Northwestern University
This is a prospective sham study to investigate the role of transpyloric stenting with lumen apposing metal stent (LAMS) as a predictor for clinical response to gastric per-oral endoscopic pyloromyotomy (GPOEM) for refractory gastroparesis. The study hypothesizes that clinical improvement with transpyloric stenting in patients with refractory gastroparesis is a predictor of subsequent clinical success of GPOEM.
Gastroparesis is defined as a complex syndrome of symptoms including early satiety, post-prandial fullness, nausea, vomiting, bloating, and upper abdominal pain with a corresponding objective delay in gastric emptying in the absence of mechanical obstruction. Recent epidemiologic data has shown a substantial increase of 158% in hospitalizations related to gastroparesis in recent years. The pathogenesis underlying gastroparesis is complex with multiple potential underlying mechanisms including impaired gastric accommodation, autonomic neuropathy, vagal nerve injury, uncoordinated gastric contra…
Inclusion Criteria: * Adult patients greater than 18 years of age with gastroparesis refractory to standard medical therapy (lifestyle and diet modifications, prokinetics) or contraindication to standard therapies (e.g. allergies to prokinetic agents) * Patients with diabetic, idiopathic or post-surgical gastroparesis * Patients with confirmed diagnosis of gastroparesis via gastric emptying study (abnormal gastric emptying will be defined as ≥10 % residual activity at 4 h on a standardized nuclear medicine TC-99 m sulfur colloid solid-phase gastric emptying study) Exclusion Criteria: * Pati…
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Sham
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