References: Laxative
J Urol. 2000 Sep;164(3 Pt 2):1084-7.
Laparoscopic antegrade continence enema in situ appendix procedure for refractory constipation and overflow fecal incontinence in children with spina bifida.
Van Savage JG, Yohannes P.
Division of Pediatric Urology, Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky, USA.
PURPOSE: The antegrade continence enema procedure allows patients with neurogenic bowel to administer large volume enemas through a right lower quadrant stoma to flush the colon every other day. This procedure results in freedom from refractory constipation and diapers required by unexpected episodes of overflow fecal incontinence. We present a simplified laparoscopic technique using in situ appendix. MATERIALS AND METHODS: A total of 6 male and 10 female children with a mean age of 12 years (range 4 to 21) and neurogenic bowel secondary to myelomeningocele underwent the antegrade continence enema in situ appendix procedure. The procedure was done with laparoscopic assistance, and associated with other bladder and bladder outlet reconstructive surgery in 5 patients. In 3 patients, a purely laparoscopic antegrade continence enema in situ appendix procedure was performed. The appendix and cecum were mobilized, and the tip of the appendix was anastomosed directly to the skin of the right lower quadrant through 1 of the 5 mm. lower quadrant port sites. The continence mechanism is simply a function of the appendix length and the mucosal coaptation of the appendiceal lumen. A 6Fr silicone Foley catheter is used to stent the mucocutaneous anastomosis. Concomitant procedures included ileocystoplasty, ileovesicostomy, sigmoidovesicostomy or ureterovesicostomy, and/or pubovaginal sling done through a low Pfannenstiel incision after laparoscopic mobilization of the appendix and cecum. RESULTS: The 3 patients treated with the laparoscopic antegrade continence enema procedure ate the day of surgery and were discharged home the next morning. Constipation and f
J Korean Med Sci. 1992 Dec;7(4):353-9.
Acetylcholinesterase histochemistry of rectal suction biopsies in the diagnosis of Hirschsprung's disease.
Park WH, Choi SO, Kwon KY, Chang ES.
Department of Surgery, Keimyung University Dongsan Medical Center, Taegu, Korea.
Rectal suction biopsy with acetylcholinesterase (AChE) histochemistry has gained increased acceptance as the means of definitely diagnosing Hirschsprung's disease (HD) as well as of excluding this diagnosis when evaluating children with low intestinal obstruction or chronic constipation since the report of Meier-Ruge et al. in 1972. But this AChE histochemical study has not been reported yet in Korea. During the 14-month period from April, 1991 through June, 1992, 37 children, aged 3 days to 17 years had rectal suction biopsies for the diagnosis or exclusion of HD. In this study, AChE histochemistry (N = 37) was compared with hematoxylin & eosin (H&E) staining of same suction biopsy specimens (N = 35) for diagnostic accuracy. The histochemical criterion used for the diagnosis of Hirschsprung's disease was that of Chow et al. (1977), i.e., the presence of many coarse discrete cholinergic fibers in the muscularis mucosae and in the immediately subjacent submucosa regardless of an infiltration of cholinergic fibers in the lamina propria. Of 13 biopsies from the patients with Hirschsprung's disease (N = 13), there were 12 positive reactions, and one false negative reaction in a neonate with total colonic aganglionosis. All biopsies from 24 unaffected children demonstrated negative reactions with no false positive reaction. In comparison, of the 35 specimens examined by H&E staining, ganglion cells were present in the submucosal Meissner's plexus only in 15 of these 24 unaffected children. In conclusion, a 97% diagnostic accuracy was achieved with AChE histochemistry compared with a 74% accuracy with H&E staining (P < 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)
Laxative online source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=1299239&dopt=Abstract constipation laxative colon cleansing
Eur J Clin Invest. 2000 Aug;30(8):709-14.
Proximal and distal gut hormone secretion in slow transit constipation.
Penning C, Delemarre JB, Bemelman WA, Biemond I, Lamers CB, Masclee AA.
Department of Gastroenterology-Hepatology, Leiden University Medical Centre, The Netherlands.
BACKGROUND: It has been suggested that slow transit constipation might be part of a panenteric disorder. Gastrointestinal peptides are involved in regulation of motility. DESIGN: In the present study we have evaluated whether plasma levels of proximal and distal gut hormones in the fasting state, and for 120 min after a solid meal in 29 patients with slow transit constipation are different from those obtained from 29 healthy controls. Plasma levels of the gut hormones cholecystokinin, gastrin, pancreatic polypeptide, motilin, neurotensin and peptide YY were determined using sensitive radioimmunoassays. In the patient group, oro-caecal transit time was determined by means of the hydrogen breath test on a separate test day. The results of transit were related with postprandial hormone secretion. RESULTS: Fasting plasma levels of cholecystokinin and pancreatic polypeptide were significantly (P < 0.05) increased in constipated patients. Postprandially, secretion of pancreatic polypeptide and cholecystokinin was significantly (P < 0.05) increased in the patients, while secretion of peptide YY was significantly (P < 0.05) reduced. Plasma motilin levels were not different between patients and controls. Altered postprandial hormone secretion was mainly observed in constipated patients with prolonged oro-caecal transit time. CONCLUSIONS: In patients with slow transit constipation, fasting and postprandial secretion of proximal gut hormones apart from motilin is increased and of distal gut hormones decreased, especially in those with severely delayed intestinal transit.
Laxative online source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10964163&dopt=Abstract constipation laxative colon cleansing
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