title: Microangiopathy in acute acalculous cholecystitis.
abstract: BACKGROUND
  Acute acalculous cholecystitis is a well recognized complication of many acute illnesses. Ischaemia of the gallbladder seems to have an important role in its pathogenesis.
  
  
  METHODS
  Microangiography was performed in 15 gallbladders immediately after cholecystectomy by infusing 10 per cent barium sulphate into the specimen. Five patients had symptomatic gallstone disease, five had acute gallstone-associated cholecystitis and five had acalculous cholecystitis. Sections for histological examination were taken from adjacent sides of the microangiography section. Filling of the vessels by contrast medium was compared with histological findings.
  
  
  RESULTS
  Microangiography of the gallbladder in acute gallstone-associated cholecystitis showed strongly dilated arterioles and regular filling of the capillary network, whereas in acalculous cholecystitis the capillary filling was poor and irregular.
  
  
  CONCLUSIONS
  Disturbed microcirculation may play an important role in the pathogenesis of acute acalculous cholecystitis.
authors.affiliation: Department of Surgery, University Hospital of Kuopia, Finland.
authors.forename: T
authors.initials: T
authors.lastname: Hakala
authors.forename: P J
authors.initials: PJ
authors.lastname: Nuutinen
authors.forename: E T
authors.initials: ET
authors.lastname: Ruokonen
authors.forename: E
authors.initials: E
authors.lastname: Alhava
mesh_terms: D000328:Adult; D000368:Aged; D000792:Angiography / Q000379:methods; D002764:Cholecystitis / Q000209:etiology* / Q000473:pathology; D004108:Dilatation, Pathologic; D005704:Gallbladder / Q000098:blood supply*; D006801:Humans; D008297:Male; D008833:Microcirculation; D008875:Middle Aged; D014652:Vascular Diseases / Q000473:pathology