References: Laxative





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Bartter's syndrome is characterized by hypochloremia, hypokalemia, metabolic alkalosis associated with renal potassium leakage, and normal blood pressure despite increased plasma renin activity. Although association of empty sella with Gitelman syndrome has been reported, no association has been reported with Bartter's syndrome. Here we report a patient with Bartter's syndrome and empty sella. A 12 month-old male patient presented with a history of nausea, vomiting, abdominal distension, constipation, and edema in the lower extremities that had begun in the early postnatal period. The patient was born at 32 weeks gestation by operative delivery for polyhydramnios. Blood pressure was normal. Serum sodium, potassium, calcium, phosphate, chloride, albumin and alkaline phosphatase levels were 129 mEq/l, 2.5 mEq/l, 9 mg/dl, 3.8 mg/dl, 72 mg/dl, 4.2 g/dl and 1285 IU/l, respectively. Serum magnesium level was normal. Arterial blood gas levels revealed pH 7.55 (normal, 7.35-7.45), PCO2 33.6 mm/Hg (36-46), base excess +7.1 (+/- 2.3), and total CO2 33.6 mmol/l (23-27). Renin and aldosterone levels were elevated. Urine had pH 8.0 and specific gravity 1.010. Urinary calcium excretion was 22.8 kg/day (urine calcium/creatinine ratio 0.46). Urinary potassium and chloride levels were elevated. MRI of the brain was normal except for partially empty sella. We present the first pediatric patient with the association of Bartter's syndrome and empty sella.

online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=14513887&dopt=Abstract [PubMed - in process]

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Dig Dis Sci. 1993 Jun;38(6):1004-8.
Straining at stool and laxative taking in an English population.

Heaton KW, Cripps HA.

Department of Medicine, University of Bristol, England.

A population-based sample of 834 men (ages 40-69 years) and 1058 women (25-29 years) was investigated with respect to straining to defecate, stool form, bowel habit, and use of laxatives, by means of a questionnaire and a three-stool record form. Straining was common but, contrary to standard teaching, far from universal. It was unrelated to age but was commoner in women than men. Many people underestimated how often they strained. Overall, 32% of defecations in women and 22% of defecations in men were associated with straining to start and 15% and 9%, respectively, with straining to finish. Straining was to some extent related to stool type: the lumpier a stool, the more often it elicited straining. However, it seems likely that straining in some people is just a habit. Use of laxatives was found to be less prevalent than in the past, and most people with evidence of constipation did not use them. Use of laxatives increased with age, and some older people used them inappropriately. The most popular laxatives were based on phenolphthalein, senna, or magnesium.

online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=8508693&dopt=Abstract

temp/constipation-1.matches:yahoo.com.cn

OBJECTIVE: To investigate the changes of the mast cells (MCs) and substance P (SP), and to elucidate their possible roles in visceral hypersensitivity in patients with irritable bowel syndrome (IBS). METHODS: In 22 diarrhea-predominant IBS, 20 constipation-predominant IBS and 19 controls, the biopsies were carried out from the terminal ileum, the ileocecal junction, the ascending colon, and the sigmoid colon. The MCs and the SP-ergic nerve terminals, SP receptor (SPR) cells were stained by histochemistry and immunohistochemistry respectively, and the results were investigated qualitatively and quantitatively by color image analyzer. The biopsies of the ICJ and the sigmoid colon were measured by radioimmunoassay. The structure relation between the MCs and SP-ergic terminals, SPR-ergic cells were studied through an ultramicroscopy using in situ embedding technique and a light microscopic study in serial sections respectively. RESULTS: The number of MCs in the terminal ileum, the ileocecal junction, and the ascending colon were significantly elevated in IBS patients (P < 0.01), and the MCs in IBS have great variations. Significantly increased the SP-ergic nerve terminals were found in patients with IBS of intestine compared with the control. The correlation between mucosal MC and the SP-ergic nerve terminals was found, and MCs were close to these terminals in lamina propria, which were demonstrated SP-ergic nerve terminals. Some MCs were demonstrated to be SPR-positive cells. CONCLUSIONS: The MCs and SP of intestinal mucosa may play a central role in the gut hypersensitivity in both motor response and visceral perception in IBS.
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