Effects of structural injure in the bile bacterial contamination after balloon transduodenal sphincteroplasty (papillary dilation) in dogs

Acta Cirurgica Brasileira

Martin Zavadinack Netto²  Djalma José Fagundes¹  César Orlando Peralta Bandeira² 

[1] ,State University of Maringá Surgery Department

关键词: Sphincterotomy;    Transhepatic;    Sphincter of Oddi;    Dogs;    Esfincterotomia Transhepática;    Esfíncter da Ampola Hepatopancreática;    Cães;   

DOI  :  10.1590/S0102-86502006000500013

来源: SciELO

【 摘 要 】

PURPOSE: To evaluate, in dogs, the biliary sphincter subjected to dilation by hydrostatic balloon by the point of view of structural alterations of the papilla and the biochemestry and bacterial contamination of the bile. METHODS: Twenty dogs were submitted to laparotomy, duodenotomy, and enlargement of the major duodenal papilla- GA(n=10) - with balloon of 8mm inflated with pressure of 0,5atm, during 2 minutes or to the sham procedure - GB(n=10). Blood samples collected on times t(0day), t(7days) and t(28days) were subjected to dosages of alkaline phosphatase (ALP) and gamma-glutamyltransferase (GGT) for cholestasis evaluation. The collected material from the gall bladder at the same times were registered and numbered to be submitted to culture in BHI, blood agar (rich, non-selective element) and Mac Conkey (selective element for Gram-negative bacillus. On the 28th day three fragments of the papilla were tranversally cut by the choledoc axis 3mm from the duodenal papilla and the cuts, stained with hematoxylin-eosin and Masson's tricome, were evaluated according to their inflammatory reaction. RESULTS: The GGT and ALP averages on the three periods in the groups A and B did not show significant differences, not being characterizes the cholestasis. The bacterian contamination was significantly higher in GA (2,19) than in GB (1,96); the contamination was lower in the initial time compared with 7 and 28 days (t0

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