Abstract
BackgroundBoth a bronchial blocker (BB) and a double-lumen endotracheal tube (DLT) can achieve lung collapse and one-lung ventilation (OLV) during thoracic surgery. The purpose of this study was to compare these two airway devices in terms of efficacy in video-assisted thoraco-laparoscopic esophagectomy for cancer.MethodsA total of 55 patients underwent combined thoracoscopic and laparoscopic esophagectomy for cancer were enrolled and divided into a Coopdech bronchial blocker group (CBB group, n=27) or a DLT group (DLT group, n=28). The primary outcome was the lung collapse scores at 1, 5, 10 minutes after the opening of the pleural and assessed using a verbal analogue scale via a real-time video view. Secondary outcomes including time for tube localization, incidence of tube displacement, postoperative sore throats, and surgeons’ satisfaction with surgical manipulations were collected.ResultsThe patients in the CBB group achieved better lung collapse scores at 5 minutes (7.4±1.3 vs. 6.4±0.9 minutes, P<0.01) and 10 minutes (8.9±0.8 vs. 7.1±0.9 minutes, P<0.01) after opening the pleura, and they had lower incidence of postoperative sore throats [5 (18%) vs. 16 (57%), P<0.01] when compared with patients in DLT group. However, the time for tube localization were significantly longer in CBB group than in DLT group (210±120 vs. 125±60 s, P<0.05). There were no significant difference in tube displacement, hypoxemia (SpO2 <90%) during OLV, and in surgeons’ satisfaction with surgical manipulations.ConclusionsCBB technique can be a potential alternative to the conventional DLT strategy for lung collapse and OLV during esophagectomy.
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