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The purpose of this study is to determine whether the Enlight 2100 electrical impedance tomography (EIT) belt can optimize positive end-expiratory pressure (PEEP) during surgery better than standard anesthesia machines.
Positive end-expiratory pressure (PEEP) is a measure taken intraoperatively to manage breathing during surgery. The Enlight 2100 is a device that uses electrical impedance tomography (EIT) to measure PEEP and provide a live image of the lungs while a patient is mechanically ventilated. In this study, the investigators will use the Enlight 2100 EIT belt to measure PEEP intraoperatively in order to better optimize PEEP settings for difficult cases.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PEEP Belt | Experimental | PEEP belt will be placed on the patient intraoperatively. All patients will be monitored using anesthesia machines as standard of care. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Peep Belt | Device | Belt will be placed on the nipple line of the patient prior to the surgery start in the operating room. Data will be collected prior to the initial incision after the patient has been intubated, and then at the end of surgery before the patient has been extubated. |
| Measure | Description | Time Frame |
|---|---|---|
| Optimal PEEP | Optimal positive end-expiratory pressure (PEEP) measured using the electrical impedance tomography (EIT) belt during surgery. | From the time of consent to the end of surgery, assessed up to 24 hours. |
| Measure | Description | Time Frame |
|---|---|---|
| Difference between EIT and standard of care measured PEEP | Measured difference between optimal positive end-expiratory pressure from the study device and the standard of care anesthesia machines. | From the time of consent to the end of surgery, assessed up to 24 hours. |
| Delays in extubation |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tinashe Maduke, MD, MPH | University of Missouri-Columbia | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital | Columbia | Missouri | 65212 | United States |
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| ID | Term |
|---|---|
| D009765 | Obesity |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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Patients will be monitored by the standard of care anesthesia machines intraoperatively. An EIT belt will be attached to the patient intraoperatively, and data from the belt will be compared to the anesthesia machines.
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|
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Number of delays in extubating the patient due to breathing complications during surgery. |
| From the day of surgery to discharge, up to 1 week |
| Incidence of extubation complications | Number of reintubations needed and/or failed extubations after surgery. | From the day of surgery to discharge, up to 1 week |
| D001835 |
| Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |