支气管阻塞器与双腔支气管导管在食道癌手术患者单肺通气中呼吸力学和血气影响的比较.doc

支气管阻塞器与双腔支气管导管在食道癌手术患者单肺通气中呼吸力学和血气影响的比较.doc

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PA02[(79.75士16.45)mmHg】口<0.05),BB组动脉血氧饱和度Sa02(97.014-2.17)明 显高于DLT组Sa02(94.04+3.41)(P<0.05)。还不能认为两组方式行食管癌根治 术的患者的术后感染率不同 结论 在食管癌患者手术过程中使用BB和DLT均可完成有效的单肺通气,从而保 证手术的顺利进行,两种单肺通气方式各有其优缺点,使用BB行单肺通气对呼 吸力学和血气参数的影响较DLT小,具有很好的临床应用价值。 关键词. 支气管堵塞器;双腔气管导管;单肺通气 2 Theelllaihcnorbbronc ial blockers(BB)and double—lumen  endotracheal tube (DLT)in the  respiratory mechanics and blood gas in one--lung ventilation in esophageal carcinoma patients Obj ective Among the thoracic surgeries,we usually implement one-lung ventilation by lung isolation technology.In the lung of isolation technology,one of the two most popular method is dual chamber intubation techniques,Another is single lumen endobronchial intubation implementation obstruction technology.T.wo kinds of method may complete one-lung ventilation.The present study was designed  to  seek the feasibility of bronchial blocker for single lung ventilation and we will  contrast  the two ventilation ways of advantages and diaadvantages in  a  single lung ventilation  as  well  as  to compare the influence between the BB and DLT during  one-lung  ventilation in the respiratory mechanics and blood gas in esophageal carcinoma patients. Methods The 40 esophageal  cancer  patients were divided into BB  group(20 cases)and  DLT group(20 caLses)by  COINS method randomly.In BB group,BB Was intubated under the guidance of  a  fiberoptic bronchoscope after intubation of single lumen tube.While in DLT group,DLT was intubated with  a  fiberoptic bronchoscopy  examining  the DLT location.We would record the peek airway pressure(Paw)and the pulmonary dynamic compliance(Cdyn)of  the double lung ventilation  and  single  lung  ventilation,Blood samples  were taken from radial artery after single lung ventilation 20 min for blood analysis:partial  pressure of oxygen in  artery(Pa02),partial  pre

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