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We evaluate the GlideScope and lighted stylet for DLT intubation in terms of the intubation time, number of intubation attempts, difficulty in DLT advancement towards the glottis, postoperative sore throat and hoarseness, and hemodynamic responses during intubation in patients with predicted difficult airways.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| GlideScope group | Active Comparator | After the induction of anesthesia, endobronchial intubation is performed using the GlideScope. |
|
| Lighted stylet group | Experimental | After the induction of anesthesia, endobronchial intubation is performed using a lighted stylet. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| GlideScope | Device | Endobronchial intubation is performed using the GlideScope. |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Intubation time taken for endobronchial intubation | Intubation time is defined as the time elapsed from picking up GlideScope or lighted stylet to confirmation of successful intubation by capnometry. | During endobronchial intubation |
| Measure | Description | Time Frame |
|---|---|---|
| Number of intubation attempts | Total intubation attempts are counted. | During endobronchial intubation |
| Difficulty of DLT advancement towards the glottis | It is categorised as very easy, easy, difficult, and very difficult |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jin-Young Hwang, M.D., Ph.D. | Contact | 82-2-870-2518 | mistyblue15@naver.com |
| Name | Affiliation | Role |
|---|---|---|
| Jin-Young Hwang, M.D., Ph.D. | Seoul Metropolitan Government Seoup National University Boramae Medical Center | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul Metropolitan Government Seoul National University Boramae Medical Center | Recruiting | Seoul | 156-707 | South Korea |
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| Lighted stylet |
| Device |
Endobronchial intubation is performed using a lighted stylet. |
|
| During endobronchial intubation |
| Resistance to DLT insertion through the glottis | It is categorized as none, mild, and moderate | During endobronchial intubation |
| The incidence and severity of postoperative sore throat | It is quantified by using a 100-point numerical rating scale (NRS, 0 [no pain], 100 [worst pain imaginable]). | At 1 and 24 hours after surgery |
| The incidence and severity of postoperative hoarseness | Hoarseness is defined as a voice quality different from the preoperative voice and graded as follows: none (no hoarseness), mild (recognized by the patient), moderate (obvious to the investigator), and severe (aphonia). | At 1 and 24 hours after surgery |