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References: Laxative






J Pediatr Gastroenterol Nutr. 1995 Jan;20(1):81-90.
The relationship between stool hardness and stool composition in breast- and formula-fed infants.

Quinlan PT, Lockton S, Irwin J, Lucas AL.

Unilever Research Laboratory, Sharnbrook, Bedford, UK.

"Constipation" and "hard stools" are associated with formula feeding of both term and preterm infants and, in the latter, can lead to life-threatening complications. This study tested the hypothesis that stool hardness is related to excretion of fatty acid (FA) soaps in term infants, and in the extreme to milk bolus obstruction in premature infants. Stools (n = 44) were collected from 20 formula-fed and 10 breast-fed infants aged 6 weeks and were classified using visual charts for stool hardness on a 5-point scale (1, watery; 5, hard). Stools were analysed for nitrogen, minerals, and lipid, the latter divided between the soap and nonsoap fractions. We explored the relationship between stool hardness or solids content and stool constituents, relative to both wet and dry weight. Calcium and FA soaps were the dominant factors significantly related to stool solids and hardness score across the breast- and formula-fed groups. An 8% increase in stool dry weight FA soap content corresponded to a 1-point change in stool hardness score. Stools from formula-fed infants had a higher solids content and were classified as significantly harder than those from breast-fed infants (hardness scores, 4.0 +/- 0.5 versus 2.6 +/- 0.7, mean +/- SD) and on both a wet- and dry-weight basis contained severalfold higher levels of minerals and lipid and considerably less carbohydrate. Differences in lipids between formula- and breast-fed infants' stools were due almost entirely to FAs (mainly C16:0 and C18:0) excreted as soaps (27.7 +/- 7.5% compared to 3.1 +/- 4.1% of dry weight), suggesting the groups differed markedly in their handling of saturated FAs. An inspissated stool sample from a premature infant requiring surgical disempaction of an obstructed small intest



Z Gastroenterol. 1994 Nov;32(11):637-41.
Prevalence of gastrointestinal symptoms in diabetic patients and non-diabetic subjects.

Enck P, Rathmann W, Spiekermann M, Czerner D, Tschope D, Ziegler D, Strohmeyer G, Gries FA.

Department of Gastroenterology, Heinrich Heine University, Dusseldorf, Germany.

To determine the frequency of gastrointestinal symptoms in diabetic patients, 190 patients, consecutively referred to the Diabetes Research Institute, reported their gastrointestinal symptoms on a standardized symptom list. One hundred and eighty non-diabetic healthy subjects served as (matched) controls. Finally, 75 patients with Type 1 (insulin-dependent) diabetes mellitus (33 male, 43 female; age 34,1 (18-60) yrs, diabetes duration: 11,1 (0,3-41) yrs) and 68 patients with Type 2 (non-insulin-dependent) diabetes mellitus (31 male, 37 female, age: 61,4 (37-88) yrs, diabetes duration: 10,7 (0,3-40) yrs) were studied and compared with two cohorts of controls of the same size. There were no differences in prevalence of symptoms referrable to the upper and lower GI-tract in type 1 diabetic patients as compared with controls. Among patients with type 2 diabetes the main gastrointestinal complaint was constipation (22,1% vs 10,3%; p < 0.05). Upper gastrointestinal symptoms were also more frequent among Type 2 diabetic subjects (nausea 11,8% vs 2,9%, p < 0.05). There was a tendency for an increased symptom prevalence with higher age in both type 1 and type 2 diabetes. Presence of peripheral neuropathy was associated with a higher symptom prevalence in type 1 diabetes. After stratification, diabetes duration and glycaemic control (HbA1c) did not influence the frequency of symptoms. Thus, gastrointestinal symptoms occur frequently among both diabetic patients and non-diabetic subjects. However, significant differences were found only in type 2 (non-insulin-dependent) diabetes, the commonest symptom being constipation. These findings support the need of a nondiabetic control group in epidemiological



Dig Dis Sci. 1994 Oct;39(10):2209-15.
Gastrointestinal transit through esophagus, stomach, small and large intestine in patients with progressive systemic sclerosis.

Wegener M, Adamek RJ, Wedmann B, Jergas M, Altmeyer P.

Department of Medicine, St. Josef-Hospital, Ruhr-University Bochum, Germany.

Liquid esophageal transit and gastric emptying, mouth-to-cecum transit, and whole gut transit of a solid-liquid meal were measured in 14 patients with PSS, 16 control subjects (esophageal transit), and 20 control subjects (gastrointestinal transit), respectively, by using scintigraphic techniques, the hydrogen breath test, and stool markers. In patients with PSS, the glucose hydrogen breath test for detection of small intestinal overgrowth was performed and various gastrointestinal symptoms were determined. Esophageal transit and gastric emptying were significantly prolonged in PSS patients with 11 of 14 PSS patients (79%) disclosing delayed esophageal transit and eight of 14 PSS patients (57%) disclosing delayed gastric emptying. All PSS patients with prolonged gastric emptying also had delayed esophageal transit and there was a significant positive correlation between esophageal transit and gastric emptying (r = 0.696, P < 0.01). No significant differences between PSS patients and controls were detected concerning mouth-to-cecum transit and whole gut transit, but abnormally delayed mouth-to-cecum transit was found in four of 10 PSS patients (40%) and abnormally prolonged whole gut transit was detected in three of 13 PSS patients (23%). Small bacterial overgrowth was diagnosed in three of 14 PSS patients (21%). Delayed esophageal transit and gastric emptying were associated with dysphagia, retrosternal pain, and epigastric fullness, while prolonged whole gut transit was associated with constipation. It is concluded that delayed gastric emptying is frequently associated with esophageal transit disorders in PSS patients and may be one important factor for the development of gastroesophageal ref



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