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The GlideScope® videolaryngoscope usually visualize glottis better than the conventional laryngoscope. Under the visualization of glottis by GlideScope®, the insertion of endotracheal tube, however, is challenging.
The goal of this study was to determine which of two stylet (70° vs 90°) was better, as determined by time to intubation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 90 degree | Active Comparator | The ETT with the 90° angle stylet was bent at a point 8 cm from its distal end. |
|
| 70 degree | Experimental | The ETT was bent by 70° at a point 6 cm from its distal end and the proximal portion of the ETT was formed as the shape of the GL blade until the point of the handle. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Glidescope guided intubation | Procedure |
| ||
| GlideScope® |
| Measure | Description | Time Frame |
|---|---|---|
| Time to Intubation | Time from the insertion of the Glidescope blade to the measurement of end tidal CO2 (>30 mmHg) | Intraoperative intubation |
| Measure | Description | Time Frame |
|---|---|---|
| Success Rate of Intubation | The number of patients in which the intubation was successful at the first time. | Intraoperative intubation |
| Difficulty of Intubation Measured Using Visual Analogue Scale |
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Inclusion Criteria:
Exclusion Criteria:
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 29332445 | Derived | Lee YC, Lee J, Son JD, Lee JY, Kim HC. Stylet angulation of 70 degrees reduces the time to intubation with the GlideScope(R): A prospective randomised trial. J Int Med Res. 2018 Apr;46(4):1428-1438. doi: 10.1177/0300060517741065. Epub 2018 Jan 14. |
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| ID | Title | Description |
|---|---|---|
| FG000 | 90 Degree | The ETT with the 90° angle stylet was bent at a point 8 cm from its distal end. Glidescope guided intubation GlideScope® |
| FG001 | 70 Degree | The ETT was bent by 70° at a point 6 cm from its distal end and the proximal portion of the ETT was formed as the shape of the GL blade until the point of the handle. Glidescope guided intubation GlideScope® |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | 90 Degree | The ETT with the 90° angle stylet was bent at a point 8 cm from its distal end. Glidescope guided intubation GlideScope® |
| BG001 | 70 Degree | The ETT was bent by 70° at a point 6 cm from its distal end and the proximal portion of the ETT was formed as the shape of the GL blade until the point of the handle. Glidescope guided intubation GlideScope® |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Time to Intubation | Time from the insertion of the Glidescope blade to the measurement of end tidal CO2 (>30 mmHg) | Posted | Mean | Standard Deviation | sec | Intraoperative intubation |
|
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | 90 Degree | The ETT with the 90° angle stylet was bent at a point 8 cm from its distal end. Glidescope guided intubation GlideScope® |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Hyun-Chang Kim | Keimyung university | +821028862876 | onidori1979@gmail.com |
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| ID | Term |
|---|---|
| D002764 | Cholecystitis |
| D013274 | Stomach Neoplasms |
| ID | Term |
|---|---|
| D005705 | Gallbladder Diseases |
| D001660 | Biliary Tract Diseases |
| D004066 | Digestive System Diseases |
| D005770 | Gastrointestinal Neoplasms |
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| Device |
|
Difficulty of intubation will be measured using visual analogue scale (0:easiest, 100:most difficult).
| Intraoperative intubation |
| Number of Participants for Whom External Laryngeal Manipulation Was Necessary | External laryngeal manipulation is defined as the compression of neck for the facilitation of laryngeal view. Number of participants for whom external laryngeal manipulation was necessary will be measured. | Intraoperative intubation |
| Cormack-Lehan Grade | The grade of Cormack-Lehan was assessed as I/II/III/IV (I: Full view of glottis, II: Partial view of glottis, III: Only epiglottis seen, none of glottis seen, IV: Neither glottis nor epiglottis seen). Grade I was considered better outcomes. | Intraoperative intubation |
| Mallampati Grade | The Mallapati grade was assessed as I/II/III/IV (I: Soft palate, uvula, fauces, pillars visible, II: Soft palate, uvula, fauces visible, III: Soft palate, base of uvula visible, IV: Only hard palate visible). Grade I was considered better outcomes. | Intraoperative anesthetic induction |
| Thyromental Distance | The thyromental distance was measured. | Intraoperative anesthetic induction |
| Postoperative Sore Throat Measured Using Visual Analogue Scale | Postoperative sore throat will be measured using visual analogue scale (0:no pain, 100: worst pain imaginable) | at 1, 24 hr postoperatively |
| Mean Blood Pressure | Mean blood pressure is measured before and 2 min after intubation. | Intraoperative intubation |
| Heart Rate | Heart rates are measured before and 2 min after intubation. | Intraoperative intubation |
| Airway Injury | Larynx injury is assessed. | Intraoperative intubation |
| BG002 | Total | Total of all reporting groups |
| Participants |
|
| Age, Continuous | Mean | Standard Deviation | years |
|
| Sex/Gender, Customized | Number | participants |
|
| Region of Enrollment | Number | participants |
|
| Units | Counts |
|---|---|
| Participants |
|
|
| Secondary | Success Rate of Intubation | The number of patients in which the intubation was successful at the first time. | Posted | Count of Participants | Participants | Intraoperative intubation |
|
|
|
| Secondary | Difficulty of Intubation Measured Using Visual Analogue Scale | Difficulty of intubation will be measured using visual analogue scale (0:easiest, 100:most difficult). | Posted | Mean | Standard Deviation | units on a scale | Intraoperative intubation |
|
|
|
| Secondary | Number of Participants for Whom External Laryngeal Manipulation Was Necessary | External laryngeal manipulation is defined as the compression of neck for the facilitation of laryngeal view. Number of participants for whom external laryngeal manipulation was necessary will be measured. | Posted | Count of Participants | Participants | Intraoperative intubation |
|
|
|
| Secondary | Cormack-Lehan Grade | The grade of Cormack-Lehan was assessed as I/II/III/IV (I: Full view of glottis, II: Partial view of glottis, III: Only epiglottis seen, none of glottis seen, IV: Neither glottis nor epiglottis seen). Grade I was considered better outcomes. | Posted | Count of Participants | Participants | Intraoperative intubation |
|
|
|
| Secondary | Mallampati Grade | The Mallapati grade was assessed as I/II/III/IV (I: Soft palate, uvula, fauces, pillars visible, II: Soft palate, uvula, fauces visible, III: Soft palate, base of uvula visible, IV: Only hard palate visible). Grade I was considered better outcomes. | Posted | Count of Participants | Participants | Intraoperative anesthetic induction |
|
|
|
| Secondary | Thyromental Distance | The thyromental distance was measured. | Posted | Mean | Standard Deviation | mm | Intraoperative anesthetic induction |
|
|
|
| Secondary | Postoperative Sore Throat Measured Using Visual Analogue Scale | Postoperative sore throat will be measured using visual analogue scale (0:no pain, 100: worst pain imaginable) | Posted | Mean | Standard Deviation | units on a scale | at 1, 24 hr postoperatively |
|
|
|
| Secondary | Mean Blood Pressure | Mean blood pressure is measured before and 2 min after intubation. | Posted | Mean | Standard Deviation | mmHg | Intraoperative intubation |
|
|
|
| Secondary | Heart Rate | Heart rates are measured before and 2 min after intubation. | Posted | Mean | Standard Deviation | beats per minute | Intraoperative intubation |
|
|
|
| Secondary | Airway Injury | Larynx injury is assessed. | Posted | Count of Participants | Participants | Intraoperative intubation |
|
|
|
| 0 |
| 78 |
| 0 |
| 78 |
| 0 |
| 78 |
| EG001 | 70 Degree | The ETT was bent by 70° at a point 6 cm from its distal end and the proximal portion of the ETT was formed as the shape of the GL blade until the point of the handle. Glidescope guided intubation GlideScope® | 0 | 79 | 0 | 79 | 0 | 79 |
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| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D005767 | Gastrointestinal Diseases |
| D013272 | Stomach Diseases |
| III |
|
| IV |
|
| III |
|
| IV |
|