Displacement Between PVC and Silicon DLT
This trial is active, not recruiting.
|Conditions||endotracheal tube wrongly placed during anesthetic procedure, surgical procedure, unspecified|
|Treatments||pvc dlt, silicon dlt|
|Sponsor||Yeungnam University College of Medicine|
|Start date||February 2016|
|End date||April 2017|
|Trial size||108 participants|
|Trial identifier||NCT02691468, YeungnamUDLT|
The purpose of this study is to compare difference of displacement between Polyvinyl Chloride(PVC) and Silicon double-lumen endobronchial tubes(DLTs) during changing position from supine to lateral in thoracic surgery.
|Intervention model||parallel assignment|
Measurement displacement amount of PVC and silicon DLT during position change
time frame: Immediately after positioning from supine to lateral
All participants from 18 years up to 75 years old.
Inclusion Criteria: - Patient required differential lung ventilation in elective thoracic surgery American society of Anesthesiologist physical status(ASA PS) 1~3 Exclusion Criteria: - emergency surgery, difficult intubation, poor lung function to accomplish OLV during surgery
|Official title||Comparison of Displacement Between Polyvinyl Chloride(PVC) and Silicon Double-Lumen Endobronchial Tubes(DLT) During Change of Position|
|Principal investigator||Sung Mee email@example.com, MD|
|Description||Lung isolation and differential lung ventilation, resulting in collapse of operative lung and ventilation of non-operating lung (one lung ventilation; OLV) are essential for thoracic surgery in lung, esophagus and thoracic aorta. DLT, consisted of tracheal and bronchial lumens, is commonly used to perform differential lung ventilation. The correct position of each lumen in trachea and main bronchus is essential for successful OLV. However, DLT displacement occurs commonly while patients are changed position from the supine to the lateral. The deleterious consequences of a malpositioned DLT can be substantial, even life-threatening including severe hypoxemia. Considering displacement of DLT during position change and surgical traction, previous studies recommended endobronchial cuff of DLT should be positioned at 0.5cm below the tracheal carina when using left-sided DLT. However, it is based on the data from several research conducted by PVC DLT. These days, Silicon DLT, different in material from PVC DLT, is also widely used in clinical practice. Silicon DLT is different in not only position of ballon but also distance of each lumen. Furthermore,there are no identified studies about the displacement of silicon DLT during patient position change in thoracic surgery. Therefore, it is necessary to measure the movement of silicon DLT during positional change from supine to lateral for finding the proper positioning of DLT. The investigators compare the difference of displacement between PVC DLT and silicon DLT distance during positional change from supine to lateral by fiberotic bronchoscope. And the investigators try to find proper position of PVC and silicon DLT, respectively, to perform safe and successful OLV during thoracic surgery.|
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