References: Laxative
temp/constipation-1.matches:hus.fi
INTRODUCTION: A totally transanal operation for classic Hirschsprung's disease has become increasingly popular during the last few years. The procedure leaves no scars, is associated with less postoperative pain and discomfort and shortens hospital stay. The most commonly used technique for transanal pull-through is long endorectal dissection leaving a long muscular cuff, which is usually split posteriorly. We present our preliminary results following transanal endorectal operations with a short unsplit muscular cuff. MATERIALS AND METHODS: Twenty-six patients underwent short-cuff transanal endorectal operation for Hirschsprung's disease between years 2000 and 2002. Patients' hospital records were analysed retrospectively. The collected data included age at operation, associated conditions, hospital stay and time to full enteral feeding, occurrence of pre- and postoperative enterocolitis and preoperative stoma, operative complications, need for postoperative anal dilatations, postoperative perianal skin problems and preliminary data on bowel function. RESULTS: The median age at operation was 1 month (range 0 - 60 months), 13 patients were operated on in the neonatal period. Four patients had Down's syndrome, 1 had cartilage-hair hypoplasia and one Ondine's syndrome. Five patients had preoperative enterocolitis. Four patients had undergone levelling stoma formation for unremitting constipation or enterocolitis. The proximal ganglionic stoma was concomitantly pulled-through and anastomosed to the anus in all 4 patients with a stoma. One patient with aganglionosis extending to the proximal sigmoid required additional laparoscopic colonic mobilisation. Complications related to surgery did not occur in the present series. Median postoperative hospital stay was 3 days
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Yonsei Med J. 2003 Aug 30;44(4):653-64.
Investigation into the effects of mosapride on motility of Guinea pig stomach, ileum, and colon.
Ji SW, Park HJ, Cho JS, Lim JH, Lee SI.
Department of Internal Medicine, Yongdong Severance Hospital, Yonsei University College of Medicine, 146-92 Dogok-dong, Kangnam-gu, Seoul 135-720, Korea.
Mosapride citrate (Mosapride) is a new prokinetic agent that enhances the gastrointestinal (GI) motility by stimulation of 5-HT4 receptors. This agent stimulates acetylcholine release from enteric cholinergic neurons in the GI wall. It was reported in several studies that mosapride selectively enhanced the upper, but not lower, GI motor activity. However, in these studies other 5-HT4 receptor agonists exerted stimulating effects on the motility of the colon. Moreover, it is well known that the receptors of 5-HT4 are also located in the colon. The purpose of this study was to estimate the effect of mosapride on the motility of the stomach, ileum and colon in the guinea pig and to investigate whether or not mosapride influenced the colonic motility. Mosapride significantly increased the amplitude of the contraction waves in the guinea pig stomach by electrical stimulation. In addition, it significantly increased the number of peaks, the area under the curve and the propagation velocity of the peristaltic contraction of the guinea pig ileum in a concentration dependent fashion. Mosapride also significantly shortened the transit time of the guinea pig colon. Accordingly, we concluded that mosapride exerted prokinetic effect on the entire GI tract of the guinea pig. Based on the possibility of similar results in humans, we suggest the potential use of mosapride for lower GI motor disorders such as constipation and upper GI motor disorders such as gastroesophageal reflex disease or gastroparesis.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12950122&dopt=Abstract
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Drugs Exp Clin Res. 2003;29(2):91-4.
Do cytochrome enzymes influence the therapeutic effect of tropisetron in fibromyalgia?
Stratz T, Kees F, Muller W.
Hochrhein-Institut fur Rehabilitationsforschung, Bergseestrasse 61, D-79713 Bad Sackingen, Germany.
It is well known that the 5-HT3 receptor tropisetron shows a bell-shaped dose-response curve in the treatment of pain associated with fibromyalgia. The best results are achieved with a daily oral dose of 5 mg for 10 days. Dosages of 10 and 15 mg per day have a much weaker effect. If tropisetron is administered by intravenous injection, a regimen of 5 mg per day over 5 days will suffice to reduce pain substantially. An open study of selected cases revealed that 2 mg of tropisetron daily for 5 days also yielded satisfactory pain reduction, whereas this was not observed in a placebo-controlled double-blind study. We therefore investigated which factors might be responsible for the different effects of the drug. Judging from the above-mentioned studies, the effect of a minimum dosage of tropisetron could be assumed to be partly attributable to the different half-life periods. This is supported by the markedly different rates of constipation, a characteristic side effect of the drug, reported by the two studies.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12951840&dopt=Abstract [PubMed - in process]
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