PMID: 29997085Jul 13, 2018Paper

Evaluation of the performance of a minimally invasive thoracic drainage tube in a rabbit model of hemothorax

Nan fang yi ke da xue xue bao = Journal of Southern Medical University
Jia-Qing ZhangTing-Ting Xing

Abstract

To assess the performance of a minimally invasive thoracic drainage tube (14 F) made of polyurethane (PU) in a rabbit model of hemothorax in comparison with the conventional 28 F chest tube (CCT). Thirty New Zealand rabbits were divided into experimental chest tube (ECT) group (n=9), CCT group (n=6), and blood provider group (n=15). Blood samples (20 mL) collected from the blood providing rabbits were injected into the chest cavity of the rabbits in the other two groups, and the time taken for closed drainage of the thoracic cavity was recorded. The rabbits in ECT and CCT groups were subjected to blood injections (20 mL for each injection) into the chest cavity every 20 min for 5 times, and the volumes of blood drained by ECT and CCT were measured. Two hours later, the rabbits were sacrificed and the residual blood and blood clots in the chest cavities were observed. Compared with CCT, the use of ECT significantly shortened the operation time (P<0.05) and produced more effective blood drainage at 20 min and 40 min after the placement of the drainage tube (P<0.05). No significant difference was found in the total blood volume drained between ECT and CCT groups, but the volume of residual blood in the thoracic cavity was signific...Continue Reading

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