D
David Armstrong
Researcher at McMaster University
Publications - 589
Citations - 27709
David Armstrong is an academic researcher from McMaster University. The author has contributed to research in topics: Medicine & GERD. The author has an hindex of 76, co-authored 550 publications receiving 25257 citations. Previous affiliations of David Armstrong include University of Vienna & King's College London.
Papers
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Journal ArticleDOI
Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification.
L. R. Lundell,J. R. Bennett,André L. Blum,David Armstrong,J. P. Galmiche,F. Johnson,Michio Hongo,Joel E. Richter,Stuart J. Spechler,G. N J Tytgat,L. Wallin +10 more
TL;DR: Results add further support to previous studies for the clinical utility of the Los Angeles system for endoscopic grading of oesophagitis and to the risk for symptom relapse off therapy over six months.
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Fecal Microbiota Transplantation Induces Remission in Patients With Active Ulcerative Colitis in a Randomized Controlled Trial
Paul Moayyedi,Michael G. Surette,Peter T. Kim,Peter T. Kim,Josie Libertucci,Melanie Wolfe,Catherine Onischi,David Armstrong,John Marshall,Zain Kassam,Walter Reinisch,Christine H. Lee +11 more
TL;DR: Fecal microbiota transplantation induces remission in a significantly greater percentage of patients with active UC than placebo, with no difference in adverse events.
Journal ArticleDOI
The endoscopic assessment of esophagitis: A progress report on observer agreement
David Armstrong,J. R. Bennett,A. L. Blum,F T de Dombal,J.-P. Galmiche,L. Lundell,M. Margulies,J. E. Richter,S. J. Spechler,Guido N. J. Tytgat,L. Wallin +10 more
TL;DR: Endoscopists can identify mucosal breaks confined to a mucosal fold and lesions that extend throughout the esophageal circumference and Complications of reflux disease can be reproducibly recorded.
Journal ArticleDOI
The rise of surveillance medicine
TL;DR: It is argued that this new Surveillance Medicine involves a fundamental remapping of the spaces of illness that includes the problematisation of normality, the redrawing of the relationship between symptom, sign and illness, and the localisation of illness outside the corporal space of the body.
Journal ArticleDOI
The development and validation of an endoscopic grading system for Barrett's esophagus: the Prague C & M criteria.
Prateek Sharma,John Dent,David Armstrong,Jacques J. Bergman,Liebwin Gossner,Yoshio Hoshihara,Janusz Jankowski,Ola Junghard,Lars Lundell,Guido N. J. Tytgat,Michael Vieth +10 more
TL;DR: The Prague C & M Criteria have high overall validity for the endoscopic assessment of visualized Barrett's esophagus lengths.