Search Results - "Gillen, Derek"

Evaluation of autofluorescence colonoscopy for the detection and diagnosis of colonic polyps by McCallum, Audrey L., MRCS, Jenkins, John T., FRCS, Gillen, Derek, MD, Molloy, Richard G., MD

“…Background Colorectal cancer is the second most common cause of death in the United Kingdom. Most cancers are believed to arise within preexisting adenomas…”
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Increased prevalence of precancerous changes in relatives of gastric cancer patients: Critical role of H. pylori by El–Omar, Emad M., Oien ‡,§, Karin, Murray, Lilian S., El–Nujumi, Adil, Wirz, Angela, Gillen, Derek, Williams ∥, Craig, Fullarton ¶, Grant, McColl, Kenneth E.L.

“…Background & Aims: Helicobacter pylori is believed to predispose to gastric cancer by inducing gastric atrophy and hypochlorhydria. First-degree relatives of…”
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Helicobacter pylori eradication releases prolonged increased acid secretion following omeprazole treatment by Gillen, Derek, Wirz, Angela A., McColl, Kenneth E.L.

“…Background & Aims : Rebound increased acid secretion has been observed at 2 weeks after discontinuing omeprazole treatment in Helicobacter pylori-negative, but…”
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Rebound hypersecretion after omeprazole and its relation to on-treatment acid suppression and Helicobacter pylori status by Gillen, Derek, Wirz, Angela A., Ardill, Joy E., McColl, Kenneth E.L.

“…Background & Aims: There have been conflicting reports regarding acid secretion after treatment with omeprazole. This study examined acid secretion after…”
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Omeprazole, Helicobacter pylori status, and alterations in the intragastric milieu facilitating bacterial N-nitrosation by Mowat, Craig, Williams, Craig, Gillen, Derek, Hossack, Margaret, Gilmour, Denise, Carswell, Andrew, Wirz, Angela, Preston, Tom, McColl, Kenneth E.L.

“…Background & Aims: Omeprazole produces greater acid inhibition in Helicobacter pylori–positive than –negative subjects. We investigated whether this is…”
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Evidence That Proton-Pump Inhibitor Therapy Induces the Symptoms it Is Used to Treat by McColl, Kenneth E.L, Gillen, Derek

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Symptoms and signs of upper gastrointestinal disease by Gillen, Derek, McColl, Kenneth

“…Abstract A century ago, Lord Moynihan suggested that the underlying cause of dyspepsia could be discerned by symptoms alone. Subsequent studies have suggested…”
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Gastroduodenal disease, Helicobacter pylori, and genetic polymorphisms by Gillen, Derek, McColl, Kenneth E L

“…Over the past 20 years, there has been marked progress in our understanding of the role of genetic and environmental factors in the etiology of gastroduodenal…”
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Does concern about missing malignancy justify endoscopy in uncomplicated dyspepsia in patients aged less than 55? by Gillen, Derek, McColl, Kenneth E L

“…There is increasing interest in using noninvasiveH. pyloritesting rather than endoscopy in determining the management of younger patients presenting with…”
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Helicobacter pylori gastritis and gastric physiology by McColl, K E, el-Omar, E, Gillen, D

“…It is now recognized that Helicobacter pylori infection exerts profound and diverse effects on gastric acid secretory function and that the alterations in acid…”
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Problems related to acid rebound and tachyphylaxis by Gillen, Derek, McColl, Kenneth E.L.

“…Rebound acid hypersecretion after taking histamine H2-receptor antagonists is a now well-established class phenomenon. It has been demonstrated both basally…”
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Barrett’s esophagus evokes a quantitatively and qualitatively altered response to both acid and hypertonic solutions by Fletcher, Jonathan, Gillen, Derek, Wirz, Angela, McColl, Kenneth E.L

“…The stomach contents become hypertonic after a meal and provide esophageal refluxate that is both acidic and hypertonic. This study examined the symptomatic…”
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Barrett's esophagus evokes a quantitatively and qualitatively altered response to both acid and hypertonic solutions by Fletcher, Jonathan, Gillen, Derek, Wirz, Angela, McColl, Kenneth E L

“…The stomach contents become hypertonic after a meal and provide esophageal refluxate that is both acidic and hypertonic. This study examined the symptomatic…”
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Prediction of Malignant Potential in Reflux Disease by McColl, Kenneth E L, Gillen, Derek

“…There is interest in noninvasive means of identifying reflux patients at increased risk of developing Barrett's esophagus and adenocarcinoma. In this issue,…”
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473 Autofluorescence Assessment in the Surveillance of Barrett's Oesophagus: A Randomised Trial Comparing Standard 4 Quadrant Biopsy and AF Directed Biopsy by McCallum, Audrey L, Macpherson, Mairi, Jenkins, John T, Chong, Peter S, Gillen, Derek, Duthie, Fraser, Oien, Karin, Fullarton, Grant M

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Esomeprazole 40mg BD produces profound 24h acid suppression with minimal acid breakthrough by Gillen, Derek, Witz, Angela A., McColl, Kenneth E.L.

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Esomeprazole 40mg twice per day causes more marked rebound acid hypersecretion than omeprazole 40mg per day by Gillen, Derek, Wirz, Angela A., McColl, Kenneth E.L.

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Is it safe to raise the age threshold for urgent endoscopy in patients with uncomplicated dyspepsia? by Gillen, Derek, McColl, Kenneth EL

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Reply by McColl, Kenneth E.L., Gillen, Derek

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Symptoms and signs of upper gastrointestinal disease by Gillen, Derek, McColl, Kenneth E.L

“…Abstract A century ago, Lord Moynihan suggested that the underlying cause of dyspepsia could be discerned by symptoms alone. Subsequent studies have suggested…”
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