David Armstrong

University of Southern California — United States

Medicine · Health Sciences

59h-index19.8kcitations503works1.82yr avg
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Research Topics

Gastroesophageal reflux and treatments(166), Helicobacter pylori-related gastroenterology studies(159), Eosinophilic Esophagitis(117), Gastrointestinal motility and disorders(51), Gastric Cancer Management and Outcomes(45)

Publications498 total

Ray-Ban Meta: A Ray of Hope in the Operating Room (and Beyond)
Surgical Innovation·2025
Exploring a novel voice-guided artificial intelligence platform for real-time colonoscopy documentation: a pilot study
Journal of the Canadian Association of Gastroenterology·2025Open Access
Eye care risk and safety issues identified by Optometrists in Scotland: a focus group study
2025Open Access
Comparative clinical outcomes of home parenteral nutrition in adults with gastrointestinal or gynecologic cancers versus non-cancer patients: a prospective cohort study using propensity score matching from the Canadian HPN registry
European Journal of Clinical Nutrition·2025· 1 cited
Micronutrient Deficiencies Associated with a Gluten-Free Diet in Patients with Celiac Disease and Non-Celiac Gluten or Wheat Sensitivity: A Systematic Review and Meta-Analysis
Journal of Clinical Medicine·2025· 5 citedOpen Access
The prevalence and association between avoidant/restrictive food intake disorder-(ARFID) and disorders of gut–brain interaction (DGBI): a scoping review
Eating Disorders·2025· 2 cited
Differential Effect of GLP-1 Receptor Agonists and SGLT2 Inhibitors on Lower Extremity Amputation Outcomes in Type 2 Diabetes: A Nationwide Retrospective Cohort Study
2025Open Access
Differential Effect of GLP-1 Receptor Agonists and SGLT2 Inhibitors on Lower Extremity Amputation Outcomes in Type 2 Diabetes: A Nationwide Retrospective Cohort Study
2025Open Access
Long‐term home parenteral nutrition in chronic intestinal failure following metabolic and bariatric surgery and its clinical outcomes: A descriptive cohort study
Journal of Parenteral and Enteral Nutrition·2025· 2 citedOpen Access
A NOVEL VOICE-GUIDED ARTIFICIAL INTELLIGENCE PLATFORM FOR REAL-TIME COLONOSCOPY DOCUMENTATION (AIDREA): A PROSPECTIVE PILOT STUDY
Gastrointestinal Endoscopy·2025
CONSENSUS ON DEFINITIONS AND CLASSIFICATIONS OF POST ENDOSCOPY UPPER GASTROINTESTINAL CANCERS (PEUGIC): WORLD ENDOSCOPY ORGANIZATION DELPHI STUDY
Gastrointestinal Endoscopy·2025
Clinical outcomes in Crohn's disease patients with short bowel syndrome on home parenteral nutrition are comparable to those with short bowel syndrome from other etiologies
Clinical Nutrition·2025· 1 cited
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Alimentary Pharmacology & Therapeutics·2025Open Access
The effect of enteral nutrition strategy and non-invasive ventilation on diarrhea and nutritional goals in the critically ill: A protocol for a multicentre retrospective cohort study (ENND GOALS)
PLoS ONE·2025· 1 citedOpen Access
Clinical Trial: Dose‐Finding Study of Linaprazan Glurate, A Novel Potassium‐Competitive Acid Blocker, Versus Lansoprazole for the Treatment of Erosive Oesophagitis
Alimentary Pharmacology & Therapeutics·2025· 2 citedOpen Access
Getting fit for hip and knee replacement: The Fit-Joints multimodal intervention for frail patients with osteoarthritis – a pilot randomized controlled trial
The Journal of Frailty & Aging·2025· 5 citedOpen Access
A10 RESTORATION OF ARYL HYDROCARBON RECEPTOR SIGNALING IN CELIAC DISEASE BY ORAL TRYPTOPHAN SUPPLEMENTATION: AN EXPLORATORY STUDY
Journal of the Canadian Association of Gastroenterology·2025Open Access
A52 OVERNUTRITION IN TREATED CELIAC DISEASE (CED) PATIENTS: THE NEED FOR PERSONALIZED NUTRITIONAL ASSESSMENT TO MANAGE THE METABOLIC SEQUELAE OF A GLUTEN-FREE DIET (GFD)
Journal of the Canadian Association of Gastroenterology·2025Open Access
A6 INVESTIGATING THE RELATIONSHIP BETWEEN MUCOSAL INFLAMMATION AND PROTEOLYTIC ACTIVITY IN CROHN’S DISEASE
Journal of the Canadian Association of Gastroenterology·2025Open Access
A57 SUBOPTIMAL FIBRE CONSUMPTION AND ALTERED FIBRE METABOLISM IN CELIAC DISEASE THROUGHOUT THE GASTROINTESTINAL TRACT
Journal of the Canadian Association of Gastroenterology·2025Open Access
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Frequent Co-authors

Alan Barkun(9), Naoki Chiba(9), Paul Moayyedi(6), A. B. R. Thomson(6), Lars Lundell(5), Elena F. Verdú(5), John K. Marshall(4), Frances Tse(4), Peter Katelaris(4), Nigel Flook(4), Michio Hongo(3), Jacques Bergman(3), Michael Vieth(3), Mark A. Tarnopolsky(3), Robert Enns(3), Grigorios I. Leontiadis(3), Nicholas J. Talley(3), Joseph A. Murray(3), Richard H. Hunt(3), Sergio Escobedo(3)