Search Results
Results 551 - 600 of 1220
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Shafik A - - 2000
In a previous study we determined the rectal pacing parameters needed for rectal evacuation in patients with rectal inertia. Here we investigated the effect of rectal pacing on rectal myoelectric activity, motility, and evacuation in ten patients with constipation due to rectal inertia. A pacemaker was implanted in a subcutaneous ...
Penning C - - 2000
BACKGROUND: Slow-transit constipation may be part of a pan-enteric motor disorder. To test this hypothesis 24-h ambulatory antroduodenal manometry was performed and orocaecal transit time determined in patients with slow-transit constipation and in healthy controls. METHODS: Antroduodenal motility was recorded with a five-channel solid-state catheter. Postprandial motility was recorded after ...
Kim W H - - 2000
The association between rectosigmoid polyps and polyps in the more proximal colon is still a matter of debate, and the need for colonoscopy in patients with rectosigmoid polyps that are detected by flexible sigmoidoscopy is controversial. The aim of this study was to determine whether or not certain characteristics of ...
Yilmaz E N - - 1999
Colonic ischaemia is a frequently observed serious complication following abdominal aortic reconstruction. For adequate treatment of this disorder, early diagnosis and resection of the diseased colon is essential. The purpose of this study was to evaluate a new method, based on pulse oximetry, to detect colonic ischaemia at an early ...
Takao Y - - 1999
Patients with constipation may have various pelvic complaints of difficult evacuation coexisting with infrequent evacuation and other abdominal complaints, and the overlapping of symptoms makes it difficult to select appropriate therapy based on clinical history and routine office examination alone. Cinedefecography is an objective method for examining patients who have ...
Prokesch R W - - 1999
OBJECTIVE: The aim of this study was to determine the value of radiological colon transit time (CTT) measurements in relation to defecography (DFG) in chronically constipated patients. MATERIALS AND METHODS: In 30 patients with chronic constipation, total and segmental CTT was determined using radiopaque markers. In all of these patients ...
Paran H - - 1999
INTRODUCTION: The use of retrograde irrigation enemas is common in the treatment of chronic constipation, especially in the elderly. Perforation of the rectum and sigmoid colon caused by cleansing enemas, used by chronically constipated patients, has not been previously described. METHODS: We reviewed all patients with colorectal perforations caused by ...
Fenlon H M - - 1999
BACKGROUND: Virtual colonoscopy is a new method of imaging the colon in which thin-section, helical computed tomography (CT) is used to generate high-resolution, two-dimensional axial images. Three-dimensional images of the colon simulating those obtained with conventional colonoscopy are then reconstructed off-line. We compared the performance of virtual and conventional colonoscopy ...
Reisman Y - - 1999
To examine the effect of patient's age and the location of diverticular disease on the course of the acute disease we retrospectively collected demographic data, symptoms, laboratory findings, imaging techniques, type of treatment (conservative vs. surgical), early and late complications, and follow-up data on 119 patients with acute diverticulitis (74 ...
Corazziari E - - 1999
Bulking agents are not always effective and are not well tolerated by many patients. Non-bulking laxatives are not devoid of side-effects. A satisfactory treatment for functional constipation is not yet available and an ideal drug to efficiently treat these patients is needed. Unlike commonly used laxatives, low doses of polyethylene ...
van Duijvendijk P - - 1999
OBJECTIVE: To compare the long-term functional results of ileorectal anastomosis (IRA) with those of ileal pouch-anal anastomosis (IPAA) in patients with familial adenomatous polyposis (FAP). SUMMARY BACKGROUND DATA: In patients with FAP, hundreds of colorectal adenomas develop, and the patient will die of colorectal cancer if left untreated. The surgeon ...
Glia A - - 1999
PURPOSE: This study was designed to evaluate symptoms and clinical findings in a prospective series of patients with chronic constipation. METHODS: A total of 155 consecutive patients with intractable constipation underwent detailed symptom registration, anorectal manometry, electromyography, colonic transit time measurement, and defecography. RESULTS: All investigations were completed by 134 ...
Bazzocchi G - - 1999
Low doses of polyethylene glycol solutions were administered in patients with long-standing constipation and in a subgroup with severe symptoms of obstructed defaecation and in whom anorectal surgery was considered. During treatment all patients with constipation improved and nineteen of the twenty-one patients with dyschezia became asymptomatic. Only two patients ...
El-Salhy M - - 1999
BACKGROUND: The aim of the present study was to investigate the colonic endocrine cells in patients with slow-transit constipation, to ascertain the presence of a possible abnormality. METHODS: Ten patients with chronic slow-transit constipation were investigated. As controls, macroscopically and histologically normal tissues from the colon of 12 patients were ...
Menghini V V - - 1999
OBJECTIVE: To describe the case of an elderly patient with ambiguous genitalia. METHODS: We report the clinical features of a 72-year-old man with ambiguous genitalia, discuss the possible etiologic factors, and examine the consequences of this diagnosis being determined at such a late stage in life. RESULTS: During surgical hemicolectomy ...
Barrier A - - 1999
BACKGROUND: There are very few studies evaluating the long-term functional outcome of coloanal anastomoses. This retrospective study aimed to compare long-term functional results of straight and colonic J pouch anastomoses. METHODS: Thirty-seven patients, 25 with a straight anastomosis and 12 with a J pouch anastomosis, responded to a standardized telephone ...
Javors B R - - 1999
OBJECTIVE: Previous studies of sigmoid volvulus have focused on the migration and dilatation of the sigmoid with respect to both fixed and mobile landmarks in the abdomen. None has specifically referred to the relationship of this colonic segment to the more proximal large intestine. We analyzed findings on abdominal radiographs, ...
Mirk P - - 1999
OBJECTIVE: To our knowledge, Doppler data for the inferior mesenteric artery are currently restricted to healthy patients. The present study was conducted to evaluate changes in inferior mesenteric artery flow in patients with inflammatory bowel disease. SUBJECTS AND METHODS: Doppler sonography of the inferior mesenteric artery was prospectively performed in ...
Mollen R M - - 1999
OBJECTIVE: To further delineate motor activity of the upper gastrointestinal tract in patients with slow-transit constipation. DESIGN: A prospective study comparing healthy volunteers with patients with a clinical diagnosis of slow-transit constipation. METHODS: Eighteen patients with clinical diagnosis of slow-transit constipation and 10 healthy controls were included in the study. ...
Ueda D - - 1999
BACKGROUND: Salmonella enterocolitis (SE) is one of the important causes of acute infectious diarrhoea. Imaging studies are rarely performed on these patients. Consequently, ultrasound (US) features of SE are controversial. OBJECTIVE: To identify the clinical significance of US in the evaluation of SE. MATERIAL AND METHODS: Abdominal US was performed ...
Leroi A M - - 1999
The aim was to study fasting and postprandial rectal tone in patients with cauda equina injury. Electromechanical barostat measurement of rectal tone was made in 13 healthy volunteers and in five patients during a 10 min recording, while fasting and for 1 h after a 1000 kCal intake. A prompt ...
Guingrich J A - - 1999
OBJECTIVE: The purpose of this study was to determine the prevalence and spectrum of colonic wall changes in patients with cirrhosis and to determine the association between these colonic wall changes and portal hypertension. MATERIALS AND METHODS: Abdominal CT examinations of 57 patients with cirrhosis were evaluated for colonic abnormalities ...
Painter J - - 1999
BACKGROUND AND STUDY AIMS: The depth of insertion at flexible sigmoidoscopy is variable, depending upon bowel preparation, patient tolerance and distal colonic anatomy. Many endoscopists routinely aim to insert the 60 cm flexible sigmoidoscope to the splenic flexure; however internal endoscopic markers are unreliable, making the true anatomical extent of ...
Hwang J C - - 1999
BACKGROUND: To evaluate the computed tomographic (CT) features of colonic wall thickening in cirrhotic patients and to determine their prognostic value. METHODS: We retrospectively reviewed 28 cirrhotic patients with colonic wall thickening (>/=10 mm) on CT. Twenty-six of the 28 patients had hepatocellular carcinoma. The severity of hepatic dysfunction was ...
Tollemar J - - 1999
Candida overgrowth and invasion constitute a serious threat with a high mortality in BMT recipients. Currently available topical antifungal prophylaxis is largely ineffective, and as resistance to existing, absorbable drugs for systemic use is rapidly developing, new forms of therapy are needed. We investigated the effect of oral treatment of ...
Bandla H P - - 1999
INTRODUCTION: Chronic constipation is a common symptom in pediatrics, and physicians often use mineral oil to treat chronic constipation in children. Mineral oil, a hydrocarbon, may not elicit a normal protective cough reflex and may impair mucociliary transport. These effects can increase the likelihood of its aspiration and subsequent impaired ...
Greenwald DA - - 1999
Colon ischemia is expressed in a broad clinical spectrum, from mild, reversible ischemia to intestinal infarction and gangrene. In most cases, the precipitating cause is unknown, and colonic blood flow usually has normalized by the time the patient seeks medical attention. Satisfactory treatment begins with accurate diagnosis, which depends on ...
Honig E - - 1999
BACKGROUND: Maternal cervicovaginal colonization with Lancefield group B streptococci (GBS) is an important risk factor for neonatal morbidity and mortality. About 15% of women are carriers of GBS. Usually, they are asymptomatic. CASES: We describe two patients with symptomatic vaginitis for which no apparent cause was found. Both patients were ...
Brandt L J - - 1999
BACKGROUND: Colon vascular ectasias are a common cause of lower intestinal bleeding among the elderly. The lesions may be difficult to diagnose at colonoscopy because they are small and their appearance may be influenced by the patient's blood pressure, blood volume, and narcotic sedation during the procedure. The purpose of ...
Germino B B - - 1998
Patients with ESRD and their families experience a variety of transitions across the trajectory of this chronic illness. A major transition occurs when patients who have been perceived as chronically ill become terminally ill, as changes and complications limit options for treatment. These changes are very disruptive, characterized by uncertainty ...
Chamberlain R S - - 1998
Enterocutaneous fistulae that develop in patients with cancer represent a difficult management situation, which is often complicated by prior treatment including surgery, radiation therapy, and chemotherapy. A fistula may in turn delay potentially beneficial treatment of the underlying malignancy. To provide a better understanding of this problem, we reviewed the ...
Bassotti G - - 1998
PURPOSE: There are few data about the relationships between colonic motor behavior and higher brain functions, such as sleep. Previous studies were done in healthy subjects, and it is unknown whether patients with functional motor disorders of the colon behave differently. This study was designed to characterize colonic motor activity ...
Glia A - - 1998
BACKGROUND: Constipation is a collective term for symptoms of different aetiologies and pathophysiologies. Our aim was to determine the prevalence of colorectal pathophysiology findings in a prospective series of patients with chronic constipation. METHODS: A total of 155 consecutive patients with chronic constipation underwent anorectal manometry, electromyography (EMG), the balloon ...
Bernini A - - 1998
PURPOSE: Treatment of severe constipation caused by combined colonic inertia and nonrelaxing pelvic floor is controversial. This study is designed to evaluate the outcome of preoperative biofeedback and subtotal colectomy for patients with combined colonic inertia and nonrelaxing pelvic floor. METHODS: One hundred six patients who underwent subtotal colectomy for ...
Jeppesen P B - - 1998
BACKGROUND: Colonic digestion has been reported to salvage up to 3-4 MJ/day in short-bowel patients (approximately 50% of the daily requirements). METHODS: A cross-sectional study of the parenteral support given to a total cohort of 73 patients receiving home parenteral nutrition (HPN) in Denmark on 31 December 1995 was performed ...
Levitt M D - - 1998
We recently encountered a patient with severe flatulence who previously had been subjected to innumerable diagnostic tests and ineffective therapies based on the belief that his rectal gas was produced in the colon. Analysis of three flatus samples demonstrated that nitrogen (N2) was the predominant flatus gas whereas the three ...
Kedir M - - 1998
A retrospective analysis of nine consecutive cases of ileosigmoid knotting (ISK) that were seen at Gondar hospital from 1993 to 1995 is presented. Ileosigmoid knotting is a condition in which the ileum and the sigmoid entangle each other to form a knot and become gangrenous. It was found that the ...
Chadha R - - 1998
BACKGROUND/PURPOSE: The authors' recent experience with the study of the presentation, the pathological anatomy, and results of management of congenital pouch colon (CPC) malformations is presented. The possible embryogenesis of this condition is discussed. METHODS: Between January 1991 and June 1997, CPC with anorectal agenesis was diagnosed in 39 patients, ...
Yuan C S - - 1998
This study was conducted to survey gut motility and transit in 19 volunteers receiving methadone maintenance who were opioid-dependent, and to measure the oral-cecal transit time in these individuals using the lactulose hydrogen breath test. None of these patients reported constipation problems before use of illicit drugs. During current long-term ...
Arnell T - - 1998
Obstruction is the presenting symptom of colorectal cancer in up to 40 per cent of patients. Benign strictures and other neoplasms including lymphoma and gynecologic tumors occur as well. Emergent operative therapy is often suboptimal and associated with significant morbidity and mortality. Our objective was to review our experience with ...
Paspatis G A - - 1998
OBJECTIVES: We sought to determine whether the evaluation of rectal cell proliferation in routinely processed rectal biopsies of apparently normal mucosa can predict the presence of advanced colonic neoplasms. METHODS: Fifty consecutive patients, who did not meet any of the following exclusion criteria, underwent total colonoscopy. Patients with nonadvanced adenomas, ...
Speroni A H - - 1998
BACKGROUND AND STUDY AIMS: p53 gene mutation and the ensuing overexpression of its protein is one of the steps related to colorectal carcinogenesis. This study analyzed the relationships between immunohistochemically detected p53 protein accumulation in colonic adenomas and morphological and clinical indicators of risk of malignant transformation and relapse. PATIENTS ...
Ogutu E O - - 1998
OBJECTIVE: To determine the types and prevalence of colonic diseases in Kenyan African patients referred for colonoscopy with lower gastrointestinal tract symptoms. DESIGN: A cross sectional survey conducted over a two year period. SETTING: Major private hospitals in Nairobi. PATIENTS: Two hundred forty seven consecutive patients of both sexes and ...
Jost W H - - 1998
Constipation is very common in Parkinson's disease. It is still not known whether constipation is due to a slow transit of the colon or an outlet obstruction. We examined 25 patients (11 women, 14 men, mean age 62 years) with newly diagnosed idiopathic Parkinson's disease. All patients had typical clinical ...
Swidsinski A - - 1998
BACKGROUND & AIMS: Although multiple studies have focused on Helicobacter pylori, little is known about the mucosa-associated flora of the colon. The aim of this study was to detect bacteria directly in colonic mucosa from patients screened for colorectal cancer. METHODS: Bacteria were quantified with the polymerase chain reaction and ...
De Looze D A - - 1998
PURPOSE: Constipation is a common problem in patients with spinal cord injury. The aim of this study is to analyze the role of pelvic floor dysfunction in the development of constipation. METHODS: Twenty-five patients with clinically complete supraconal spinal cord injury were studied by means of colonic transit time, anal ...
Joo J S - - 1998
Cathartic colon is a historic term for the anatomic alteration of the colon secondary to chronic stimulant laxative use. Because some have questioned whether this is a real entity, we investigated changes occurring on barium enema in patients ingesting stimulant laxatives. Our study consisted of two parts. In part 1, ...
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 ...
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