Active clinical trials for "Ulcer"

The purpose of this study is to determine the reason patients are deficient in nutrients intake such as antioxidants vitamins.

Stress ulcers or stress-related mucosal disease (SRMD) is defined as "acute superficial inflammation lesions of the gastric mucosa induced when an individual is subject to abnormally elevated physiologic demands."[1] Studies have shown that SRMD occurred in 75%-100% ICU patients[1]. Gastrointestinal bleeding due to SRMD is an important complication in critically ill patients. The frequency of clinically important bleeding ranged from 5.3% to 33%.[2] The mortality in ICU patients with stress related bleeding approaches 50%, which is much higher than the patients without bleeding (9%). [3] In 1999, the American Society of Health-System Pharmacists (ASHP) published guidelines on the use of stress ulcer prophylaxis in medical, surgical, respiratory, and pediatric ICU patients [2]. PPIs and H2RA are widely used in China current clinical practice for the prevention of stress ulcer bleeding. However, there is no epidemiology data to show the risk factors for stress ulcer bleeding and the bleeding rate of Chinese neurosurgical critically ill patients who are usually suffering from brain trauma, cerebral haemorrhage or brain tumour operation. Information is needed to know about the characteristics in Chinese critically ill neurosurgical patients. Objectives of this Non-Interventional Study Primary Primary objective: To estimate the overall incidence of upper gastrointestinal (GI) bleeding in critically ill neurosurgical patients in China. Main secondary objective To estimate the incidence of upper GI bleeding with clinically significant complications in critically ill neurosurgical patients in China. To estimate the incidence of any overt upper GI bleeding without clinically significant complications in critically ill neurosurgical patients in China. To assess time to upper GI bleeding after a cerebral lesion. To investigate potential risk factors associated with upper GI bleeding, and assess how common certain risk factors occurred in upper GI bleeding patients. To assess the overall incidence of upper GI bleeding in critically ill patients by different risk factors for upper GI bleeding. To investigate the drugs, the route of administration, the doses and the duration commonly used for stress ulcer prophylaxis. To investigate the proportion of ICU patients with nasogastric tube, and the duration of nasogastric tube. (ICU: Intensive care unit PPIs: Proton pump inhibitors H2RA: H2 receptor antagonist)

This case-control study will screen for dysmenorrhea and assess severity of menstrual symptoms in menstruating women with CD and UC compared with healthy age-matched controls. IBD activity will be characterized using previously validated clinical disease activity indices. General and health-related quality of life will be assessed using validated measures.

The purpose of this protocol is: To quantify the prevalence of adherence to topical mesalamine in patients with UC To describe the determinants of medication adherence in patients with UC prescribed topical mesalamine

Low-dose aspirin is the mainstay of treatment for patients with coronary heart disease and stroke. However, low-dose aspirin increases the risk of ulcer bleeding. Current evidence indicates that 80 - 100 mg of aspirin daily provides good protection against vascular events and the risk of ulcer bleeding is low (about 1% per year). Since the overall risk of bleeding is low, aspirin users who do not have previous ulcer disease do not require prophylaxis with anti-ulcer drugs. In contrast, aspirin users with a history of ulcer disease have a 2- to 4-fold increased risk of ulcer bleeding. The best strategy for reducing the risk of bleeding in high-risk aspirin users remains unclear. Current strategies for high-risk patients include the use of anti-ulcer drugs, elimination of risk factors (e.g. Helicobacter pylori). Recently the investigators have shown that among aspirin users who are infected with H. pylori, the eradication of H. pylori is comparable to omeprazole, a proton pump inhibitor (PPI), in preventing recurrent ulcer bleeding in 6 months. The investigators postulated that among patients with H. pylori infection and a history of ulcer bleeding who continue to use low-dose aspirin, the long-term risk of ulcer complications after eradication of H. pylori is comparable to that of average-risk aspirin users.

The purpose of the potential research study participant registry is to keep potential research subjects informed about any future research studies in which they may meet the criteria for enrollment. The purpose of this study is also to assist current and future clinical trials with recruitment of subjects.

Perforated peptic ulcer (PPU) is a common surgical emergency. Exploratory laparotomy and repair with the omental patch are routine surgical intervention till now. In developing counties, laparoscopic repair is still not considered the gold standard in this emergency condition. This study was conducted to evaluate laparoscopic management of PPU in terms of peri-operative outcomes.

The main objective of our study is to identify the risk factors for postoperative morbidity after surgical treatment of Perforated peptic ulcer

Ulcerative colitis (UC) is a chronic inflammatory condition of unknown aetiology, characterized by a diffuse confluent mucosal inflammation of the colon starting from the rectum with a relapsing and remitting course. Conventional endoscopy was thought to be a reliable parameter of disease activity, but microscopic inflammation can persist despite normal mucosal findings. Histologically detectable inflammation is associated with a greater risk of subsequent relapse. A flare in UC activity is difficult to predict, but a simple, easily measured biological marker of relapse would be important in guiding the most appropriate therapy. Recent technological advances in fiber optics, light sources, detectors, and molecular biology have stimulated development of numerous optical methods that promise to significantly improve our ability to evaluate human epithelium in vivo. These methods, collectively termed "optical biopsy," are nondestructive in situ assays of mucosal histopathology using light that can provide instantaneous tissue assessment. Narrow band imaging (NBI) is a novel technique that enhances the diagnostic capability of endoscopes in characterising tissues by using filters in a redgreenblue (RGB) sequential illumination system. This results in improved mucosal contrast and detail. UC always involves the distal colon and activity is usually greatest in rectosigmoid area. This makes evaluation of the rectum and sigmoid an attractive marker in patients with UC. Unlike serum and faecal markers, endoscopic assessment of the mucosa is unlikely to be affected by systemic disease and would be acceptable test for patients and physicians. We plan to evaluate THE rectosigmoid mucosa in patients with UC by flexible endoscope using both white light and NBI endoscopy. These patients will be followed by for one year or until they relapse, whichever comes first. The aim of our study is to develop endoscopic biomarkers to predict relapse in acute and quiescent UC.

The purpose of the investigators study is to investigate the factors associated with rebleeding in patients with peptic ulcer bleeding.