Objective To compare the hemodynamic responses to orotracheal intubation with GlideScope video laryngoscope (GSVL), Macintosh laryngoscope (MDLS) and fiberoptic bronchoscope (FOB) .

• 目的比较正常气道患者GlideScope视频喉镜(GSVL)、Macintosh直接喉镜(MDLS)和光导纤维支气管镜(FOB)经口气管插管时的血液动力学反应。