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Comparison of Nasotracheal Intubation with Glidescope and General Laryngoscope in Obstructive Sleep Apnea and Hyperpnoea Syndrome Patients

Author: CaiXiaFeng
Tutor: LinCaiZhu
School: Fujian Medical
Course: Anesthesiology
Keywords: obstructive sleep apnea and hyperpnoea syndrome Glidescope video laryngoscope intubation methods endotracheal hemodynamic responses bispectral index
CLC: R614
Type: Master's thesis
Year: 2011
Downloads: 23
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Abstract


Objective:To compare the difference in nasotracheal intubation withthe aid of between Glidescope video laryngoscope and Generallaryngoscope in obstructive sleep apnea and hyperpnoea syndromepatient,and their different effects in the hemodynamic reponses andanesthetic depth.Methods: Forty ASAⅠorⅡOSAHS patients（31 male，9female）aged 25～45 yrs weighing 60～80kg heighing 150～175cm BMI 25～29kg/m2 randomlyscheduled for elective surgery under general anesthesia with nasotrachealintubation and mechanical ventilation were randomly divided into twogroups（n=20）：Glidescope video laryngoscope group and Generallaryngoscope group. Anesthesia was induced with PenequinineHydrochlordie 0.5mg, dexamethasone 10mg, midazolam 0.05mg.kg-1，remifentanyl 2ug.kg-1，propofol 2mg.kg-1 and suxamethonium 2mg.kg-1 andmaintained with propofol 4～6mg.（kg.h）-1. Nasotracheal intubation wasperformed at 1 min after intravenous suxamethonium. Invasive BP,HR andBIS were recorded before and after induction of anesthesia，duringtracheal intubation and at 1，2，3，4，5 min after tracheal intubationwas completed;and recorded the intubation time and the incidence rate ofexternal laryngeal press maneuver and magil forceps used and blood onlaryngoscope and the first-attempt success rate. Results: The intubation time with Glidescope video laryngoscopegroup was significantly less than with General laryngoscopegroup（P<0．05）.The incidence rate of magil forceps used and blood onlaryngoscope with Glidescope video laryngoscope group was significantlyless than with General laryngoscope group（P<0．05）.BP and BIS weresignificantly decreased after induction of anesthesia, but there was nosignificant change in HR. HR BP and BIS were significantly increased aftertracheal intubation（P<0．05）. There were no significant change in HR BPand BIS in each observation point of two groups.Conclusion: Glidescope video laryngoscope induced nasotrachealintubation have the advantage of wide vision field ,no difficultairway ,easy intubation and less lesion to compare with Generallaryngoscope,but there no advantage in release hemodynamic responses.

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