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Scand J Gastroenterol. 1987 Oct;22(8):914-8.

Mononuclear phagocyte thromboplastin and endotoxin in patients with secondary bacterial peritonitis.

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  • 1Surgical Dept., University Hospital of Tromsø, Norway.


Endotoxin levels and mononuclear phagocyte thromboplastin activities in samples from peripheral blood and peritoneal fluid were determined in nine patients with secondary bacterial peritonitis (appendicitis with perforation, or diverticulitis) and in five control patients (uncomplicated duodenal ulcer or gallbladder stones). None or only negligible amounts of endotoxin, always less than 0.01 ng/dl (contamination), and no growth of bacteria were detected in controls. In the patients with peritonitis, peritoneal fluid samples always contained gram-negative bacteria, and large amounts (mean, 31.6 ng/dl) of endotoxin were seen. Plasma from these patients also contained endotoxin (mean, 0.56 ng/dl) despite negative blood cultures. Mononuclear phagocytes from controls had low thromboplastin values, whereas both circulating monocytes and peritoneal macrophages from peritonitis patients showed a substantial increase (multifold) of thromboplastin.

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