• Y L Sun, Y Bai, T K Li, S G Lü, L Wang, and X H Lu.
• Department of Anesthesiology, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China.
• Zhonghua Yi Xue Za Zhi. 2017 Jul 25; 97 (28): 2194-2197.

AbstractObjective: To investigate the effect of the single lumen endobronchial tube and the double lumen endobronchial tube on ventilation and lung injury in patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy. Methods: Sixty patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy were divided into single lumen endobronchial tube group (D group, n=30) and double lumen endobronchial tube group (S, n=30) according to the random number table. Blood samples were harvested at the moment of tracheal intubation (T(0)), after artificial pneumothorax (one lung ventilation) 30 min (T(1)), after artificial pneumothorax (one lung ventilation) 90 min (T(2)), artificial pneumothorax over (double lung ventilation) 30 min (T(3)) and after extubation 30 min (T(4)) for arterial blood gas analysis. Heart rate (HR), mean arterial pressure (MAP), pulse oxygen saturation (SpO(2)), oxygen tension (PaO(2)), carbon dioxide partial pressure (PaCO(2)) and airway pressure (PAW) were recorded at T(0)-T(4). The incidences of pneumonia of two groups were record at 3 days after operation. Results: There were no obvious differences in HR, MAP, SpO(2), PaO(2), PaCO(2) between two groups at T(0)-T(4) (P>0.05). Compared with T(0), the levels of HR and PaO(2) were increased remarkably at T(1)-T(3) (P<0.05), the levels of PaCO(2) were increased remarkably at T(1)-T(4) (P<0.01), and the levels of Paw were increased remarkably at T(1)-T(3) (P<0.01). Compared with S group, the levels of Paw were decreased remarkably at T(1)-T(2) (29.5±3.7 vs 21.3±2.1, P=0.001; 30.7±4.8 vs 20.3±2.3, P=0.001). There were no obvious differences in the levels of TNF-α, IL-6, IL-8 in Bronchoalveolar Lavage Fluid (BALF) between two groups at T(0) (P>0.05). Compared with T(0), the levels of TNF-α, IL-6, IL-8 in BALF were increased remarkably at T(3), T(5) (P<0.05). Compared with S group, the levels of TNF-α, IL-6, IL-8 in D group in BALF were decreased remarkably at T(3), T(5) (P<0.05). Compared with S group, the incidence of pneumonia in D group were decreased remarkably at 3 days after operation (4(13.3%) vs 11(36.7%), P=0.017). Conclusion: The ventilation effect of the single lumen endobronchial tube on lung injury for patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy is the same as that of the double lumen endobronchial tube, however the single lumen endobronchial tube has less injury on the lung.

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