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Increased mucosal concentration of bactericidal/permeability-increasing protein (BPI) has been shown in inflammatory bowel diseases. The purpose of the present study was to investigate the relationship between the mucosal concentration of BPI and the grade of mucosal inflammation in ulcerative colitis.Samples of colonic mucosa from 12 patients with ulcerative colitis and from 8 control patients were studied. The concentration of BPI in tissue extracts was measured by a time-resolved fluoroimmunoassay. The concentration of BPI was compared between samples with histological inflammatory changes of different severity. BPI was localized in tissue sections by immunohistochemistry.The concentration of BPI was higher (p0.001) in samples of colonic mucosa from patients with ulcerative colitis (median: 3.2 micrograms/g, range: 0.3-22.6 micrograms/g) than in control samples (0.4 microgram/g, 0.1-0.6 microgram/g,). Moreover, the concentration of BPI was higher (p = 0.015) in samples with severe inflammation (2.5 mu/g, 0.3-22.6 micrograms/g) than in those with mild inflammation (0.5 mu/g, 0.3-2.5 micrograms/g). The concentration of BPI in mucosal samples correlated well with the degree of histological inflammation (Spearman R = 0.70, p = 0.01). BPI was localized in polymorphonuclear leukocytes in the mucosa and stroma of the colonic wall.The concentration of BPI is increased in the colonic mucosa of patients with ulcerative colitis. The increase in the concentration of BPI in colonic mucosa seems to be closely associated with the inflammatory activity of ulcerative colitis.

The role of surgical procedures in the treatment of acute pancreatitis is still unclear. The aim of the present study was to analyze the mortality in acute pancreatitis in Turku University Central Hospital during the last quarter century with special reference to the prevailing surgical treatment trends.A total of 3921 patients with acute pancreatitis were treated 1971-1995. We analyzed the mortality in acute pancreatitis and the number of patients treated in the intensive care unit as well as the number of various surgical procedures used in the treatment of acute pancreatitis in each year 1971-1995.The most conspicuous finding was that the mortality in acute pancreatitis has not decreased any more during the last 15 years. Neither pancreatic resections nor peritoneal lavages seem to decrease the mortality.We conclude that despite various surgical procedures used in the treatment of acute pancreatitis the mortality in acute pancreatitis has not decreased any more during the last 15 years. Because of the retrospective nature of the current study the present results do not justify drawing any strict conclusions concerning the treatment of acute pancreatitis. However, the present results support the view that conservative treatment in the intensive care unit is justified as an initial therapy even in the fulminant attacks of acute pancreatitis.