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This study aims to evaluate the effect of paratracheal pressure on mask ventilation in anesthetized obese patients in terms of expiratory tidal volume, and peak inspiratory pressure.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Paratracheal pressure | Experimental | After the induction of anesthesia, paratracheal pressure is applied during mask ventilation. |
|
| No pressure | Active Comparator | After the induction of anesthesia, no pressure is applied during mask ventilation. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mask ventilation | Other | Mask ventilation is performed under paratracheal pressure or no pressure in a randomized, crossover manner. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Expiratory tidal volume | Volume controlled mechanical ventilation is delivered during mask ventilation. Expiratory tidal volumes on the monitor screen are recorded during mask ventilation | For 2 min of mask ventilation after the induction of anesthesia |
| Measure | Description | Time Frame |
|---|---|---|
| Peak inspiratory pressure | Peak inspiratory pressure on the screen is recorded during mask ventilation. | For 2 min of mask ventilation after the induction of anesthesia |
| Inadequate tidal volume |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul Metropolitan Government Seoul National University Boramae Medical Center | Seoul | 156-707 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37418060 | Derived | Seol T, Kim H, Chang JE, Kang Y, Hwang JY. Effect of paratracheal pressure on the effectiveness of mask ventilation in obese anesthetized patients: a randomized, cross-over study. J Clin Monit Comput. 2024 Feb;38(1):31-36. doi: 10.1007/s10877-023-01048-8. Epub 2023 Jul 7. |
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| ID | Term |
|---|---|
| D053120 | Respiratory Aspiration |
| ID | Term |
|---|---|
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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Incidence of tidal volume less than 150 mL is recorded.
| For 2 min of mask ventilation after the induction of anesthesia |
| Incidence of hypoxia | Occurrence of hypoxia (SpO2 <90%) is recorded. | For 2 min of mask ventilation after the induction of anesthesia |