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Differential Lung Ventilation in Special Cases:Tracheostomy, Tracheal Bronchus, Tracheal Necrosis, Tracheobronchial Disruption, and Bronchocutaneous Fistula Hiroaki TOYAMA 1 1Department of Anesthesia, Yamagata University Faculty of Medicine Keyword: one lung ventilation , differential lung ventilation , double lumen endobronchial tube , endobronchial blocker , tracheostomy , tracheal bronchus , tracheal necrosis , tracheobronchial disruption , bronchocutaneous fistula pp.660-671
Published Date 2025/10/10
DOI https://doi.org/10.18916/masui.2025100009
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 When one-lung ventilation(OLV)is required for special cases, the patient’s cardiopulmonary function should first be assessed to determine whether the patient can tolerate OLV. When the patient’s cardiopulmonary function can tolerate OLV, his or her airway morphology is evaluated in detail, and airway management plans are drawn up. The airway morphology and the surgical procedure affect the selection of the intubation route and the airway management device. For differential lung ventilation from the tracheostoma, the device selection takes into account the diameters and shapes of the tracheostoma, trachea, and bronchus, and the ventilation side. For tracheal bronchus, a double-lumen endobronchial tube can be used if the distance from the tracheal bronchus to the carina is≤2 cm, and if the distance is>2 cm, a combination of a single-lumen endotracheal tube(SLT)and an endobronchial blocker(EBB)is suitable. Right OLV is performed by blocking the left bronchus with an EBB, and left OLV is performed by intubating an SLT to the left bronchus. If the pulmonary blood flow distribution is normal, left OLV is often advantageous in OLV by providing bronchial intubation with an SLT, and the diameter and length of the left main bronchus should be measured before anesthesia is administered.


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電子版ISSN 印刷版ISSN 0021-4892 克誠堂出版

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