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Hormozgan University of Medical Sciences

Comparison of hemodynamic Changes following intubation with Miller and Macintosh laryngoscope

(1394) Comparison of hemodynamic Changes following intubation with Miller and Macintosh laryngoscope. مجله انجمن آنستزیولوژی و مراقبت های ویژه ایران.

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Abstract

Introduction: Laryngoscopy and intubation during general anesthesia is a painful stimulation that causes hypertension and tachycardia. Hypertension and tachycardia may induce arrhythmias and myocardial infarction in an ischemic heart. The aim of this study was to compare the hemodynamic effects of tracheal intubation through using the Macintosh and Miller laryngoscopy blades. Materials and methods: This study is a clinical trial performed at the University of Hormoozgan Medical Sciences during 2013-2015. A total of 203 patients candidates for elective were randomly divided into Macintosh laryngoscope blade (n=103) and Miller laryngoscope blade (n=100) groups. Hemodynamic parameters were measured at the baseline, after induction and before intubation, immediately after intubation and minutes of one, three and five after intubation measure were recorded. After recording patient data, statistical data analysis was performed using SPSS version 19. Chi- Square and T-Test and Repeated ANOVA statistical tests were used. The values of P <0. 05 was considered significant. Results: The demographic variables were similar. Mallampati scores and laryngoscopy grades were similar in both groups. The duration of laryngoscopy in Macintosh was significantly shorter than Miller (P = 0.001). The mean systolic blood pressure, diastolic blood pressure, mean arterial blood pressure and heart rate only at times; immediately, one and three minutes after intubation in Miller's group was significantly more than the Macintosh group. Conclusion: Because the time for laryngoscopy and hemodynamic changes with a Miller blade was less than the Macintosh blade we concluded that the Miller blade showed a better profile and performance.

Item Type: Article
Keywords: Laryngoscopy, hemodynamic changes, Macintosh blade, blade Miller and intubation
Subjects: anesthesiology
anesthesia
Divisions: Research Vice-Chancellor Department > Anaesthesiology, Critical Care and Pain Management Research Center
Depositing User: مركز تحقيقات بیهوشی و مراقبتهای ویژه
URI: http://eprints.hums.ac.ir/id/eprint/3056

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