• Chunming Guo, Chuzhou Ma, and Liangxin Yu.
• Department of Anesthesiology, Shantou Hospital Affiliated to Zhongshan University, Shantou 515031, China. Email: stzxyygcm@163.com.
• Zhonghua Yi Xue Za Zhi. 2014 Jun 3;94(21):1651-3.

ObjectiveTo compare the application of Coopdech bronchial blocker and double lumen bronchial tube during one lung ventilation in children.MethodsForty children undergoing one lung ventilation for thoracic surgery at Shantou Central Hospital from January 2012 to June 2013, approved by hospital ethics committee, were randomized into Coopdech bronchial blocker group (group A) and double-lumen tube group (group B). Anesthetic management and lung isolation were performed according to a standardized protocol. Two groups of children with the intubation time, intubation success rate, collapse score, the frequency of postoperative hoarseness were recorded. Before and after one lung ventilation in patients of the two groups of PaCO₂, PaO₂ and airway pressure (PAW) changes were recorded.ResultsThe intubation time in A was longer than those of group B ((224 ± 72)vs(165 ± 46) s, P < 0.05), the success rate of intubation(100% vs 85%, P < 0.05), collapse score in A group was higher than in group B (95% vs 75%, P < 0.05) , Sore throat hoarseness occurred after operation in A group was lower than in B group (10% vs 35%, P < 0.05) , PaO₂ was higher in group A after one lung ventilation for 30 min ((206 ± 58)vs(148 ± 63) mmHg, P < 0.05), PaCO₂ and PAW were lower than group B ((36 ± 4) vs (45 ± 7) mmHg;(21.6 ± 3.2)vs(29.3 ± 5.5) cm H₂O, P < 0.05).ConclusionThe Coodech bronchial blocker provided effective surgical exposure with less throat injuries, higher intubation success rate, lower airway pressure in children during video-assisted thoracoscopic surgery.

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