John W Masson

Learn More
BACKGROUND Eosinophilic esophagitis in adults is regarded as unusual, being diagnosed mostly in young men presenting with dysphagia. Mucosal furrows are a sentinel endoscopic feature. This study examined the demographic and clinical profile of adults with eosinophilic esophagitis seen from 1981 to 2002. METHODS All patients from an Australian provincial(More)
BACKGROUND Major colonic haemorrhage poses difficult diagnostic and therapeutic problems and, in contrast to upper gastrointestinal bleeding, has no generally accepted plan of management. METHODS We report community-based prospective data accumulated over 2 years (1991-93) on 1602 patients referred to an open-access bleeding unit with suspected(More)
OBJECTIVE To describe patient participation and clinical performance in a colorectal cancer (CRC) screening program utilising faecal occult blood test (FOBT). METHODS A community-based intervention was conducted in a small, rural community in north Queensland, 2000/01. One of two FOBT kits--guaiac (Hemoccult-II) or immunochemical (!nform)--was assigned by(More)
OBJECTIVE To assess the feasibility of monitoring health outcomes in a routine hospital setting and the value of feedback of outcomes data to clinicians by using the SF 36 health survey questionnaire. DESIGN Administration of the questionnaire at baseline and three months, with analysis and interpretation of health status data after adjustments for(More)
BACKGROUND The Rockall scoring system was developed in unselected patients, the majority of whom did not receive endoscopic therapy. The aim of this study was to assess the validity of the Rockall system in high-risk patients who undergo endoscopic therapy for peptic ulcer hemorrhage. METHODS Rockall scores were calculated in 247 patients with major(More)
The open-access high dependency bleeding unit in Aberdeen admits all patients with suspected gastrointestinal bleeding from a stable adult population of 468,000. The aim is to reduce mortality, morbidity and hospital stay, and create a prospective whole community database. An agreed management protocol is based on prompt resuscitation and early diagnosis.(More)
BACKGROUND In subjects on a low nitrate diet, plasma nitrate concentration and urinary nitrate excretion are thought to reflect endogenous nitric oxide (NO) production, and have been reported to increase during infective and inflammatory bowel disease. AIMS To compare the extent of NO production in patients with infective versus non-infective forms of(More)
BACKGROUND & AIMS This multicenter, double-blind, controlled trial compared the efficacy of combined endoscopic hemostatic treatment using the heater probe plus thrombin injection with that of the heater probe plus placebo injection as treatment for peptic ulcers with active bleeding or nonbleeding visible vessels. Efficacy was defined in terms of primary(More)
  • 1