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Samenvatting Ulcus cruris (VZC 2) - Els Verstraete

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Dit is een samenvatting van het deeltje 'Ulcus cruris', zowel uit het boek als uit de PowerPoint gegeven door Els Verstraete.

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Uploaded on
December 22, 2023
Number of pages
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Written in
2023/2024
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ULCUS CRURIS
8.2 ACHTERGRONDINFORMATIE

8.2.3 FYSIOPATHOLOGI E


VENEUS ULCUS CRURIS

Chronische veneuze insufficiëntie:

 Stuwing in veneuze circulatie door:
 Afname spierpomp
 Disfunctionele kleppen
 verhoogde veneuze druk en verminderde veneuze drainage

 Ontwikkelt in:
 Oppervlakkig veneus systeem
 Diep veneus systeem
 Perforerend systeem

 Belangrijkste oorzaken:
 Reflux in de venen door onvoldoende werking kleppen (varices)
 Obstructie van de venen (trombose)
 Slecht functioneren kuitspieren (parese)




ARTERIEEL ULCUS CRURIS

Verminderde arteriële doorbloeding:

 Door:
 Atherosclerose
 Hypertensie

,  Vernauwing bloedvaten
 Hypoxie
 Te weinig nutriënten en zuurstof
 afsterven van weefsels en ontstaan necrose

 Soms door:
 Obstructie door stollingsstoornissen
 Cholesterolembolie
 Vasculitis (= ontsteking van kleine bloedvaten)

 Soms meerdere tegelijk

8.3 PRAKTISCHE INFORMATIE

8.3.1 DIAGNOSTIEK


VENEUS PROBLEEM


OEDEEM

 Verhoogde capillaire druk waardoor vocht uit bloedbaan treedt
 In eerste instantie overname door lymfebanen, na verloop van tijd overbelast
 Essentieel symptoom!!!




VARICES

 Oppervlakkige venen met slecht sluitende kleppen
 Bloed stroomt door zwaartekracht naar beneden
 Opstapeling van afvalstoffen  leidt tot oedeem
 Symptomen:
 Zware, vermoeide benen
 Oedeem
 Pijn
 Nachtelijke krampen
 Onrustige benen (restless legs)
 Na verloop van tijd huidveranderingen of zelfs wonden (zie later)
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