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This study aims to develop an algorithm to mitigate the noise generated by the high-flow nasal oxygen system for tracheal sound monitoring in deeply sedated patients.
During deep sedation without intubation, anesthesia respiratory care and monitoring are of utmost importance. Anesthesia can lead to adverse respiratory effects, increasing the risk of airway obstruction and respiratory depression. High-flow nasal oxygen (HFNO) systems are often used to mitigate these risks. Monitoring tracheal breathing sounds directly using amplification provides better detection accuracy. However, traditional auscultation instruments have limitations, including noise interference and lack of visual functionality. The Airmod Smart Respiratory Monitoring System, with FDA approval in the United States and Taiwan, addresses these issues. It offers respiratory sound recording, noise filtering, event logging, and respiratory rate analysis. Currently, no digital stethoscope on the market can filter out HFNO noise. Therefore, the current study is to develop an algorithm to mitigate the noise generated by the high-flow nasal oxygen system for tracheal sound monitoring in deeply sedated patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| HFNO first | Experimental | This study follows a crossover design employing a randomized controlled methodology. Patients undergoing gastrointestinal endoscopy and receiving deep sedation were monitored using electronic tracheal sound auscultation. Within this group, patients first underwent a 10-minute session of high-flow nasal oxygen (50 L/min) followed by the utilization of the standard low-flow nasal oxygen (4 L/min). Electronic tracheal sound recordings were obtained during both the high-flow and low-flow nasal oxygen administrations. The aim is to develop an algorithm capable of mitigating the noise generated specifically by the high-flow nasal oxygen. |
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| HFNO later | Active Comparator | This study follows a crossover design employing a randomized controlled methodology. Patients undergoing gastrointestinal endoscopy and receiving deep sedation were monitored using electronic tracheal sound auscultation. Within this group, patients first underwent a 10-minute session of standard low-flow nasal oxygen (4 L/min) followed by the utilization of the high-flow nasal oxygen (50 L/min). Electronic tracheal sound recordings were obtained during both the high-flow and low-flow nasal oxygen administrations. The aim is to develop an algorithm capable of mitigating the noise generated specifically by the high-flow nasal oxygen |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High flow nasal oxygen fist | Device | Patients in the two study group first underwent a 10-minute session of high-flow nasal oxygen (50 L/min) followed by the utilization of the standard low-flow nasal oxygen (4 L/min) or underwent a 10-minute session of standard low-flow nasal oxygen (4 L/min) followed by the utilization of the high-flow nasal oxygen (50 L/min). |
| Measure | Description | Time Frame |
|---|---|---|
| Tracheal sound with and without high-flow nasal oxygen will be measured to develop an algorithm to mitigate the high flow nasal oxygen-generated tracheal noise | We aim to develop an algorithm capable of mitigating the noise generated specifically by the high-flow nasal oxygen based on recording the tracheal sound of patients undergoing gastrointestinal endoscopy in deep sedation with and without high flow nasal oxygen | 20-30 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Chun-Yu Wu, MD | Contact | 800-555-5555 | b001089018@tmu.edu.tw | |
| Tsung-Da Wu | Contact | 800-555-5555 | tsungta.wu@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Tawain University Hospital Hsinchu branch | Recruiting | Hsinchu | 300 | Taiwan |
The IPD will be shared by contacting the principle investigator for rational research purpose.
20-30 min
By contacting the principle investigator on the basis of rational research purpose.
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| High flow nasal oxygen later | Device | Patient in this group underwent a 10-minute session of standard low-flow nasal oxygen (4 L/min) followed by the utilization of the high-flow nasal oxygen (50 L/min) |
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| National Tawain University Hospital Hsinchu branch | Recruiting | Hsinchu | 300 | Taiwan |
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