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Role of Gastric Emptying in Symptoms of Gastroparesis
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Role of Gastric Electrical Stimulation in the Treatment of Gastroparesis

Division of Gastroenterology, Hepatology and Nutrition, University of Louisville, 550 S. Jackson, ACB A3L15, Louisville, KY 40202, USA
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Gastrointest. Disord. 2020, 2(1), 12-26; https://doi.org/10.3390/gidisord2010003
Received: 31 October 2019 / Revised: 10 January 2020 / Accepted: 26 January 2020 / Published: 31 January 2020
(This article belongs to the Special Issue Gastroparesis)
Introduction: Gastric electrical stimulation (GES) is a surgically implanted treatment option for drug refractory gastroparesis syndromes. Evidence supporting use of GES and the pathophysiology of gastroparesis syndromes is not widely known. We conducted a descriptive review to elucidate the pathophysiology of gastroparesis syndromes, with particular focus on gastrointestinal neuromodulation and the known mechanisms of action of GES. Methods: A descriptive review of PubMed, Web of Science and Cochrane Library was conducted using the keywords gastric electrical stimulation, gastroparesis, nausea, vomiting, neuromodulation, gastroparesis syndromes, central nervous system, gastric pacing and electrical stimulation. Results: 1040 potentially relevant articles were identified, of which 34 were included. These studies explored various central and peripheral effects of GES, as well as its effect on quality of life, hospital stay, mortality and health-related costs. Conclusion: Although evidence supporting gastrointestinal (GI) electrical stimulation and GI neuromodulation use is not widely known, GES does seem to offer significant improvement in symptom control, quality of life and other effects to many patients. GES exerts its effects through multiple central and peripheral mechanisms and has potential to modify the natural history of disease. Future work on gastroparetic syndromes and their treatment might be better focused in terms of pathophysiologic mechanisms. Improving outcomes with specific neuromodulation therapies, like GES, may offer improvements in health for many patients with refractory upper gastrointestinal symptoms. View Full-Text
Keywords: gastric electrical stimulation; gastroparesis; nausea; vomiting; neuromodulation; gastroparesis syndromes; central nervous system; gastric pacing and electrical stimulation gastric electrical stimulation; gastroparesis; nausea; vomiting; neuromodulation; gastroparesis syndromes; central nervous system; gastric pacing and electrical stimulation
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Shine, A.; Abell, T.L. Role of Gastric Electrical Stimulation in the Treatment of Gastroparesis. Gastrointest. Disord. 2020, 2, 12-26.

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