The purpose of this study is to develop a clinical registry in patients with Gastric Electrical Stimulation (GES) therapy for gastroparesis to support future gastrointestinal therapies, medical procedures and diagnostics.

This study will evaluate male and female patients at least 18 years of age, with gastroparesis, who will or have already undergone the implantation of a GES device

The study will be conducted at one center and approximately 1,000 subjects will be enrolled.

Subjects undergoing the GES implantation will be enrolled before the implantation and may have a baseline visit. The visit procedures will be conducted at the discretion of the investigator dependent on the clinical condition of the patient at that time.

Inclusion Criteria:

• Patients undergo implantation of a new GES device for medical refractory gastroparesis

Exclusion Criteria:

• Non-ambulatory patients: bed-ridden, nursing home resident, etc.
• Pregnancy
• Unable to give own informed consent.
• Prisoners

This study will evaluate male and female patients at least 18 years of age, with gastroparesis, who will or have already undergone the implantation of a GES device (Enterra, Medtronic, Minneapolis, MN)