Search Results
Results 601 - 650 of 1223
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Halverson A L - - 1998
PURPOSE: Physiologic tests such as manometry, colonic transit times, balloon compliance, defecography, pudendal nerve latency, and electromyography are used to evaluate patients with severe constipation. Patients referred because of severe constipation between 1991 and 1996 were studied to examine the role that physiologic testing played in making a diagnosis and ...
Parramore J B - - 1998
Colorectal cancer is the third most frequent malignancy in adults of both sexes in this country, with 90 per cent of patients diagnosed after age 50 years. This disease is unusual in patients under 40 years of age, and controversy persists as to prognosis in this subset of patients. Patients ...
Wu J S - - 1998
PURPOSE: Although adenomatous polyps and even adenocarcinomas have been found in the terminal ileum of patients with familial adenomatous polyposis, the prevalence of neoplastic changes in the pouches of patients who have undergone restorative proctocolectomy is unknown. The objective of this study was to determine the frequency of pelvic pouch ...
Pillai R B - - 1998
A retrospective chart review on 77 children and adolescents (45 males and 32 females) with colorectal polyps seen over a 15-year period (1980-1994) was undertaken. Their presenting symptoms, demographic data, methods of diagnosis, pathologic diagnosis, and outcome were assessed. The age at presentation varied from 6 months to 19 years ...
Pickhardt P J - - 1998
PURPOSE: To determine the computed tomographic (CT) findings that are indicative of bowel disease in patients with cystic fibrosis. MATERIALS AND METHODS: CT scans in patients with cystic fibrosis were retrospectively reviewed for evidence of colonic abnormalities, including wall thickening, mural striation, fatty proliferation of the mesentery, and soft-tissue infiltration ...
Kristinsson J - - 1998
PURPOSE: The study contained herein was undertaken to investigate fecal calprotectin excretion in a series of patients with colorectal carcinoma and to determine whether the excretion was influenced by localization or stage of the tumor. Furthermore, the effect of surgical treatment on the concentrations was studied. Fecal calprotectin was also ...
Turégano-Fuentes F - - 1998
BACKGROUND: Palliative colostomy is still unavoidable in many patients with malignant obstruction of the left colon. This report describes an initial experience and follow-up in a small series of patients with left-sided colon obstruction in whom transanal self-expanding metal stent (SEMS) placement was attempted for palliative purposes. METHODS: Palliative transanal ...
Segal W N - - 1998
OBJECTIVE: The objective of this study was to determine whether specific clinical symptoms associated with hematochezia are predictive of important GI pathology and whether full colonoscopic examination is necessary. METHODS: A total of 103 outpatients (> or = 45 yr) with hematochezia, defined as the passage of bright red blood ...
Raad I I - - 1998
OBJECTIVE: To determine the duration of antimicrobial activity and the efficacy of indwelling catheters coated with minocycline and rifampin in preventing ultrastructural colonization. DESIGN: Multicenter, prospective, randomized, clinical trial. SETTING: Five university-based medical centers. PATIENTS: Cohort 1 consisted of 40 randomized patients in whom an equal number of minocycline- and ...
Sugarman I D - - 1998
OBJECTIVE: To assess the use of a transverse tubularized segment(s) of ileum in the Mitrofanoff or Malone antegrade colonic enema (MACE) procedures. PATIENTS AND METHODS: Eleven patients in three centres underwent the formation of a continent conduit to bowel (MACE, eight patients) and/or bladder (Mitrofanoff, four) using either a single ...
van Gorkom B A - - 1998
INTRODUCTION: A single high dose of sennosides is often used to optimize bowel preparation for diagnostic procedures. From previous studies it is suspected that sennosides in such a dose cause acute damage to the colonic mucosa. This study was designed to determine any effects of sennosides on histology of colonic ...
De Looze D - - 1998
From a questionnaire sent to 90 spinal cord injury (SCI) patients it is concluded that 58% of patients with a complete SCI above L2 suffer from constipation, defined as two or fewer bowel movements per week, or the use of aids such as laxatives, manual evacuation or enemas. Tetraplegic patients ...
el-Salhy M - - 1998
The motility disorders in patients with slow-transit constipation have been attributed to a disturbance in the peptidergic innervation of the colonic enteric nervous system. The nature of this disturbance is, however, controversial. In the present study 7 patients with long-standing severe slow- transit constipation were included, and normal tissues from ...
Mellgren A - - 1998
Rectocele is a frequent finding in constipated patients. However, constipation is not always relieved by rectocele repair, which may be due to other overlooked reasons for constipation. The study was designed to investigate patients with rectocele, in order to elucidate concomitant colorectal disorders and their association with rectocele. One hundred ...
Bouchoucha M - - 1998
The colonic response to food (CRF) is an integrated function of the colon that has been poorly studied in clinical practice. This study describes a new method to measure it, based on the progress of radio-opaque markers, and shows the results in healthy subjects and in patients with irritable bowel ...
Goldschmidt H - - 1998
Catheter-related infections (CRI) are an important problem in medicine because of major consequences for treatment, prolongation of hospitalization and increasing therapy costs. Malignancies, immunodeficiency, severe burns and malnutrition compromise host defense. Studies to quantify the increased risk of CRI in immunocompromised patients are required. We analyzed the influence of immunoglobulin ...
Bremmer S - - 1998
REPORT STUDY: Defaecography reports from 2816 patients were evaluated. Twenty-three percent of the investigations were considered normal, 31% showed rectal intussusception, 13% rectal prolapse, 27% rectocele, and 19% enterocele. A standardised protocol is suggested to ensure a complete evaluation of defaecography. One hundred and ten reports were unclear and reviewed. ...
Glia A - - 1998
BACKGROUND: The results of subtotal colectomy for slow-transit constipation are unpredictable. Abdominal pain, distension, and bloating often persist after operation. To ascertain whether patients with slow-transit constipation may have a generalized intestinal motor disorder, we studied the antroduodenal motor activity in 20 consecutive patients with slow-transit constipation. METHODS: All patients ...
Greenbloom S L SL Division of Gastroenterology, Mount Sinai Hospital, Toronto, - - 1998
Recent experimental evidence underscores the contribution of intestinal bacteria to the inflammatory process of Crohn's disease. This open study examined the efficacy and safety of combination ciprofloxacin and metronidazole for patients with active Crohn's disease of the ileum and/or colon. Seventy-two patients with active Crohn's disease of the ileum (n ...
Gerharz E W - - 1997
BACKGROUND: We report our experience with the Malone antegrade colonic enema (MACE) procedure in adult patients suffering from urinary incontinence and intractable constipation with or without fecal soiling. STUDY DESIGN: Since June 1990, the MACE procedure was initiated in 4 female and 12 male patients 14-54 years old (mean age, ...
Bremmer S - - 1997
PURPOSE: The aim of the present study was to evaluate how distention of the rectum with contrast medium at defecoperitoneography affected pelvic anatomy, i.e., position, form, and size, of organs and pouch of Douglas. PATIENTS AND METHODS: Twenty-six female patients with a peritoneocele at defecoperitoneography were selected for the present ...
Degen L P LP Division of Gastroenterology, University Hospital, Basel, - - 1997
We have recently described a reservoir for rectal replacement after total mesorectal excision for rectal carcinoma. The ileocecal segment with its intact extrinsic nerve and blood supply is placed between the ascending colon and the anal canal. This reconstruction has been shown to provide good defecation quality and anorectal function. ...
Toepfer M - - 1997
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder, characterized by progressive loss of motor neurons. However, ALS has been recognized to involve several non-motor systems, subclinically. Cardiac and sudomotor autonomic involvement in ALS has been described. Recently, delayed gastric emptying was reported. The aim of this study was to assess ...
Hirakata Y - - 1997
We examined the bacterial colonization of the upper respiratory tract of 110 patients with primary lung cancer (PLC), 75 patients with nonmalignant lung diseases (NMLD) and 45 healthy volunteers (HV), comparing the sensitivity of expectorated sputum, and throat and nasal swabs. The frequency of bacterial colonization of the upper respiratory ...
Rao S S - - 1997
Biofeedback therapy improves symptoms in patients with constipation and obstructive defecation. Whether it also improves anorectal function is unclear. Our purpose was to investigate prospectively the effects of biofeedback therapy on subjective and objective parameters of anorectal function in 25 consecutive patients with obstructive defecation. Biofeedback therapy consisted of pelvic ...
Lai K K - - 1997
An outbreak of vancomycin-resistant enterococci (VRE) began at the University of Massachusetts Medical Center in May 1993. As of September 1995, we had a total of 253 patients infected or colonized with VRE, with consequent increasing demand for private rooms. We analyzed results of surveillance cultures for VRE of 49 ...
Kayaba H - - 1997
PURPOSE: The purpose of this study is to establish a simple technique to evaluate anorectal motility and the dynamics of defecation. METHODS: Pressure fluctuations in the rectum and anal canal during 500 ml of saline infusion in the rectum and then a saline evacuation curve were recorded using manometer and ...
Chen C M - - 1997
One plausible mechanism by which dietary factors may influence colorectal carcinogenesis is through their effect on intestinal transit time. This study examined colonic transit by means of oral 67Ga-citrate in a case-series of patients who had developed recto-sigmoid adenoma. Adenoma patients had a significantly shorter transit time than constipated patients ...
Reshef R - - 1997
This study analyzed 432 consecutive polypectomies performed in 279 patients in the gastroenterology unit of a community hospital. The patients were separated into 2 groups; group I--symptomatic patients considered suitable for colonoscopic examination, and group II--asymptomatic high-risk patients. The mean number of detected polyps was similar in both groups, the ...
Mansour K A - - 1997
BACKGROUND: From 1972 to 1996, bowel interposition reconstruction after esophagectomy for benign and malignant conditions was performed in 129 of 131 patients. The indication for operation was benign disease in 94 patients (72.9%) and malignant disease in 35 patients (27.1%). Benign stricture was the most common presentation in the benign ...
Schouten W R - - 1997
PURPOSE: Although anismus has been considered to be the principal cause of anorectal outlet obstruction, it is doubtful whether contraction of the puborectalis muscle during straining is paradoxical. The present study was conducted to answer this question. METHODS: During the first part of the study, we retrospectively reviewed 121 patients ...
Machicado G A - - 1997
This article is concerned with current diagnosis and treatment of patients with severe lower gastrointestinal (GI) bleeding. Our purposes were to discuss tests available for diagnosis and treatment and to present our approach and to discuss cost assessment of different approaches. We evaluated 100 consecutive patients who presented with severe ...
Renga M - - 1997
BACKGROUND: The influence of gastrin on the colonic mucosa is still uncertain. Some authors have suggested a stimulating effect on the growth of normal and malignant colonic epithelium, while others have shown no association between gastrin and neoplastic development. AIMS: To evaluate the effect of gastrin on colorectal cell proliferation, ...
Peris K - - 1997
Muir-Torre syndrome (MTS) is an autosomal dominant disorder characterized by the presence of at least one sebaceous gland tumour and a minimum of one visceral malignant tumour. Recently, microsatellite instability (MSI) has been detected in the tumours of patients with MTS and germline mutations of the hMSH2 and hMLH1 mismatch ...
Wiersma T G - - 1997
The aim of the present study was to carry out a proper correlation between patients' clinical symptoms and the radiological findings obtained by dynamic rectal examination (DRE). At DRE, the small bowel and in females the vagina are routinely opacified in addition to defecography. A prospective study of 248 consecutive ...
Minamoto T - - 1997
Microsatellite instability (MI) and K-ras oncogene mutation have been widely used as biomarkers of genetic changes in colorectal cancer (CRC). Each of these biomarkers was independently found in normal-appearing colonic mucosa at stages preceding the development of CRC, albeit at a relatively low incidence. To assess the potential value of ...
Croizet O - - 1997
BACKGROUND: Adenomatous colonic polyps are accepted as premalignant lesions. There is controversy regarding the significance of the hyperplastic polyp. The aim of this study was to determine the incidence of further polyps in patients with only hyperplastic polyps on a first colonoscopy in comparison with patients without polyps and with ...
Nylund G - - 1997
A trephine stoma may be an attractive alternative for those patients who require a stoma but not a laparotomy. Twenty-seven consecutive patients were candidates for formation of a trephine stoma. A loop ileostomy was successfully constructed in seven patients and an end sigmoid colostomy in 15, while conversion to a ...
Jenkins P J - - 1997
OBJECTIVE: It has been suggested that patients with acromegaly may be at risk of developing colorectal carcinoma. In order to clarify this issue, we have evaluated the prevalence of carcinoma, premalignant tubulovillous adenomas and hyperplastic colonic polyps in a large cohort of patients with acromegaly. DESIGN: Prospective colonoscopic examination by ...
Johanns W - - 1997
BACKGROUND: Diathermy procedures are indispensable in interventional endoscopy. Argon beam coagulation is an innovative no-touch electrocoagulation technique in which high-frequency alternating current is delivered to the tissue through ionized argon gas. METHOD AND PATIENTS: Before clinical application, we conducted in-vitro studies to investigate the depth and diameters of tissue coagulation ...
Orbak R - - 1997
Different oral manifestations, the most prominent characteristics of the different oral symptoms, and oral colonization by Candida albicans were studied in 97 patients with leukemia and lymphoma. Oral manifestations usually occurred in both leukemias and lymphomas. The most common manifestation in both diseases was mucosal pallor. Oral colonization by Candida ...
Sharma V K - - 1997
OBJECTIVE: There is a paucity of data regarding the optimal form of bowel preparation for flexible sigmoidoscopy. Most endoscopists recommend enemas. A simpler preparation that is easy, acceptable, and that reduces patient encounter time would be desirable, and might be cost-effective. Our objective in this study was to evaluate a ...
Cabello H - - 1997
In contrast to the healthy population, distal airway bacterial colonization may occur in patients with chronic lung diseases, who often have altered pulmonary defences. However, the information dealing with this issue is insufficient and is based mainly on nonspecific samples, such as sputum cultures. Using quantitative cultures of bronchoscopic protected ...
Chan A A GI Diseases Research Group, Queen's University, Kingston, - - 1997
Oral sodium phosphate (NaP) has become an attractive alternative to polyethylene glycol (PEG) for colonic cleansing before colonoscopy, but it potentially has greater complications. This study surveyed members of the Canadian Association of Gastroenterology (CAG) to determine how these colonic lavage agents are used and what complications have been encountered. ...
Beezhold D W - - 1997
To assess the prevalence of skin and rectal colonization by vancomycin-resistant enterococci (VRE) in hospitalized bacteremic patients and to determine the relation between colonization and bacteremia, we compared 14 case patients who had bacteremia due to VRE with 30 control patients who had bacteremia due to other pathogens. Rectal colonization ...
Poorman J C - - 1997
OBJECTIVE: An association between Barrett's esophagus and colorectal neoplasia has been suggested; however, several studies addressing this issue have reported conflicting results. The purpose of this study, therefore, was to determine the prevalence of colorectal neoplasia in a large group of patients (50-80 yr old; mean, 65 yr) with Barrett's ...
Shafik A - - 1997
A physiological sphincter exists at the rectosigmoid junction; this rectosigmoid sphincter (RSS) relaxes on sigmoid colon contraction and contracts on rectal contraction. Eight cases of RSS hypertonia are presented herein. Six women and two men (mean age, 44.2 +/- 10.3 years) complained of chronic constipation of 9.6 +/- 6.2 years' ...
Shahrudin M D - - 1997
BACKGROUND/AIMS: Recently an increasing number of young colorectal carcinoma patients attending the University Hospital, Kuala Lumpur were noted. This report represents our experience with patients suffering from colorectal cancer aged 30 years or younger. MATERIALS AND METHODS: All cases of primary carcinoma of the colon and rectum admitted to the ...
Nyam D C - - 1997
BACKGROUND: Developments in anorectal physiologic testing have facilitated better understanding of the process of defecation and factors that might cause chronic constipation. AIM: Patients with severe idiopathic chronic constipation were evaluated using colonic transit and pelvic floor function in an attempt to identify those patients suitable for aggressive surgical intervention. ...
Triantafyllou K - - 1997
BACKGROUND/AIMS: In order to reduce the number of colonoscopies performed for the surveillance of patients after polypectomy, suitable predictors of adenomas recurrence are needed. The aim of this study was to find predictors of the early development of metachronous adenomas and specifically of advanced ones. MATERIALS AND METHODS: Forty-four patients ...
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