Colonic myoelectrical activity in irritable bowel syndrome before and after treatment.
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Biomedical subjects
Publications and source records attributed to J C Vij.
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To determine the optimum dose of ispaghula husk in patients with irritable bowel syndrome (IBS) and to assess the correlation, if any between the relief in patients' symptoms and the whole gut transit time, and the increase in stool weight, a two part study was carried out. In part 1, 14 male patients were given ispaghula husk in increasing doses of 10 g, 20 g, and 30 g a day for a duration of 17 days each (14 days of study period + three days of stool collection). Ten patients completed the trial. The symptom score improved significantly with all the three doses of ispaghula. Both 20 g and 30 g doses of ispaghula were superior to the 10 g dose but there was no significant difference between the 20 g and 30 g doses. There was a significant (p less than 0.001) increase in the daily stool weight with 10 g dose of fibre with further significant increases with the 20 g and 30 g doses. A positive correlation was seen between the improvement in the symptom score and the increase in stool weight with the 10 g dose of ispaghula but not with the 20 g and 30 g doses. Whole gut transit time remained fairly constant throughout the study period and there was no relationship with either the dose of ispaghula, the alteration in stool weight, or the improvement in the patients symptoms. Ten patients completed part 2 of the study in which ispaghula husk was given in the same dose (10 g, 20 g, and 30 g) but in a random order and with a "washout" period of one week between individual doses. Again all the three doses of ispaghula produced a significant improvement in the symptoms; 20 g and 30 g doses were equally effective and both were significantly superior to the 10 g dose. Assessed individually, all the three symptoms improved significantly; improvement in constipation and pain abdomen was more pronounced than diarrhoea. It is concluded that the optimum dose of ispaghula husk in irritable bowel syndrome is 20 g per day. There is some correlation between the increase in stool weight and the improvement in symptom score but the whole gut transit time remains unchanged despite alterations in stool weight and patients' symptoms.
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Forty eight patients with oesophageal varices were serially endoscoped over a period of 3 weeks for the presence of oesophageal ulcers after the first course of sclerotherapy with absolute alcohol. Post-sclerotherapy oesophageal ulcers were seen in 94% patients on day 1, in 69% patients at 1 week and in only 12.5% patients at the end of 3 weeks. A strong correlation (r = + 0.88) was observed between the incidence of ulceration and the amount of sclerosant injected. In fact, all patients who received 3 ml or more of the sclerosant showed development of oesophageal ulcers. It can be concluded that oesophageal ulcers are probably a necessary accompaniment of sclerotherapy and should not be considered an avoidable complication.
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Emergency endoscopic sclerotherapy (EEST) during continued moderate to severe bleeding was carried out using a flexible endoscope and absolute alcohol as a sclerosant in 38 patients with variceal bleeding. Portal hypertension was due to cirrhosis in 27, noncirrhotic portal fibrosis in eight, extrahepatic obstruction in two, and Budd-Chiari Syndrome in one patient. A technically adequate EEST could be carried out in 36 (95%) patients, with successful control of variceal bleeding in 35 (92%). Thirty-one episodes of rebleeding occurred in 12 (31.6%) patients. Twenty-nine (93.5%) of these episodes could be controlled with repeated EEST, giving an overall success of 87%. The new approach of repeating sclerotherapy on every rebleeding episode up to a maximum of three course within 24 hours, use of a wide bore injector, and certain other technical innovations were found safe and effective. The mean (+/- SD) amount of alcohol injected per patient was 9.23 +/- 3.3 ml and the mean (+/- SD) number of injections needed per patient were 6.0 +/- 3.07. Complications were minor, transient, and similar to conventional sclerotherapy. There were three deaths, two due to massive rebleeding and one due to hepatic encephalopathy. It can be concluded that EEST is technically feasible during active variceal bleeding and is an effective and relatively safe procedure. It can serve as the first line treatment in this group of patients.
To assess the efficacy of absolute alcohol as a sclerosant, endoscopic sclerotherapy was carried out using a conventional endoscope and an indigenously designed injector. Forty three patients with portal hypertension who had presented with history of variceal bleeding were included in the study. Portal hypertension was caused by cirrhosis in 30 (69.8%), non-cirrhotic portal fibrosis in eight (18.6%) and extra-hepatic obstruction in five (11.8%). Acute bleeding was successfully controlled in all 11 patients, seven with a fresh bleed and four who rebled while on endoscopic sclerotherapy regimen. All patients with fresh, recent, or old bleeding were treated with a weekly endoscopic sclerotherapy schedule. Reduction in variceal size of two or more grades was achieved in all 20 patients who had completed at least four endoscopic sclerotherapy courses with total eradication of varices in 16 (80%). The mean (+/- SD) number of endoscopic sclerotherapy courses and time required for variceal eradication was 6.06 (+/- 1.87) and 9.1 (+/- 4.69) weeks respectively. None of these patients has shown appearance of fresh varices in a follow up of 18.47 +/- 8.50 weeks (range six to 38 weeks). Six patients died; all deaths were caused by progressive hepatic encephalopathy. Complications usually seen were dysphagia, retrosternal pain and fever; these were mild and easily tolerated by the patients. Rebleeding occurred in four patients who had received less than four endoscopic sclerotherapy courses. Absolute alcohol appears to be an effective, safe, economical, and freely available sclerosant. advocate endoscopic sclerotherapy as the first line of treatment for acute variceal bleeding and recommend a weekly schedule for the early eradication of varices.
Gastric secretory studies were carried out in the following groups of patients: group A, 30 Salmonella typhi positive enteric patients, group B, 15 non-enteric fever patients and group C, 20 healthy controls. Patients with typhoid were divided into two subgroups on the basis of the severity of the disease: group A1 (17) consisted of uncomplicated cases of enteric fever and group A2 (13) comprised of those who had associated complications. During convalescence both groups of typhoid patients showed significantly lower basal acid output (BAO) and maximal acid output (MAO) levels compared with controls and patients with non-enteric fever. Patients in group A2 had significantly lower MAO levels compared with group A1 but the BAO levels showed no such difference. In contrast BAO and MAO levels during convalescence in patients with non-enteric fever were similar to those in the control group. After two months, there was a significant increase in both the BAO and MAO levels in groups A1 and A2. The levels in group A2, however, remained significantly lower compared with group A1, controls and patients with non-enteric fever. Histologically, the gastric mucosa did not show any significant abnormality in either group of typhoid patients. The results suggest that depressed gastric secretion is the result of enteric infection and is related to the severity of the disease process.
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Antacids are widely used in the management of duodenal ulcer but the optimum dose of antacid required for ulcer healing has not been determined. We therefore studied 107 patients with endoscopically diagnosed duodenal ulcer who were allotted at random to one of the following treatment groups; placebo (group P) and antacid (groups A, B and C). A liquid antacid (Aludrox MH, Wyeth) with neutralising capacity of 2.3 mmol HCl/ml was administered in graded doses of 7.5 ml (Group A), 15 ml (Group B), and 30 ml (Group C), one hour and three hours after each meal, six times a day for four weeks. Patients in group P received 15 ml liquid placebo in a similar fashion. Complete symptomatic relief was obtained in 33% of patients in the placebo group, 54% in antacid group A, 89% in group B, and 92% in group C. Endoscopic assessment at the end of four weeks of treatment gave an ulcer healing rate of 29% in the placebo group, 46% in group A (103.5 mmol antacid/day), 85% in group B (207 mmol/day), and 88% in group C (414 mmol/day). There was no significant difference in the healing rates and pain relief between placebo and antacid group A, while both groups B and C had significantly higher ulcer healing rates and pain relief compared with placebo (p less than 0.001) and antacid group A (p less than 0.01). Drug related unwanted effects were recorded only in group C - 28% of patients suffered from diarrhoea. It is concluded that the optimum antacid requirements for the treatment of duodenal ulcer is 90 ml (acid neutralising capacity, 207 mmol HCl) per day.
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The structural and functional status of the small bowel was examined in ten patients with lepromatous leprosy. The absorptive functions were essentially normal in all patients except for minor abnormalities; one patient had mild steatorrhea and two others had derangement of D-xylose absorption. Barium examination did not reveal any abnormality in any patient. Histological study of the small intestinal mucosa showed mild, partial villous atrophy in two patients and normal appearances in the remaining eight. The above abnormalities were mild and were not considered to be of any clinical significance. It is therefore concluded that the small bowel is not commonly involved in lepromatous leprosy.