However there are no reports on intra-operative alternation of one-lung and two-lung ventilations through the same single lumen endobronchial tube as it can only provide unilateral lung ventilation.

• 因为当单腔支气管内管置入一侧支气管后仅能提供该侧单肺呼吸，不能交替进行单肺及双肺通气，在目前文献中并无利用它来达到手术中单肺及双肺通切换的报告。