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Traditional conscious sedation for endoscopic retrograde cholangiopancreatography in prone position places patients at risk of desaturation, and high-flow nasal oxygen may reduce the risk. The aim of this study is to evaluate the role of high-flow nasal oxygen during endoscopic retrograde cholangiopancreatography. The investigators will compare the lowest SpO2 of standard nasal oxygen cannula group and that of high-flow humidified oxygen-delivery system group during the procedure.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| standard oxygenation(nasal cannula) | No Intervention | stand oxygenation arm will receive oxygen at 5 L/min via nasal cannula | |
| high-flow humidified oxygen-delivery system(OptiFlow THRIVE) | Experimental | Optiflow THRIVE arm will receive oxygen at 50 L/min via Optiflow THRIVE |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| high-flow humidified oxygen-delivery system (OptiFlow THRIVE) | Biological | stand oxygenation arm will receive oxygen at 5 L/min via nasal cannula, while Optiflow THRIVE arm will receive oxygen at 50 L/min via Optiflow THRIVE during the procedure. |
| Measure | Description | Time Frame |
|---|---|---|
| lowest SpO2 measured with pulse oximetry during the procedure | The investigators will record the lowest SpO2 during the procedure. | during the procedure (from the start to the end of the endoscopic retrograde cholangiopancreatography) |
| Measure | Description | Time Frame |
|---|---|---|
| incidence of desaturation below 90% during the procedure | The investigators will compare the incidence of desaturation during the procedure between the two groups. | during the procedure (from the start to the end of the endoscopic retrograde cholangiopancreatography) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anaesthesiology and Pain Medicine, Anaesthesia and Pain Research Institute, Yonsei University College of Medicine | Seoul | 03722 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33403549 | Derived | Kim SH, Bang S, Lee KY, Park SW, Park JY, Lee HS, Oh H, Oh YJ. Comparison of high flow nasal oxygen and conventional nasal cannula during gastrointestinal endoscopic sedation in the prone position: a randomized trial. Can J Anaesth. 2021 Apr;68(4):460-466. doi: 10.1007/s12630-020-01883-2. Epub 2021 Jan 6. |
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Arm 1: standard nasal cannula group Arm 2: high-flow humidified oxygen-delivery system (OptiFlow THRIVE) group
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Patients will be randomly allocated to 2 groups using computer-generated randomization method. Neither participants nor physicians will be blinded to the groups because of organizational reasons
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