Trial Parameters
Brief Summary
In this research study, biopsy samples will be collected to provide more insight into the underlying cause of the motility disorders, help direct further investigation into the cause of the underlying condition, provide future prognosis and predict response to gastric electrical stimulation (GES).
Eligibility Criteria
Inclusion Criteria Study Group: Patients who are undergoing surgical full-thickness biopsy of the stomach and/or proximal jejunum for the clinical evaluation of GI neuromuscular disorder. Inclusion Criteria Control Group: Patients undergoing esophagectomy, sleeve gastrectomy for obesity, or Roux-en Y gastric bypass Patients undergoing Whipple surgery Patients undergoing transplant surgery Patients who are organ donors and undergoing surgery Exclusion Criteria Study Group: Contraindication for surgical full-thickness biopsy for any reason. Significant comorbidity due to severe cardiovascular, renal, pulmonary, or liver disease. Significant coagulopathy Non-ambulatory patients: bed-ridden, nursing home resident. Pregnant Unable to give own informed consent Prisoners Exclusion Criteria Control Group: Prior diagnosis of gastroparesis Prior diagnosis of chronic intestinal pseudo-obstruction Unable to give own informed consent if not an organ donor