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This longitudinal observational study will attempt to objectively measure pain with an experimental, non-invasive device. Patients and volunteers will receive a baseline screening with psychophysical tests and questionnaires. Investigators will apply the device to measure pain during routine clinical care and correlate patients pain ratings and analgesia requirements to that measured by the device. A more standardized approach with experimental pain stimuli will be pursued in human volunteer studies.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| surgical patients | no interventions, observational study | ||
| laboring women | no interventions, observational study | ||
| volunteers | pain induction by noxious heat stimulation, measurement of pain by device and documentation of pain reported by subjects |
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| Measure | Description | Time Frame |
|---|---|---|
| correlation between pain as measured by the device and reported pain and clinical events, respectively | average 4 hours |
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Inclusion Criteria:
Exclusion Criteria:
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Men and women of all ethnicities will be included.
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| Name | Affiliation | Role |
|---|---|---|
| Alexander Z Tzabazis, MD | Stanford University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesia, Pain and Perioperative Medicine | Stanford | California | 94305 | United States |
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| ID | Term |
|---|---|
| D010146 | Pain |
| ID | Term |
|---|---|
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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