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观察六种氧疗工具(单侧鼻导管、双侧鼻导管、鼻塞、Venturi面罩、高频喷射通气、高频喷射通气并用体外膈肌起搏)对115例肺心病呼吸衰竭患者氧疗效果的比较,结果以Venturi面罩对提高PaO_2和降低PaCO_2的疗效为最佳。
Oxygen therapy in 115 patients with respiratory failure of cor pulmonale was compared with six oxygen therapy tools (unilateral nasal cannula, bilateral nasal cannula, nasal prong, Venturi mask, high frequency jet ventilation, high frequency jet ventilation and external diaphragmatic pacing) , The results of the Venturi mask to improve PaO_2 and reduce the efficacy of PaCO_2 best.