Difference between revisions of "Verminous Endarteritis"
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Revision as of 13:42, 7 January 2011
Verminous endarteritis
- Caused by larvae of S. vulgaris within the cranial mesenteric artery
- Also called "verminous aneurism" (misnomer as aneurism = dilatation/thinning of blood vessel wall; also, aneurisms are rare)
- Wall of artery grossly thickened (organising thrombi, inflammatory responses)
- Can be detected on rectal palpation
- Many cases asymptomatic
- May get embolism → infarction of areas of intestinal wall → colic or chronic ulceration (note: generally good collateral circulation; therefore colic is not inevitable)
- Aberrant larvae may cause thrombosis in other arteries; e.g. iliac, cerebral, coronary
- Avermectin/milbemycins or fenbendazole are used to control migrating S. vulgaris larvae