A comparitive study of haemodynamic responses to laryngeal mask airway insertion and endotracheal intubation
Journal Title: Journal of the Indian Medical Association - Year 2018, Vol 116, Issue 6
Abstract
Earlier about 50 years back endotracheal intubation was considered the only proved technique of establishing a secure airway though associated with haemodynamic changes1. The aim of this comparative study was to know the haemodynamic changes following endotracheal intubation and LMA insertion. In 60 patients were randomly divided into 2 groups of 30 each. All the patients were pre – medicated with tab Famotidine 40 mg orally and tab lorazepam 1 mg night before and 2 hours prior to surgery. Before induction patients’s baseline parameters were recorded. All patients were given inj Fentanyl 2 micrograms/kg i/v, were induced with inj Propofol 1-2.5 mg/kg i/v, Inj Atracurium Besylate 0.5 mg/kg i/v was given to achieve neuromuscular blockade. Subsequently in group A, tracheal intubation was performed, where as in group B patients LMA of was inserted blindly. The parameters were noted at 3 main stages – namely;- immediate pre-operative, immediate before airway instrumentation. At one, two, three and five minutes after airway instrumentation. Immediately after airway instrumentation heart rate rose which came back to normal baseline levels after 3-5 minutes but the rise in heart rate at one minute after endotracheal intubation is significantly higher than LMA insertion. The hemodynamic changes was more in endotracheal intubation than LMA insertion in the immediate post instrumentation period, thereby decreasing the risk of cardiovascular events in critically ill patients.
Authors and Affiliations
Maninder Kaur Grewal, Udayan Bakshi, Dipak Sinha
Keywords
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