Fifty-nine patients with chronic pancreatitis were studied in retrospect. The incidence of overt diabetes was high, 36/59. Half of the diabetics were insulin-dependent, and among these labile diabetes with hyperglycemia and high amounts of glucose in the urine was not uncommon. Hypoglycemic episodes were noted in 14 of the 18 insulin-treated patients, and in 3 patients severe hypoglycemia was believed to be the cause of death. Mechanisms leading to such disastrous hypoglycemia are discussed, and a hypothesis regarding lack of glucagon as the cause of severe hypoglycemic attacks was experimentally tested by measuring pancreatic glucagon in plasma in two patients with pancreatic diabetes and severe brain damage following hypoglycemic coma. Low basal glucagon values were found, and the normal rise upon insulin-induced hypoglycemia was not seen. From these results it may be justified to suggest, firstly that glucagon should be used in the management of severe hypoglycemia in chronic pancreatitis, and secondly that a certain degree of hyperglycemia should be allowed in the treatment of diabetes in these patients.
Fifty-three patients with Crohn's disease were chosen for this study. They were divided into three groups: the first group (19 patients) was treated with metronidazole and had been receiving the drug for at least 1 year; the second group (13 patients) had previously had the same type of long-term treatment but had been off the drug for at least 3 months before entering the study; the third group (21 patients) had never received treatment with metronidazole. The maximum daily dose of metronidazole used was 800 mg. All patients were examined with a broad set of neurophysiologic investigations devised to reveal signs of peripheral neuropathy. No significant difference was found between the three groups. The conclusion was that a daily dose of metronidazole not exceeding 800 mg is well tolerated by patients with Crohn's disease with regard to objective signs of neurotoxicity. A few patients from all three groups showed a raised perception threshold for changes of temperature in the feet (as compared with the department's normal standard). The results of the test were almost identical in the three groups and thus not connected with the metronidazole treatment. During the study, patients were asked about subjective neurologic symptoms such as tingling and numbness. A few patients from all three groups reported such paresthesias from time to time, but they were of a transient nature, not perpetual, and, in patients taking metronidazole, not aggravated despite continuing treatment with unchanged dose.(ABSTRACT TRUNCATED AT 250 WORDS)
The effect of an H,-receptor blocking agent, cimetidine, on faecal losses of fluid, electrolytes and fat was examined in 10 patients with Crohn's disease, who had diarrhoeas after extensive small bowel resection. A randomized, doubleblind and crass-over design was applied, and patients were hospitalized and on a defined diet during the study. Cimetidine, 4x400 mg, significantly reduced diarrhoeal volumes by an average of 22% @<0.05) and faecal sodium by 27% @<0.05). Patients with severe diarrhoeas responded better to treatment. No sideeffects were recorded. The reported data suggest that cimetidine may be useful in symptomatic treatment of patients with severe diarrhoeas after extensive ileal resection. Due to deficient drug absorption, higher doses may be needed for optimal effect.
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