International journal of pancreatology : official journal of the International Association of Pancreatology · 1998
Difference in microbes contaminating pancreatic necrosis in biliary and alcoholic pancreatitis.
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Räty S, Sand J, Nordback I
Аннотация
CONCLUSION: There are differences in the microbiology of infected pancreatic necrosis in alcoholic and biliary pancreatitis. One possible explanation may be different routes of contamination.
BACKGROUND: Infection is a severe complication in acute pancreatitis. Bacteria are found in 40-70% of all patients suffering from necrotizing pancreatitis. We investigated whether there were any differences in microbes isolated from pancreatic necrosis in biliary and alcoholic pancreatitis.
METHODS: Microbiological tests were conducted on necrosis taken at the operation for pancreatitis with the etiology of (group A) alcoholic pancreatitis (n = 47) and (group B) biliary pancreatitis (n = 23). Patients with simultaneous cholecystitis were excluded. The time from the first symptoms to the operation or the extent of necrosis did not differ between the groups.
RESULTS: Microbes were isolated more often in the cultures from group B than group A (17/23 = 74% vs 15/47 = 32%, p = 0.001). The most common were Gram-positive bacteria in group A and Gram-negative bacteria in group B. From the first week, from the onset of symptoms to the operation. Gram-negative bacteria were isolated significantly more often in the cultures from group B patients than from group A patients (8/10 = 80% vs 1/5 = 20%, p = 0.04). In multivariate analysis, we found that biliary pancreatitis was an independent risk factor (adds ratio 5.5, 95% confidence interval [CI] 0.59-52.10) of contamination of necrosis with Gram-negative bacteria.
BACKGROUND: Infection is a severe complication in acute pancreatitis. Bacteria are found in 40-70% of all patients suffering from necrotizing pancreatitis. We investigated whether there were any differences in microbes isolated from pancreatic necrosis in biliary and alcoholic pancreatitis.
METHODS: Microbiological tests were conducted on necrosis taken at the operation for pancreatitis with the etiology of (group A) alcoholic pancreatitis (n = 47) and (group B) biliary pancreatitis (n = 23). Patients with simultaneous cholecystitis were excluded. The time from the first symptoms to the operation or the extent of necrosis did not differ between the groups.
RESULTS: Microbes were isolated more often in the cultures from group B than group A (17/23 = 74% vs 15/47 = 32%, p = 0.001). The most common were Gram-positive bacteria in group A and Gram-negative bacteria in group B. From the first week, from the onset of symptoms to the operation. Gram-negative bacteria were isolated significantly more often in the cultures from group B patients than from group A patients (8/10 = 80% vs 1/5 = 20%, p = 0.04). In multivariate analysis, we found that biliary pancreatitis was an independent risk factor (adds ratio 5.5, 95% confidence interval [CI] 0.59-52.10) of contamination of necrosis with Gram-negative bacteria.