Clinical observation also showed that the control of temperature,amount of sputum,extraction of canula-extracting time,sputum culture and X-ray chest film in the former were better than in the latter.

• 临床观察也证明，气管切开后喷雾给药组在控制体温、痰量变化、拔管时间、痰培养与胸片方面也明显优于滴药法。