医学培训课件炎症性肠病IBDe英文版.ppt
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1、Inflammatory Bowel DiseaseHongyu Ren,MDDivision of GI, Xiehe Hospital, WuhanOverview Introduction/EpidemioloIntroduction/Epidemiologygy Pathogenesis Pathogenesis Clinical Manifestations Clinical Manifestations Conventional Therapies Conventional Therapies Prognosis PrognosisIntroductionDefinition:De
2、finition: Chronic autoimmune inflammatory Chronic autoimmune inflammatory disorders, involving some or all layers of the gut disorders, involving some or all layers of the gut wall.wall.Ulcerative Colitis (UC)Ulcerative Colitis (UC)Mucosal / Mucosal / submucosalsubmucosal only onlyCrohns Disease (CD
3、)All layers of wall at riskUlcerative Ulcerative ColitisColitisCrohnCrohns s DiseaseDiseaseEndoscopic AppearanceNormal colonNormal colonFriabilityFriabilityExudateExudatebleedingbleedingDiffuse Diffuse ulcerationulcerationCobblestoningCobblestoningFocal Focal ulcerationulcerationHistology/Depth of I
4、BDuuMucosal and Mucosal and submucosalsubmucosal only onlyuuNo No granulomasgranulomas seen seenuu* * TransmuralTransmural disease disease * *uuGranulomasGranulomas occasionally seen occasionally seenUlcerative Ulcerative ColitisColitisCrohnCrohns Diseases DiseaseUlcerative Colitis vs Crohns Disease
5、EpidemiologyIncidence: 5-29 per 100,000 people per yearIncidence: 5-29 per 100,000 people per yearPrevalence: 1.3 million personsPrevalence: 1.3 million personsNew cases: estimated 20,000-100,000 per year*New cases: estimated 20,000-100,000 per year*Gender distribution:Gender distribution:uu CrohnCr
6、ohns s disease: Slight female disease: Slight female predominancepredominanceuu Ulcerative Colitis: Slight male predominanceUlcerative Colitis: Slight male predominanceAge incidence - Bimodal distributionAge incidence - Bimodal distributionuu Peak onset: 15 to 25 years of agePeak onset: 15 to 25 yea
7、rs of ageuu Second peak incidence: 50 to 65 years of Second peak incidence: 50 to 65 years of ageageAnti-inflammatoryAnti-inflammatoryPro-inflammatoryPro-inflammatoryTNFTNFIL-1bIL-1bIL-12 / IL-18 IL-12 / IL-18 IFNgIFNgIL-4 / IL-13IL-4 / IL-13IL-1RaIL-1RaTGFbTGFbIL-10IL-10PGEPGE2 2PathogenesisPathoge
8、nesis of Inflammatory Bowel DiseaseImmune Immune DysregulationDysregulationIBDIBDGeneticGeneticSusceptibilitySusceptibilityEnvironmental Environmental TriggersTriggersEnvironmentRisk factors:Risk factors:Occupations associated with outdoor physical Occupations associated with outdoor physical laborl
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- 医学 培训 课件 炎症 性肠病 IBDe 英文