Yafteh

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Introduction: As endotracheal intubation is the first action which must be done for serious and very ill patients , so any procrastination leads to dangerous consequences including aspiration and finally death. Routine method for endotracheal intubation is injection of intravascular diazepam- Pethidine and sometimes muscle relaxants , but these drugs in Patients with GCS under 7 cause more decrease in level of consciousness. Materials & Methods: In this clinical trial 60 patients who needed to intubation were divided into two groups of 30 patients randomly. The two groups were matched from view point of age, sex and weight. In the experimental group before endotracheal intubation, bilateral supralaryngeal and transtracheal nerves were blocked by lidocain 2% . In the control group, petidine – diazepam and lidocaine were administrated intravenously before intubation. Then the two groups were compared from view point of complications of intubation such as jaw resistance , vocal cord movement and bucking. Finding : Statistical test showed that Jaw resistance , vocal cord movement and bucking in the experimental group were lower than control group .This difference was statistically significant (P<0.001). Conclusion : According to the results, use of nerve block for intubation in Patients with GCS under 7 is suggested.

Keywords: Endotracheal Intubation, Nerve block, Intravenous injection.

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