GastroIntestinal Bleeding
Conditions
Brief summary
The purpose and aim of this study are to compare changes in pulse volume to non-invasively predict active bleeding or high-risk stigmata in patients undergoing a gastrointestinal endoscopy to assess feasibility of the flow meter clinically.
Detailed description
The maximum change in volume of a limb segment during the cardiac cycle - pulse volume - will be monitored non-invasively along with standard vitals in patients with a suspected gastrointestinal bleed undergoing endoscopy. Pulse volume and vitals will be collected prior to and following endoscopy up to the point of dismissal from the endoscopy unit so that the data may be correlated with the endoscopic and clinical findings.
Interventions
DIAGNOSTIC_TESTPulse flowmeter
Measures peripheral pulse volumes by an electrode applied non-invasively to the lower extremity (left or right) at the beginning of the endoscopic evaluation for the duration of the procedure, and up to 2 hours after the completion of the procedure.
Sponsors
Mayo Clinic
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Inclusion criteria
\- Adults (age \>18yr) undergoing emergent endoscopy for active GI bleeding.
Exclusion criteria
* Patients with pre-existing heart failure (ejection fraction \<40%), cardiac rhythm abnormalities and peripheral vascular disease. * Patients with underlying implanted cardiac electrical devices and spinal cord stimulators.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Changes in peripheral pulse volume with and without active bleeding | Baseline, approximately 2 hours post endoscopy | Peripheral pulse volume as measured by pulse flowmeter (uL/cm) pre and post endoscopic evaluation |
Countries
United States
Outcome results
None listed