CT 3-Dimentional Airway Reconstruction-guided Intraluminal Placement of Endobronchial Blocker in Pediatric Patients: A Randomized Controlled Study
semanticscholar(2020)
摘要
Background: The one-lung ventilation (OLV) with endobronchial blocking is commonly used in anesthesia for pediatric thoracic surgery. Bronchoscopy is commonly used to guide the endobronchial blocker placement. However, when bronchoscopy is not applicable, the proper placement of endobronchial blocker is challenging. The computed tomography (CT) 3-dimentional reconstruction may be used to accurately measure the airway of pediatric patients. The present study was aimed to propose a new approach of CT 3-dimentional airway reconstruction-guided endobronchial blocker placement in pediatric patients and to determine its efficiency in clinical application.Methods: A total of 127 pediatric patients of 0.5-3 years old who would undergo elective thoracic surgery under OLV were randomized into the bronchoscopy group and the CT group. The degree of lung collapse, postoperative airway mucosal injury, pulmonary infection within 72 h after surgery, trachyphonia after tracheal extubation, durations of postoperative mechanical ventilation, intensive care unit (ICU) stay, and hospitalization, the successful rate of the first blocker positioning, and the required time and repositionings for successful blocker placement were compared between the two groups.Results: The degree of lung collapse, postoperative airway mucosal injury, pulmonary infection within 72 h after surgery, trachyphonia after tracheal extubation, durations of postoperative mechanical ventilation, ICU stay, and hospitalization were similar between the two groups (all P > 0.05).Conclusions: For pediatric patients who would undergo surgery with OLV, preoperative CT 3-dimentional airway reconstruction could be used to guide endobronchial blocker placement, with a blocking efficiency similar to that of bronchoscopy-guided blocker placement.The trial was registered prior to patient enrollment at China Clinical Trial Registry (http://www.chictr.org.cn/showproj.aspx?proj=4344, Principal investigator: Yingyi Xu, Registration number: ChiCTR-TRC-14005232, Date of registration: 12 August 2014).
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关键词
endobronchial blocker,airway,pediatric patients,reconstruction-guided
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