Matthew Woo

ORCID: 0000-0003-4487-3420
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About
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Research Areas
  • Esophageal and GI Pathology
  • Gastroesophageal reflux and treatments
  • Eosinophilic Esophagitis
  • Gastrointestinal motility and disorders
  • Dysphagia Assessment and Management
  • Esophageal Cancer Research and Treatment
  • Systemic Sclerosis and Related Diseases
  • Diet and metabolism studies
  • Gastric Cancer Management and Outcomes
  • Eating Disorders and Behaviors
  • Sleep and related disorders
  • Cannabis and Cannabinoid Research
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Sex work and related issues
  • Sexual Assault and Victimization Studies
  • Pelvic floor disorders treatments
  • Helicobacter pylori-related gastroenterology studies
  • Gender Roles and Identity Studies
  • Psychosomatic Disorders and Their Treatments
  • Gastrointestinal disorders and treatments
  • Mast cells and histamine
  • Congenital gastrointestinal and neural anomalies
  • Anorectal Disease Treatments and Outcomes
  • Pancreatic and Hepatic Oncology Research
  • Sexuality, Behavior, and Technology

University of Calgary
2019-2025

Hosan University
2024

Alberta Health Services
2024

Dalhousie University
2023

Cork University Hospital
2023

University College Cork
2023

SGS Germany GmbH (Germany)
2023

Digestive Care (United States)
2023

Queen's University
2018-2020

Kingston General Hospital
2018

Abstract Background Gastroparesis, defined by delayed gastric emptying in the absence of mechanical outlet obstruction, is a frequent neuropathic complication diabetes mellitus, and effective treatments are lacking. Prucalopride pan‐gut prokinetic with selective agonist effects on serotonin 5‐HT4 receptors gut. This study aimed to assess effect prucalopride 4 mg daily Gastroparesis Cardinal Symptom Index (GCSI), meal‐related symptom score (MRSS), rate diabetic or connective tissue disease...

10.1111/nmo.13958 article EN Neurogastroenterology & Motility 2020-08-02

Abstract Objectives We present an update on the (peroral endoscopic myotomy (POEM) difficulty score [PDS] by introducing a novel knife with waterjet functionality. Methods This is retrospective review of patients who underwent POEM between May 2018 and July 2023 at Kingston Health Sciences Center. Demographic procedural variables were compared using descriptive inferential statistics. Results One hundred thirty‐nine consecutive POEMs included in study. Seventy‐four (56.7% male; aged 56.7 ±...

10.1002/deo2.70055 article EN cc-by DEN Open 2025-01-23

Abstract Background Peroral endoscopic myotomy (POEM) has gained prominence as a minimally invasive therapeutic option for achalasia. Despite its growing adoption worldwide, the establishment of POEM programs in Canada is relatively recent, and local data on clinical outcomes remain limited. Aims This study aims to assess short-term patients undergoing achalasia including symptom improvement, complication rates, detailing hospital resources necessary sustain program. Methods A retrospective...

10.1093/jcag/gwae059.040 article EN cc-by Journal of the Canadian Association of Gastroenterology 2025-02-01

Summary Background Cannabinoid hyperemesis syndrome (CHS) is a poorly understood vomiting disorder associated with chronic cannabis use. Aims To characterise patients experiencing CHS in North America and to obtain population‐based estimate of treatment prevalence Canada before during the Covid‐19 pandemic Methods Internet survey 157 sufferers United States. Administrative health databases for province Alberta (population 5 million) were accessed measure emergency department (ED) visits...

10.1111/apt.17265 article EN Alimentary Pharmacology & Therapeutics 2022-10-28

Abstract Background and Aim Rectal hyposensitivity (RH) is common in constipation often coexists with functional defecatory disorder (FDD). sensory thresholds are routinely evaluated the anorectal manometry probe; however, gold standard for assessment of rectal sensitivity a barostat, use which limited by time constraints availability. A novel rapid barostat bag (RBB) may facilitate measurements sensitivity. The aim to evaluate relationship between RH (measured RBB) FDD (defined as any minor...

10.1111/jgh.16517 article EN cc-by-nc-nd Journal of Gastroenterology and Hepatology 2024-02-28

Abstract Background Esophagogastric junction outflow obstruction (EGJOO) is a manometric diagnosis based on the Chicago Classification defined by inadequate relaxation of gastroesophageal (GEJ) with swallowing, but sufficient peristalsis such that criteria for achalasia are not met. Possible causes include anatomical and functional etiologies. Further investigations, including computed tomography (CT) chest endoscopic ultrasound (EUS), to help elucidate etiology EGJOO have been suggested,...

10.1111/nmo.13712 article EN Neurogastroenterology & Motility 2019-09-15

Background Peroral endoscopic myotomy ( POEM ) for achalasia is technically challenging to carry out in patients with type III , multiple prior treatments, myotomy, and sigmoid type. Herein, we present a series of consecutive complex introduce the difficulty score PDS ). Aim To demonstrate application discuss utility feasibility, safety, efficacy patients. Methods Forty were carried 28 meeting criteria achalasia. Primary outcome was clinical success (Eckardt ≤3) at minimum 3 months...

10.1111/den.13294 article EN Digestive Endoscopy 2018-11-12

ABSTRACT Objective The small intestine (SI) microbiome is increasingly implicated in both functional gastrointestinal (GI) disorders and a wide range of systemic diseases. However, owing to limitations traditional GI sampling approaches, the SI remains challenging directly access on large scale. This work presents Small Intestinal MicroBiome Aspiration Capsule (SIMBA) as an effective means for luminal content. Design In observational clinical study, SIMBA capsules were ingested by healthy...

10.1101/2024.04.04.24305299 preprint EN medRxiv (Cold Spring Harbor Laboratory) 2024-04-07

Background informationAnxiety disorders are known to be one of the most prevalent psychiatric conditions, yet they often remain under-diagnosed and under-treated.Their chronic, disabling symptoms cause considerable burden not only sufferers but also their families, contribute poorer quality life economic on society.In many instances, there is a delay in seeking treatment some cases such may stretch up nearly ten years.This result from ignorance condition, fear taking medications, stigma...

10.11622/smedj.2015088 article EN Singapore Medical Journal 2015-06-01

The May 2016 wildfire in Fort McMurray northern Alberta, Canada—the costliest disaster Canadian history—led to an areawide evacuation by road and air. Traffic count flight data were used assess the characteristics of evacuation, including estimates people movements vehicle aircraft. counts compared first with historic values examine traffic patterns then create response curve, which revealed expected S-shaped curve highlighted how quickly occurred. Finally, for evacuated aircraft combined...

10.3141/2604-08 article EN Transportation Research Record Journal of the Transportation Research Board 2017-01-01

Medications can affect gastrointestinal tract motility. However, their effects on oesophageal motility in particular are often not as widely known or may be underestimated.To review the effect of existing medication use high-resolution manometry (HRM) a 'real-world' setting.Adult patients with upper gut symptoms and normal endoscopy imaging who had HRM over 22-month period were analysed. Achalasia major disorders peristalsis excluded. All medications taken within 24 hours procedure...

10.1111/apt.15758 article EN Alimentary Pharmacology & Therapeutics 2020-05-07

Previous research measuring various biosocial factors such as age, sex, and marital status has found them to be essentially unrelated measures of psychological health. Recent empirical studies have revealed that personality constructs may more significant than demographic variables in the prediction well‐being. The present study assessed masculinity femininity hypothesized Gender‐Masculine (GM) scale MMPI‐2 would effective Gender‐Feminine (GF) predicting This hypothesis stems from previous...

10.1080/00207590500412185 article EN International Journal of Psychology 2006-09-12

Abstract. The present study examined the validity of two Minnesota Multiphasic Personality Inventory (MMPI-2) scales - Gender Masculine (GM) and Feminine (GF) in discriminating between gender types (High GM/Low GF); (Low GM/High Androgynous GF) Undifferentiated GF), cross-national clinical samples. consisted 70 Singaporean 107 Australian psychiatric patients. Significant pairwise comparisons were found for Undifferentiated-Stereotyped Masculinity, Undifferentiated-Androgynous, Stereotyped...

10.1027/1614-0001.29.1.1 article EN Journal of Individual Differences 2008-01-01

There are little data evaluating the performance of 3-dimensional high-definition anorectal manometry (3D-HDAM) system in diagnosis dyssynergic defecation. Physical properties thicker, rigid, 3D-HDAM probe may have implications on measurements pressures.Our aim was to compare balloon expulsion test and magnetic resonance (MR) defecography.Consecutive constipated patients referred for function testing at Calgary Gut Motility Centre (Calgary, Canada) between 2014 2019 were assessed. All...

10.1111/nmo.14180 article EN Neurogastroenterology & Motility 2021-06-14

A single client with depression and chronic nightmares was treated 4 sessions of eye movement desensitization reprocessing (EMDR) showed a decrease in improvement general well-being. The client’s 2 nightmare images were resolved following Luber’s (2010) protocol for processing. Treatment effects measured the Outcome Rating Scale shift from clinical range at pretreatment to nonclinical third session. ready gains this patient have served highlight various aspects EMDR procedures which worked...

10.1891/1933-3196.8.3.129 article EN Journal of EMDR Practice and Research 2014-01-01
Marietta Iacucci Stefanos Bonovas Alina Bazarova Rosanna Cannatelli R Ingram and 95 more Nunzia Labarile Olga Maria Nardone Tommaso Lorenzo Parigi Daniele Piovani Keith Siau Samuel C. Smith Irene Zammarchi José G. Ferraz Gionata Fiorino R Kiesslich Remo Panaccione Adolfo Parra‐Blanco Mariabeatrice Principi Gian Eugenio Tontini Toshio Uraoka Subrata Ghosh Abdullah Abbasi Adele Wargen Ahmed Feroz Alessandra Dell’Era Alessandra Piagnani Alessandro Rimondi Alessia Chini Alessia Dalila Guarino Alessia Todeschini Amar Srinivasa Andrea Sorge Angelica Toppeta Anna M Carvalhas Gabrielli Anna Testa Anthony R. MacLean Antonella Contaldo A. M. D. Churchhouse Anderson Matheus Pereira da Silva Beatrice Marinoni Chiara Lillo Christopher N. Andrews Ciro Lentano Costantino Sgamato Daniele Gridavilla Daniele Noviello Danny Cheung Dhanai Di Paolo D. Novielli Dominic King Edoardo Borsotti Eleanor Liu Elena Arsiè Elisa Farina Elisabetta Filippi E. Annoscia Fabiana Castiglione Fenella Marley Francesca Ferretti Francesco Conforti Francis Egbuonu Fulvio Salvatore D’Abramo Giulia Scardino Giuseppe Indellicati Giuseppe Losurdo Antonietta Gerarda Gravina Ian Beales Ibrahim Al Bakir Ilaria Ditonno Imma Di Luna Imran Tahir Irene Bergns Irene Brescia Isabel Carbery Ismaeel Al-Talib Jawad Azhar Jeffrey Butterworth Joel James Joëlle St‐Pierre John R. Jacob Jordan Iannuzzi Kathleen Todd Kelly Chatten Leah Gilroy Lekshmy S. Pillai Luca Pastorelli Lucienne Pellegrini Lushen Pillay Marco Romano Maria Camilla Monico Mariapaola Piazzolla Marius Paraoan Marta Patturelli Martino Mezzapesa Matthew Woo Maxime Delisle Melissa Chan Michael A. Gómez Zoe Michael Milli Gupta

Inflammatory bowel disease (IBD) increases risk of dysplasia and colorectal cancer. Advanced endoscopic techniques allow for the detection characterization IBD dysplastic lesions, but specialized training is not widely available. We aimed to develop validate an online platform improve colonic lesions in IBD: OPtical diagnosis Training Improve Characterization Bowel Disease (OPTIC-IBD).

10.1016/j.gie.2023.11.018 article EN cc-by-nc-nd Gastrointestinal Endoscopy 2023-11-21

Peroral endoscopic myotomy (POEM) has emerged as a less invasive technique for performing in patients with achalasia. This study aims to assess the safety and efficacy of POEM Canadian tertiary care center.All consecutive who underwent between March 2016 May 2018 at center were included. The primary outcome was clinical success rate defined post-POEM Eckardt score ≤3 ≥3 months. Adverse events recorded according Clavien-Dindo grading system.A total 50 51 procedures mean procedure length 85.6...

10.1093/jcag/gwaa018 article EN cc-by-nc Journal of the Canadian Association of Gastroenterology 2020-05-16
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