期刊
ANNALS OF THORACIC SURGERY
卷 91, 期 2, 页码 580-583出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.athoracsur.2010.10.018
关键词
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资金
- United States Army Telemedicine and Advanced Technologies Research Center [W81XWH-05-1-0564]
- Global Cardiovascular Innovation Center (Cleveland, OH)
Purpose. We developed a small-diameter (20-French [Fr]) chest drainage system that incorporates an active tube clearance (ATC) system, and we evaluated its efficacy in an acute hemothorax model. Description. The ATC system includes an internal guidewire that can be advanced into the lumen of the chest tube to keep the tube from clogging. In six pigs, a 20-Fr ATC tube was placed on one side and a 32-Fr standard tube on the other, and 120 mL of fresh blood was infused into each pleural space every 15 minutes for a total of 840 mL. Evaluation. The amount of drainage for 2 hours with a 20-Fr ATC tube was significantly greater than that with the 32-Fr standard tube (525 +/- 179 mL vs 183 +/- 85 mL; p = 0.0032). Conclusions. This is the first time a smaller diameter tube has been shown to have better drainage in the setting of acute bleeding compared with larger diameter tubes. (Ann Thorac Surg 2011;91:580-3) (C) 2011 by The Society of Thoracic Surgeons
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