Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
The purpose of this study is to find the adequate additional bronchial cuff volume after achievement of air-tight seal, that can achieve blood-tight seal(preventing leakage of blood through cuff) in double lumen tube
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 39 Fr double lumen group | Experimental | patients are assigned to 35 Fr, 37 Fr, 39 Fr double lumen tube group according to their left main bronchus diameter measured by preoperative chest CT, to minimize difference between main bronchus diameter and bronchial tip diameter of double lumen tube |
|
| 37 Fr double lumen group | Experimental | patients are assigned to 35 Fr, 37 Fr, 39 Fr double lumen tube group according to their left main bronchus diameter measured by preoperative chest CT, to minimize difference between main bronchus diameter and bronchial tip diameter of double lumen tube |
|
| 35 Fr double lumen tube group | Experimental | patients are assigned to 35 Fr, 37 Fr, 39 Fr double lumen tube group according to their left main bronchus diameter measured by preoperative chest CT, to minimize difference between main bronchus diameter and bronchial tip diameter of double lumen tube |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 39 Fr double lumen tube group | Procedure | additional bronchial cuff volume is decided according to up-and-down biased coin design sequential method, by incremental volume of 0.1 ml |
| Measure | Description | Time Frame |
|---|---|---|
| leakage of autologus blood through bronchial cuff | 10, 20, 30 minutes after dripping of blood around bronchial cuff |
Not provided
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jae-Hyon Bahk, MD, PhD | Contact | 82-2-2072-2818 | bahkjh@snu.ac.kr |
Not provided
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul National University Hospital | Recruiting | Seoul | South Korea |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| 37 Fr double lumen tube group | Procedure | additional bronchial cuff volume is decided according to up-and-down biased coin design sequential method, by incremental volume of 0.1 ml |
|
| 35 Fr double lumen tube group | Procedure | additional bronchial cuff volume is decided according to up-and-down biased coin design sequential method, by incremental volume of 0.1 ml |
|