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Ann Thorac Surg. 2011 Feb;91(2):580-3. doi: 10.1016/j.athoracsur.2010.10.018.

Superior chest drainage with an active tube clearance system: evaluation of a downsized chest tube.

Author information

  • 1Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA.

Abstract

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.

Copyright © 2011 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

PMID:
21256318
[PubMed - indexed for MEDLINE]
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