The amount of air leaking from a chest tube can be measured in two main ways:
- electronic monitor connected to the chest tube
- numerical (non-electronic) monitor connected to the chest tube
For people who have had lung surgery, it is important to understand the impact of measuring air leaks accurately in both the short term and the long term. An electronic medical device called Thopaz measures air leak electronically. Another medical device called Pleur-evac measures air leak numerically. The purpose of this study is to understand the accuracy of the method used by doctors and nurses to determine if a chest tube has an air leak. It is also important to determine the size or severity of an air leak.
Primary Outcome Measures:
| Study Start Date:
| Study Completion Date:
| Primary Completion Date:
||November 2012 (Final data collection date for primary outcome measure)
Patients with air leaks following lung surgery will be assessed by a target number of 6 observers each (three nurses and three MDs) who will be randomly asked to participate. Patients will first be connected to the numerical air leak detector, followed by the electronic air leak detector. Observers will record their responses for each device. They will be blinded to responses from other observers.