Effectiveness of various airway management techniques in a bench model simulating a cardiac arrest patient

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• 作者：Ocker ; Hartmut ; Wenzel ; Volker ; Schmucker ; Peter ; Dö ; rges ; Volker
• 关键词：airway management ; paramedics ; bag-valve-mask ventilation ; laryngeal mask airway ; Combitube
• 刊名：Journal of Emergency Medicine
• 出版年：2001
• 出版时间：January, 2001
• 年：2001
• 卷：20
• 期：1
• 页码：7-12
• 全文大小：142 K

文摘

The purpose of this study was to assess the levels of lung and gastric tidal volumes paramedics achieve when performing ventilation with bag-valve-mask, laryngeal mask, and Combitube. Twenty paramedics performed ventilation with a bag-valve mask, laryngeal mask, and Combitube in a bench model simulating an unintubated cardiorespiratory arrest patient. Lung and gastric tidal volumes and lung and gastric peak airway pressures were subsequently measured. The results showed that mean ± SEM lung tidal volumes were significantly higher with the laryngeal mask and Combitube compared to the bag-valve-mask (701 ± 264 vs. 742 ± 311 vs. 353 ± 110 mL, respectively). No gastric inflation occurred with the Combitube; gastric inflation was significantly lower with the laryngeal mask compared to the bag-valve-mask (25 ± 15 vs. 230 ± 25 mL, respectively). Both the laryngeal mask and Combitube proved to be valid alternatives for bag-valve-mask ventilation in our bench model simulating an unintubated patient with cardiorespiratory arrest.