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The objective of this study is to observe the preventive effects of high flow nasal oxygenation on the incidence of hypoxia during gastroscopy or colonoscopy sedated with propofol in high-risk patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| High-flow nasal cannula oxygenation group | Experimental |
| |
| Regular nasal cannula oxygenation group | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High-flow nasal cannula oxygenation | Device | The patients receive oxygen flow of 6L/min for preoxygenation with an high-flow canular oxygenation device before losing of conscious. Then, the oxygen flow is adjusted to 60L/min with the oxygen concentration of 100% and the temperature of 37℃ until the end of procedure. |
| Measure | Description | Time Frame |
|---|---|---|
| The incidence of hypoxia | Hypoxia refers to 75%≤SpO2<90%,<60S | Patients will be followed for the duration of hospital stay, an expected average of 2 hours |
| Measure | Description | Time Frame |
|---|---|---|
| The incidence of severe hypoxia | Severe hypoxia refers to SpO2<75% lasting for any time, or 75%≤SpO2<90%, ≥60s | Patients will be followed for the duration of hospital stay, an expected average of 2 hours |
| The incidence of subclinical respiratory depression |
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Inclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Wanfeng Liu | Contact | +8613817793010 | liuwanfeng@renji.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The Second Hospital Affiliated to Chongqing Medical University | Chongqing | Chongqing Municipality | 404100 | China |
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| ID | Term |
|---|---|
| D013274 | Stomach Neoplasms |
| D007414 | Intestinal Neoplasms |
| D005756 | Gastritis |
| D000860 | Hypoxia |
| ID | Term |
|---|---|
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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|
| Regular nasal cannula oxygenation | Device | The patients receive an oxygen flow of 6L/min for preoxygenation with a disposal regular nasal cannula until the end of procedure. |
|
Subclinical respiratory depression refers to 90%≤ SpO2<95% |
| Patients will be followed for the duration of hospital stay, an expected average of 2 hours |
| Other adverse events evaluated by the tool of World SIVA | Patients will be followed for the duration of hospital stay, an expected average of 2 hours |
| Complications related to high-flow nasal cannula | Patients will be followed for the duration of hospital stay, an expected average of 2 hours |
| Henan Provincial people's hospital | Zhengzhou | Henan | 450000 | China |
|
| D004066 |
| Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D013272 | Stomach Diseases |
| D007410 | Intestinal Diseases |
| D005759 | Gastroenteritis |
| D012818 | Signs and Symptoms, Respiratory |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |