A Randomized, Prospective Trial Comparing Double-lumen Tube and Bronchial Blocker With or Without Modified Disconnection Technique
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 54
- 试验地点
- 2
- 主要终点
- Effectiveness of three lung isolation methods
研究概览
简要总结
One lung ventilation (OLV) is accomplished with a double lumen tube (DLT) or a bronchial blocker (BB). In this study, the investigators compared the effectiveness of lung collapse using DLT, BB with spontaneous collapse, and BB with disconnection technique.
详细描述
In selecting this maneuver of OLV, lung collapse is a major concern because it permits adequate surgical exposure. Although once lung deflation was achieved, the overall clinical performance appears to be similar, BB takes longer to deflate the operative lung and there is some conflict reports as to BB provides a similar degree of lung deflation compared to that of DLT.
The aim of this study was to compare the efficacy of BB and DLT for achieving lung collapse, and to evaluate the efficacy of disconnection technique with monitoring the carbon dioxide trace on a capnograph in BB. The investigators further evaluated the disconnection time, which is the time to loss of carbon dioxide trace on the capnograph, needed to facilitate lung collapse.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Double (Participant, Investigator)
入排标准
- 年龄范围
- 16 Years 至 —（Child, Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients undergoing thoracic surgery for which OLV is required
排除标准
- •Patients with an anticipated difficult intubation with infectious or bleeding lung lesions are excluded.
结局指标
主要结局
Effectiveness of three lung isolation methods
时间窗: Ten min from the start of one lung ventilation
The degree of lung collapse after 5 min from the start of OLV. The degree of lung collapse was assessed using a lung collapse score (0 = no collapse, to 10 = complete collapse) by one thoracic surgeon. The surgeon who assessed the lung collapse was absent from the operating room during DLT or BB placement and was blinded to the airway device.
次要结局
- The disconnection time(The time to loss the carbon dioxide trace on the capnograph (30 seconds))
研究者
Sung Yong Park
associate professor
Ajou University School of Medicine