Stomach Electrical Activity Following Oesophageal Cancer Surgery

Gastric Alimetry is a non-invasive transcutaneous device which has been validated in assessing gastric motility in patients, using cutaneous sensors to monitor gastric electrophysiology and comparing to patient reported symptoms using patient feedback tools. The technology uses a high-resolution array of 64 electrodes applied to the anterior abdominal wall and epigastrium with the intention of measuring gastric electrical activity. It is comparable to an ECG test of the heart, however longer in duration to account for the lower frequency of the gastric electrical activity. Its non-invasive component provides an acceptable alternative to other measurement tools for gastric electrical activity, however the clinical utility in patients post-oesophagectomy is not yet explored. Patients will only be assessed with Gastric Alimetry as part of their enrollment in the study. Information that will be assessed from participants includes information from electronic medical records, study-specific questionnaires, as well as gastric motility activity. The patient questionnaire is anticipated to take 20 minutes to complete, and the gastric motility assessment is anticipated to take approximately 4 hours. The administration of the gastric motility assessment will be undertaken by a trained medical doctor. Adherence to the gastric motility assessment is binary and measured by whether the participant is able to complete the entire duration of the assessment as well as all study questionnaires.