tailieunhanh - Báo cáo y học: "End-tidal carbon dioxide monitoring during bag valve ventilation: the use of a new portable device"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: End-tidal carbon dioxide monitoring during bag valve ventilation: the use of a new portable device | Lindstrom et al. Scandinavian Journal of Trauma Resuscitation and Emergency Medicine 2010 18 49 http content 18 1 49 SCANDINAVIAN JOURNAL OF Et emergency medicine ORIGINAL RESEARCH Open Access End-tidal carbon dioxide monitoring during bag valve ventilation the use of a new portable device Veronica Lindstrom1 Christer H Svensen2 Patrik Meissl1 Birgitta Tureson1 Maaret Castrén3 Abstract Background For healthcare providers in the prehospital setting bag-valve mask BVM ventilation could be as efficacious and safe as endotracheal intubation. To facilitate the evaluation of efficacious ventilation capnographs have been further developed into small and convenient devices able to provide end- tidal carbon dioxide ETCO2 . The aim of this study was to investigate whether a new portable device EMMA attached to a ventilation mask would provide ETCO2 values accurate enough to confirm proper BVM ventilation. Methods A prospective observational trial was conducted in a single level-2 centre. Twenty-two patients under general anaesthesia were manually ventilated. ETCO2 was measured every five minutes with the study device and venous PCO2 PvCO2 was simultaneously measured for comparison. Bland- Altman plots were used to compare ETCO2 and PvCO2. Results The patients were all hemodynamically and respiratory stable during anaesthesia. End-tidal carbon dioxide values were corresponding to venous gases during BVM ventilation under optimal conditions. The bias the mean of the differences between the two methods device versus venous blood gases for time points 1-4 ranges from to . Conclusion The portable device EMMA is suitable for determining carbon dioxide in expired air kPa as compared to simultaneous samples of PvCO2. It could therefore be a supportive tool to asses the BVM ventilation in the demanding prehospital and emergency setting. Background In a prehospital setting it is necessary that airway management is easily attempted and maintained 1 . .

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