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Samenvatting Spijsvertering - Leveraandoeningen - Laleman

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Samenvatting van het deel van prof. Laleman voor het vak Spijsvertering.

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SPIJSVERTERING: BENIGNE
AANDOENINGEN VAN LEVER-
GAL- EN PANCREAS
WIM LALEMAN




Maakt NIEUWE vragen op het examen!

Handboek = extra

Slides = essentie


Inhoudsopgave
H1: DE LEVER: ANATOMIE EN FYSIOLOGIE........................................................4
STRUCTUUR LEVER................................................................................................................ 4
FUNCTIES LEVER................................................................................................................... 6
FUNCTIES GAL..................................................................................................................... 6
SCHADE INSCHATTEN............................................................................................................. 6

H2: ACUTE LEVERZIEKTEN...............................................................................9
HEPATITIS........................................................................................................................... 9
Definitie...................................................................................................................... 10
kliniek......................................................................................................................... 10
Algemene biochemische kenmerken..........................................................................10
etiologie..................................................................................................................... 11
Specifieke vormen van acute hepatitis.......................................................................11
complicatie: Acuut Leverfalen....................................................................................23
SAMENVATTEND SCHEMA...................................................................................................... 25

H3: CHRONISCHE LEVERZIEKTEN...................................................................26
DEFINITIE EN RELEVANTIE..................................................................................................... 26
EVALUATIE SCHADE/FIBROSE................................................................................................. 26
ALGEMENE KLINISCHE ASPECTEN............................................................................................ 27
OORZAKEN VAN CHRONISCHE HEPATITIS..................................................................................28
SPECIFIEKE VORMEN VAN CHRONISCHE HEPATITIS......................................................................28
virale hepatitis........................................................................................................... 28
autoimmune hepatitis (AIH).......................................................................................32
cholestatische syndromen..........................................................................................32
overlapsyndromen..................................................................................................... 36
metabole leverziekten................................................................................................37
steatotic liver disease (sld).........................................................................................39

, vasculaire aandoeningen van de lever.......................................................................42
OVERZICHT........................................................................................................................ 42

H4: CIRROSE................................................................................................ 43
CIRROSE........................................................................................................................... 43
1. Definitie en betekenis............................................................................................ 43
2. Oorzaken................................................................................................................ 43
3. Pathogenese (Cirrogenese)....................................................................................43
4. Natuurlijk verloop................................................................................................... 44
5. Prognostische scores.............................................................................................. 45
6. Diagnostiek en herkenning.....................................................................................45
7. Algemene aanpak.................................................................................................. 46
COMPLICATIES VAN CIRROSE......................................................................................... 46
1. portale hypertensie – complicaties.........................................................................47
2. Complicaties gerelateerd aan leverinsufficiëntie....................................................55
3. Acuut-op-chronisch leverfalen (ACLF).....................................................................58
4. Samenvattend overzicht........................................................................................58
H5: LEVERLIJDEN BIJ ZS................................................................................59
SITUERING........................................................................................................................ 59
HYPEREMESIS GRAVIDARUM.................................................................................................. 59
INTRAHEPATIC CHOLESTASIS OF PREGNANCY (ICP)...................................................................61
ZWANGERSCHAPSHYPERTENSIE-GERELATEERDE LEVERZIEKTEN.....................................................62
ACUTE FATTY LIVER OF PREGNANCY (AFLP)...........................................................................63
SAMENVATTENDE TABEL....................................................................................................... 64
H6: VASCULAIRE AANDOENINGEN VAN DE LEVER...........................................65
VASCULAIRE ANATOMIE VAN DE LEVER....................................................................................65
ISCHEMISCHE HEPATITIS (SHOCK LIVER, HYPOXIC HEPATITIS, LOW-FLOW HEPATITIS)..........................65
CONGESTIEVE HEPATOPATHIE (CARDIALE LEVERCONGESTIE)........................................................66
BUDD–CHIARI-SYNDROOM (BCS).......................................................................................... 67
SINUSOIDAL OBSTRUCTION SYNDROME (SOS).........................................................................70
VENA PORTA-TROMBOSE (ZONDER CIRROSE)............................................................................71
ZIEKTE VAN RENDU–OSLER–WEBER (HEREDITARY HEMORRHAGIC TELANGIECTASIA, HHT)...............72
PORTO-SINUSOIDAL VASCULAR DISORDER (PSVD)...................................................................74
SAMENVATTENDE TABEL VASCULAIRE LEVERAANDOENINGEN........................................................74
H7: BENIGNE AANDOENINGEN VAN DE PANCREAS..........................................76
NORMALE PANCREAS..................................................................................................... 76
CONGENITALE AANDOENINGEN.....................................................................................77
ACUTE PANCREATITIS.................................................................................................... 78
Etiologie..................................................................................................................... 78
Kliniek........................................................................................................................ 78
Diagnose.................................................................................................................... 79
Lokale complicaties.................................................................................................... 80
Behandeling acute pancreatitis..................................................................................81
CHRONISCHE PANCREATITIS.......................................................................................... 82
Etiologie..................................................................................................................... 82
Pathofysiologie........................................................................................................... 82
Kliniek........................................................................................................................ 83
Diagnose.................................................................................................................... 83
Behandeling............................................................................................................... 84

,
, H1: DE LEVER: ANATOMIE EN FYSIOLOGIE

Facultatief!

STRUCTUUR LEVER

Lever = grootste orgaan in de buik = grootste klier van lichaam (dirigent en krachtpatser
van het lichaam)

 Gewicht: 1,5 kg
 Positie: intraperitoneaal thv rechter hypochonder
 Ligamenten
o Falciform ligament (voorste oppervlak)
o Coronaire ligament (bovenaan tegen middenrif, vormt de triangulaire
ligamenten)
o Triangulaire ligament (links en rechts)
o Omentum minus (bevestiging aan maag en eerste deel van duodenum)
 Hepatoduodenale ligament (duodenum tot lever)  omringt portale
triade
 Hepatogastrische ligament (maag tot lever
 Lobi
o Grote rechter lob
o Kleinere linker lob
o Accessoire lobben
 Lobus caudatus (bovenkant viscerale oppervlak)
 Tussen onderste vena cave en fossa geproduceerd door
ligamentum venosum
 Lobus quadratus (onderkant viscerale oppervlak)
 Tussen galblaas en een fossa geproduceerd door
ligamentum teres
 Gescheiden door porta hepatis (= waar alle bloedvaten, zenuwen en
galkanalen de lever binnenkomen/verlaten, met uitz. van de
leveraders)
 Bedekking: kapsel van Glisson (vezelachtig)
 Bloedtoevoer: DUBBEL
o Aanvoerend
 A. hepatica: 25%
 V. porta: 75%
o Veneuze drainage (afvoerend)
 Venae hepaticae (3), die uitmonden in vena cava
o  Lever krijgt 1/5de van het hartdebiet (dus gevoelig aan hemodynamische
veranderingen)
 Microscopisch
o 6-hoekige vorm = lobulus van Kiernan
o Arteriole < leverslagader die lever binnenkomt
o Venule < leverpoortader die lever binnekomt
o Galductulus < galkanaal die lever verlaat (naar duodenum)

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