Body surface mapping of the stomach: New directions for clinically evaluating gastric electrical activity

DA Carson, G O'Grady, P Du… - …, 2021 - Wiley Online Library
Background Gastric motility disorders, which include both functional and organic etiologies,
are highly prevalent. However, there remains a critical lack of objective biomarkers to guide …

Methods for high-resolution electrical mapping in the gastrointestinal tract

G O'Grady, TR Angeli… - IEEE reviews in …, 2018 - ieeexplore.ieee.org
Over the last two decades, high-resolution (HR) mapping has emerged as a powerful
technique to study normal and abnormal bioelectrical events in the gastrointestinal (GI) tract …

An ingestible device for gastric electrophysiology

SS You, A Gierlach, P Schmidt, G Selsing, I Moon… - Nature …, 2024 - nature.com
The ability to record high-quality electrophysiology data from the gastrointestinal tract and
enteric nervous system is of use in understanding a variety of disorders and improving …

[HTML][HTML] Anaesthesia by intravenous propofol reduces the incidence of intra-operative gastric electrical slow-wave dysrhythmias compared to isoflurane

Z Aghababaie, THH Wang, LA Nisbet, A Matthee… - Scientific Reports, 2023 - nature.com
Gastric motility is coordinated by bioelectrical slow-wave activity, and abnormal electrical
dysrhythmias have been associated with nausea and vomiting. Studies have often been …

Patterns of abnormal gastric pacemaking after sleeve gastrectomy defined by laparoscopic high-resolution electrical mapping

R Berry, LK Cheng, P Du, N Paskaranandavadivel… - Obesity surgery, 2017 - Springer
Background Laparoscopic sleeve gastrectomy (LSG) is increasingly being applied to treat
obesity. LSG includes excision of the normal gastric pacemaker, which could induce …

The impact and clinical implications of gastric surgery on the gastric conduction system

DA Carson, S Robertson, THH Wang, C Varghese… - …, 2023 - journals.sagepub.com
Chronic symptoms of gastric dysfunction are common following gastric surgery, but the
mechanisms underlying these have remained poorly understood. Disturbances of foregut …

Targeted ablation of gastric pacemaker sites to modulate patterns of bioelectrical slow wave activation and propagation in an anesthetized pig model

Z Aghababaie, LK Cheng… - American Journal …, 2022 - journals.physiology.org
Gastric motility is coordinated by underlying bioelectrical slow waves. Gastric dysrhythmias
occur in gastrointestinal (GI) motility disorders, but there are no validated methods for …

Gastroparesis syndromes: Response to electrical stimulation

TL Abell, A Kedar, A Stocker, K Beatty… - …, 2019 - Wiley Online Library
Abstract Background and Aims Factors underlying gastroparesis are not well defined, nor is
the mechanism of action of gastric electrical stimulation (GES). We hypothesized that GES …

Slow-wave coupling across a gastroduodenal anastomosis as a mechanism for postsurgical gastric dysfunction: evidence for a “gastrointestinal aberrant pathway”

THH Wang, TR Angeli, G Beban, P Du… - American Journal …, 2019 - journals.physiology.org
Postsurgical gastric dysfunction is common, but the mechanisms are varied and poorly
understood. The pylorus normally acts as an electrical barrier isolating gastric and intestinal …

Intra‐operative high‐resolution mapping of slow wave propagation in the human jejunum: Feasibility and initial results

TR Angeli, G O'Grady, R Vather… - …, 2018 - Wiley Online Library
Background Bioelectrical slow waves are a coordinating mechanism of small intestine
motility, but extracellular human studies have been restricted to a limited number of sparse …