الفهرس 
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Abstract
The endotracheal intubation is a common procedure in the medical practice, the gold standard technique for achieving endotracheal intubation is the direct laryngoscopy using the Macintosh. The use of the Macintosh has been associated with many hazards such as; difficult visualization of the glottis and difficult intubation, high force and extensive manipulation are applied with significant hemodynamic changes, which may be life threatening in vulnerable patients. This also associated with many postoperative complications like sore throat and hoarseness of voice. For all this hazards many techniques has been tried, one of them is the Glidescope, which is a novel laryngoscope, characterized by better visualization of the glottis, thus better intubation trials. Also less force is needed during laryngoscopy using Glidescope, so we assume that it has less hemodynamic effects and less postoperative complication. Aim of work: To compare hemodynamic effects of Glidescope versus Macintosh laryngoscope in controlled hypertensive patients as primary outcome. First attempt success rate, intubation time and postoperative airway complications recorded as secondary outcomes. Patients and Methods: In this study ninety eligible patients were randomly allocated into two groups ; G group for the Glidescope and M group for the Macintosh.The two groups were compared for hemodynamic changes, intubation condition and postoperative complications. The hemodynamic stress response was compared using the changes in the heart rate and blood pressure. The intubation condition compared as regard first attempt success rate, number of attempts and Cormack Lehane score. The postoperative complications were assessed by occurrence of sore throat, hoarseness of voice and airway injury. The analysis of heart rate and blood pressure changes show that the Glidescope induce less hemodynamic changes with the endotracheal intubation; in controlled hypertensive patients than the Macintosh laryngoscope. It also shows better intubation condition, which detected by analysis of results of Cormack Lehane score, first attempts success rate and number of needed trials, despite it needs more time for completion of intubation process. Also, the Glidescope induce less post operative complications as regard sore throat and hoarseness of the voice, meanwhile no airway injury happened in both groups. Conclusions: from the results of this study, it could be concluded that, using the Glidescope for endotracheal intubation in controlled hypertensive patients in comparison to Macintosh, was associated with significant decrease in hemodynamic changes including (heart rate, systolic, diastolic and mean arterial blood pressure) immediately after intubation and for 1minute after the intubation. Also, it is associated with decreased incidence of postoperative complications as regard (sore throat and hoarseness of voice). And it improves the conditions of the endotracheal intubation process, while it require more time for completion of intubation.