBleedingformlowerGIUpperGIsourcebleeding--hemetemesis&melenaMajorupperGIbleeding---hemetemesis&hemetocheziaThemoredistantfromtherectum,themorelikelythatmelenaoccursThecolonlesion--FOB+orhemetocheziaThesmallbowellesion---melenaorhemetocheziaClinicalmanifestationSummaryofacuteGIbleeding3.ClinicalPresentation
Hematemesis&Melena(orhematochezia)
Signsandsymptomsofbloodloss
Anemia&hemogramOccultbloodinthestoolfeverElevationintheBUNlevel
Patientoftencomplainsoffaintness,sweating,palpitation,fatigue,thirst,andsyncope.
Mainphysicalsignsarepallor,sweating,restlessness,tachycardia,hypotensionRecognitionofGIhemorrhageSignsandsymptomsofhypovolemia
Postural(Orthostatic)hypotensionThebloodpressureismaintainedonrecumbencybutfallsmorethan15to20mmHgwhenthepatientsitsup3.ClinicalPresentation
Hematemesis&Melena(orhematochezia)
Signsandsymptomsofbloodloss
Anemia&hemogramOccultbloodinthestoolfeverElevationintheBUNlevelPatientswhobleedsmallamountsofbloodoverlongperiodsoftimedevelopirondeficiencyanemia,alowmeancorpuscularvolume(MCV),hypochromicmicrocyticredbloodcell&detectionofoccultbloodinthestoolwithstandardfecaloccultbloodtestsifbloodlossisacute,hematocritvaluemaynotreflectbloodlossaccuratedly&theMCV,hemoglobinconcentrationisnormal.Becauseequilibrationwithextra-vascularfluid&subsequenthemodilutionrequiresseveralhoursRecognitionofGIhemorrhageAnemia&hemogramHematocritchangesABeforebleedingBImmediatelyafterbleedingC24~72hoursafterbleeding(1)Hb,RBC,red-cellcountandhematocritIntheearlystage,theyarenormal.After3-4h,anemiaappears(tissuefluidfilterintobloodvesselandmaketheblooddilute)Hb:>3~4hRC:<1d;4~7d5~15%,tonormalgraduallyWBC:2~5h10,000~20,000/L;2~3dnormalRecognitionofGIhemorrhageAnemia&hemogramRC:reticulocyte網(wǎng)織紅細(xì)胞(2)ReticulatedcorpusclesWithin24h,itelevates.After4~7days,itelevatesto5%-15%,thengraduallydescentstonormal.Ifthebleedingdoesn’tcease,itcanpersistentlyelevate.Hb:>3~4hRC:<1d;4~7d5~15%,tonormalgraduallyWBC:2~5h10,000~20,000/L;2~3dnormalRecognitionofGIhemorrhageAnemia&hemogram(3)WBC2-5h,WBCelevatesto(10~20)x109/L.Itdescentstonormalafterthebleedingceases2~3days.Ifthepatientwithhypersplenism,WBCcan’televate.Hb:>3~4hRC:<1d;4~7d5~15%,tonormalgraduallyWBC:2~5h10,000~20,000/L;2~3dnormalRecognitionofGIhemorrhageAnemia&hemogram3.ClinicalPresentation
Hematemesis&Melena(orhematochezia)
Signsandsymptomsofbloodloss
Anemia&hemogramOccultbloodinthestoolfeverElevationintheBUNlevel4)occultbloodinthestoolHemoccultispositiveif>5~10mlbloodperdayinstool.5)feverLowgradefever(<38.5℃),persist3~5days
Themechanismisunclear,maybeobstructionofheat-regulatingcentercausingbycirculationvolumereducingandperipheralcirculatoryfailure.RecognitionofGIhemorrhage3.ClinicalPresentation
Hematemesis&Melena(orhematochezia)
Signsandsymptomsofbloodloss
Anemia&hemogramOccultbloodinthestoolfeverElevationintheBUNlevelAzotemia(氮質(zhì)血癥)Serumureanitrogenfrequentlyelevatedafterthemassivebleeding,definitedasenterogenousazotemia.Themechanisms:alargeamountbloodenteredintestineanddigestiveproductofbloodisabsorbed(enterogenous)volumeofrenalbloodflowdecreased(prerenal)kidneydiseaseinthepastorlastinglowrenalperfusion(intrarenal)RecognitionofGIhemorrhageWithin24~48h,BUNelevatestopeak,commonlynotmorethan14.3mmol/L(40mg/d),persist3~4days.b.BUNpersistentlyelevatesmorethan3~4daysorobviouslymorethan17.9mmol/L(50mg/dl)theactivebleedinghadnotceased,bloodvolumeisnotcorrectedandtheamountofurineisstilllittle.C.Therenalfailureshouldbeconsideredifthetimeofshockislongandhaskidneydiseaseinthepast.RecognitionofGIhemorrhageAzotemia(氮質(zhì)血癥)Interaction1.HematemesisorMelena?Bleedingsiteaboveorbelowpylorus,amount&speedofbleedingAllpatientsafterbleedinghavemelenaorstoolOB,butnoteveryonehashematemesis.InteractionBelowthepylorus,maybeonlymelena,butabovethepylorus,themelanacanbewithhematemesis.
Verylarge&fastbleedingbelowpylorus,thebloodcanrefluxtostomachhematemesisbesidesmelena.Little&slowbleedingabovepylorus,thepatientlikelyisn’twithhematemesis.Interaction2.Thecolourofthevomitedblood?bloodresidencetimeinstomach:
blood+gastricacidhaematein(正鐵血紅素)Oftendarkbrown,orcoffeegroundsvomiting.Ifbleedingishuge,theblooddoesn’tactwithgastricacid,thehematemesisisbrightred.Interaction3.Thecolourofthestool?
bloodresidencetimeinbowel:Fe(hemoglobin)+SFeS(ironsulfide硫化鐵)
TheironofhemoglobinreactwithsulfideinintestinetoformferricsulfideBlack,tarry,metallic-smellingstools.Ifbleedingishuge,stoolsmaypresentwithdarkredblood.4、ApatientwithGIbleeding,38.5℃ofthebodytemperatureandWBC12X109/L,N92%
Doesheneedantibiotics?Interaction4.DiagnosisDifferentiateddiagnosis
AssessmentofseverityTodeterminewhetherbleedingiscontinuingLocalizationofbleedingPrognosis4.DiagnosisDifferentiateddiagnosis
AssessmentofseverityTodeterminewhetherbleedingiscontinuingLocalizationofbleedingPrognosisThefollowingsituationsmustbenoticed:Toexcludethebleedingfactorsoutsidedigestivetract.
i.bleedingofrespiratorytract.Thedifferentiateddiagnosisofemptysisandhematemesis.ii.Bleedingofmouth,nose,andlarynealpartofpharynxiii.Melenacausedbytakingfoodormedicine.b.EstimationofthebleedingfromupperGItract,midorlowerGItract
i.Hematemesisii.melenaiii.BloodystoolDiagnosisDifferentiateddiagnosis4.DiagnosisDifferentiateddiagnosis
AssessmentofseverityTodeterminewhetherbleedingiscontinuingLocalizationofbleedingPrognosis1.FecalOB(occultblood)
Positive
>5ml/day;
Blackstool
>50ml/day;
Tarrystool
>100ml/day;
2.Hematemesis
>250mlinstomach;3.Signs&symptomsofhypovolemia(systemicsymptoms)>400~500ml;
bloodlose<400ml
Noobvioussigns&symptoms;AssessmentofseverityDiagnosis4.Posturalhypotension體位性低血壓orOrthostatichypotension直位性低血壓Ifthepulserateincreasesmorethan10beatsperminute&thesystolicbloodpressuredropsmorethan15~20mmHgwhenthepatientsitsfromasupinepositon,itislikelythatbloodlosshasexceeded1liter.5.Shock:systolicbloodpressure<90mmHg,pulserate>120/min+signs&symptomsofhypovolemiaAssessmentofseverityDiagnosis4.DiagnosisDifferentiateddiagnosis
AssessmentofseverityTodeterminewhetherbleedingiscontinuingLocalizationofbleedingPrognosisTodeterminewhetherbleedingiscontinuingRepeatinghematemesis,frequencyofmelenaincreasing,orwaterystool,withthehyperactivebowelsounds;
Manifestationsofperipheralcirculatoryfailure
doesn’tobviouslyimproveafteractivetreatment;
Hb,red-cellcount,hematocritpersistentlydecline;
Reticulatedcorpusclespersistentlyelevates;
SerumBUNpersistentlyelevatesorraiseagainintheconditionofenoughfluidinfusionandamountofurineDiagnosis4.DiagnosisDifferentiateddiagnosis
AssessmentofseverityTodeterminewhetherbleedingiscontinuingLocalizationofbleedingPrognosisDiagnosisLocationofthelesionCaseHistory
Priorbleedingepisode?FamilyhistoryofGIdiseaseDosethepatienthavetheillnessofulcer?Cirrhosis?Cancer?Bleedingdisorder?Alcohol?NSAIDs?Anyprecedessymptomsorsigns?Anysignsofjaundice,ascites,spider
angiomas,splenomegaly,etc.DiagnosisLocationofthelesion
Thephysicalexaminationperformedbythephysicianconcentratesonthefollowingthings:
Vitalsigns,inordertodeterminetheseverityofbleeding&thetimingofintervention.
Abdominal&rectalexamination,inordertodeterminepossiblecausesofhemorrhage.
Assessmentforportalhypertension&stigmataofchronicliverdiseaseinordertodetermineifthebleedingisfromavaricealsource.Diagnosis
HematemesisisfromanupperGIsourceofbleeding
MelenaisusuallytheresultofupperGIbleeding
Hematochezia
isusuallytheresultoflowerGIbleedingbutapproximately10%ofthepatientswithrapidbleedingfromanuppersource.Thenasogastriclavage(鼻胃管引流)hasbeenusedextensivelytohelpdifferentiateupperfromlowerGIbleeding,butnow,theuseisdiscouraged.ClinicalPresentationLocationofthelesionUrgentendoscopyrevealedthefollowingfindingonthelessercurvatureofthegastricbody.
UrgentEndoscopy(within24~48hoursafterbleeding):providediagnosis80%~94%LocationofthelesionDiagnosisSelectiveAngiographyIsadoptedwhenbleedingissomassivethatendoscopycannotbesafelyorsatisfactorilyperformedandsurgeryiscontraindicated.Rateofbleeding
>0.5ml/min。mid-jejunalbranchofsuperiormesentericarteryLocationofthelesionDiagnosisSelectiveAngiographyLeftcolonicarterialbleedingLocationofthelesionDiagnosisanareaofabnormalactivityinthejejunum(arrows)Radionuclideimaging:suchasTaggedRedbloodcellscintigraphy(標(biāo)記紅細(xì)胞掃描)Advantages:sensitivitytolowratesofbleeding(0.1to0.5ml/min);safety;itisnoninvasive;lowcost.Disadvantage:includeitslackoftherapeuticcapabilityanddoubtaboutitsaccuracy.LocationofthelesionDiagnosisCapsuleendoscopyAdvantage:
providediagnosisofsmallbowelDisadvantage:
no
biopsy&endoscopictherapyLocationofthelesionDiagnosisM2A?CapsuleComponentsOpticaldomeLensholderLensIlluminatingLEDs(lightemittingdiodes)CMOS(ComplementaryMetalOxideSemiconductor)imageBatteryASIC(ApplicationSpecificIntegratedCircuit)transmitterAntenna
Dimensions:
Height:11mm Width:27mm Weight:3.7gr1.2.3.4.5.6.7.8.
Balloontamponade(Sengstaken-Blakemore)esophagogastrictamponadetubesLocationofthelesionDiagnosisLocationofthelesionDiagnosisExploratorylaparotomy4.DiagnosisDifferentiateddiagnosis
AssessmentofseverityTodeterminewhetherbleedingiscontinuingLocalizationofbleedingPrognosisDiagnosisIncreasingageComorbidityShockPrognosisFactorCommentsRiskincreasesoverage60andespeciallyinveryelderlyAdvancedmalignancy,renal&hepaticfailureareassociatedwithparticularlyhighmortality.Definedaspulse>100/min,BP<100mmHg
DiagnosisVarices&cancerhavetheworstprognosis.EndoscopyActivebleeding&anon-bleedingvisiblevesselatendoscopyareassociatedwithahighriskofcontinuingbleeding.Associatedwith10-foldriseinmortality.
Rebleedingthemostproperandeffectivemethodfordiagnosing&treatingUGIB?gastroscopyInteraction2.ThemostusefulmethodfordiagnosingvascularmalformationinmidorlowerGItract?selectiveangiographycapsuleendoscopyballoonintestinalendoscopycolonoscopyInteraction3.Whatisemergencyendoscopy&whytodothat?Endoscopyisdonewithin24~48hafterbleeding.1.toincreasetheveracityofbleedingetiology,especiallyinacutehemorrhagicgastritis&vascularhemorrhage.2.todetermineifthebleedingispersistentorthedangerousofrebleeding.3.tomakehemostasistreatmentunderendoscopy4.todiagnosisandlocalizethelesionforsurgeonInteraction4.WhatisObscuregastrointestinalbleeding,OGIB?Previousdefinition:Patientswithpersistent,recurrent,orintermittentbleedingfromthegastrointestinal(GI)tractforwhichnodefinitecausehasbeenidentifiedbyinitialesophagogastroduodenoscopy&colonoscopyPresentdefinition:Patientswithpersistent,recurrent,orintermittentbleedingfromthegastrointestinal(GI)tractforwhichnodefinitecausehasbeenidentifiedbyinitialesophagogastroduodenoscopy,capsule
endoscopy&colonoscopyInteraction1.TocheckHbaccuratelyafteracuteGIbleeding?Anemiacouldbeseenin3~4hours,Hbwillbestablearound12hours2.Todecideseverityofanemia?Theamountofbleeding,Hblevelbeforebleeding,Thespeedofthefluidbalance,etc.Interaction3.HowmanydaysdoesthecolourofthestoolrecovernormalafterGIbleedingceaseifthepatienthasbowelmovementeveryday?1~3daysInteraction4.Themaximumblooddonationeachtime?Generally200ml,maximum400ml.Bloodlose<400ml
Noobvioussigns&symptoms5.TreatmentGeneralmeasuresHemostasis
PharmacologicmanagementBalloontamponadeInterventiontreatmentSurgeryEndoscopichemostasis5.TreatmentGeneralmeasuresHemostasis
PharmacologicmanagementBalloontamponadeInterventiontreatmentSurgeryEndoscopichemostasis
1、Generalmeasures
Bedrest
Oxygeninhalation
Monitor:Vitalsigns(BP,P,R,T)
Assessment:Thesituationofbleeding
Bloodsample:hemoglobin,hemotocrit,urea,electrolytes,grouping&cross-matching
History+exam
Fasting(activebleeding)Detectionofbloodgroupandmatchingbloodatonce.Treatment
1、Generalmeasures
I.V.accessToimmediatelyestablishtransfusiontractofveinandsupplementbloodvolume.Ifshortageofblood,insteadofcolloidorotherplasmareplacementagents.Intravenouscrystalloidfluidsorcolloidaregiventorestorethebloodpressure.ThespeedoftransfusionmustbefastatbeginningandamountisbasedontheamountofbleedingTreatment
TheindexofemergencybloodtransfusionWhenthepatientssitsfromasupineposition,theheartrateincreases,thebloodpressuredropsandsyncope2.Theheartrate>120/minorSBP<90mmHg3.Hb<7g/Lorhematocrit<25%4.Notice:anemia,urinevolume5.Cirrhosis:freshblood
1、Generalmeasures6.Bodytemperature:largetransfusionatshorttimeTreatment5.TreatmentGeneralmeasuresHemostasis
PharmacologicmanagementBalloontamponadeInterventiontreatmentSurgeryEndoscopichemostasis2.Hemostasis
Peopleareusuallystratifiedintohavingeithervaricealornon-varicealsourcesofupperGIhemorrhage,asthetwohavedifferenttreatmentalgorithms&prognosis.Earlyendoscopyisrecommended,notonlyasadiagnosticapproach,butalsoasatherapeutictechnique,whichcanbeperformedthroughtheendoscope.Treatment5.TreatmentGeneralmeasuresHemostasis
PharmacologicmanagementBalloontamponadeInterventiontreatmentSurgeryEndoscopichemostasis
ForrestStigmata
PepticUlcer
RebleedingRate(%)
ⅠaActive
bleeding
(噴射樣出血)
55
Ⅰb
Oozing
(活動性滲血)
55
ⅡaVisible
vessels
(血管顯露)
43ⅡbRed
clot(附著血凝塊)
22
ⅡcFlatspots
(黑色基底)
10ⅢCleanbase(基底潔凈)
5
中華內(nèi)科雜志2005:44(1)
ForrestStigmatainbleedingpepticulcer
EndoscopicHemostasisManagementofNon-varicealUGIBleedingHemostasisTheRecommendationsforEndoscopicTreatmentofBleedingUlcersActivebleedingTreatVisiblevesselTreatClotControversialmosttreatFlatspotsLeaveAloneCleanbasePossibleDischargeBarkumA.AnnInternMed.2010;152:101EndoscopicHemostasisAcombinationofepinephrineinjectionplusthermaltreatmentand/orhaemoclipsisgenerallypreferredtomonotherapyEpinephrineinjectionHaemoclipHeaterprobeBarkumA.AnnInternMed.2010;152:101ManagementofNon-varicealUGIBleedingHemostasishemoclipEndoscopicHemostasisBandingligationManagementofVaricealUGIBleedingSclerotherapy&ligationSclerotherapyHemostasisLigationofesophagusvaricesEndoscopicHemostasisHemostasisSclerotherapyofgastricvaricesEndoscopicHemostasisHemostasis5.TreatmentGeneralmeasuresHemostasis
PharmacologicmanagementBalloontamponadeInterventiontreatmentSurgeryEndoscopichemostasisPharmacologicmanagementHemostasisProtonpumpinhibitors(PPIs)
Which
reduce
gastric
acidproduction&acceleratehealingofcertaingastric,duodenal&esophagealsourcesofhemorrhage.Thesecanbeadministeredorallyorintravenouslyasaninfusiondependingontheriskofrebleeding.WhyAcid-SuppressantTherapy?GastricacidandpepsininhibitclotformationandcauseclotlysisPlateletaggregationandcoagulationoptimalatpH7.4PlateletaggregationimpairedatpH<5.9PepsincausesclotlysisGastricacidimpairsulcerhealingHypersecretionofgastricacidoccursinpatientswithbleedingulcersPharmacologicmanagementHemostasisGastricpHandClinicalEffectGastricpHClinicalEffect>4Pepsininactivated>599%acidneutralized>6Functionalcoagulationandplateletaggregation>7PepsindestructionStressUlcerProphylaxisReductionofrebleedingafterendoscopicinterventionVorderBrueggeW,etal.JClinGastroenterol.1990;12Suppl2:S35-40.PharmacologicmanagementHemostasisTerlipressin
isaVasopressinanalogmostcommonlyusedforvaricealupperGIhemorrhage.PharmacologicmanagementHemostasisSomatostain&itsanalog
toshuntbloodawayfromthesplanchniccirculation.It
has
foundtobeausefulinmanagementofbothvariceal&nonvaricealupperGIbleeding.5.TreatmentGeneralmeasuresHemostasis
PharmacologicmanagementBalloontamponadeInterventiontreatmentSurgery
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