A Comparative Study between Sevoflurane and Propofol for Ease of Laryngeal Mask Airway Insertion

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A Comparative Study between Sevoflurane and Propofol for Ease of Laryngeal Mask Airway Insertion

Journal Title: Scholars Journal of Applied Medical Sciences - Year 2018, Vol 6, Issue 6

Abstract

Abstract: Laryngeal Mask Airway [LMA] is an alternative technique to endotracheal tube for securing airway in short surgical procedures. The most common agent used is Propofol however it has certain adverse effects like hypotension, apnea, and pain on injection. Sevoflurane is a new volatile anesthetic agent it provides rapid induction and recovery we in the present study tried to compare the hemodynamic responses during laryngeal mask airway insertion using sevoflurane and N2O and propofol and N2O. This study was performed in the Department of Anesthesia, Prathima Institute of Medical Sciences, Naganoor, Karimnagar. The patients were selected from those undergoing elective surgeries in Orthopedic, General surgical or gynecological procedures where there were indications of use of LMA. All the patients were from ASA I/II category status, the patients age ranges were from 20 – 50 years. Patients were then randomly divided into two groups for induction of anesthesia. The Propofol group (n=25) received induction with 2.5mg/Kg propofol IV for 30 seconds. Lignocaine 1% 2ml was mixed with each 20ml syringe of propofol. The sevoflurane (n=25) received inhalational induction with sevoflurane 8% in N2O 50% and O2. The mean time for loss of consciousness in Propofol group was 45 seconds and the mean time of consciousness loss in the sevoflurane group was 27 seconds. The time range of LMA insertion in Propofol group was 1-3 minutes and the mean time was 1.5 min the meantime to LMA insertion in Sevoflurane group was 2.0 ranges 1-3 minutes, the p values were found to be significant. The mean number of attempts taken in propofol group was 1.2 and similarly in the sevoflurane group it was 1.6 the p values were not significant. The incidence of adverse events occurring during insertion of LMA is shown in table III in all the patients muscle relaxants were not required for insertion. The occurrence of head movement was in 12% of the patients of propofol group and 16% of the patient with sevoflurane group and laryngospasm was in 8% of the propofol group and 8% in the sevoflurane group. Inadequate jaw relaxation was seen in 4% of the propofol group and 8% of the sevoflurane group value were found to be not significant. The overall results of LMA insertion were comparable in both the groups. The incidences of adverse events in both the groups were found to be same. However the sevoflurane requires more time than propofol for LMA insertion

Authors and Affiliations

Dr. Rama Krishna

Keywords

Keywords: Sevoflurane Propofol Laryngeal Mask Airway [LMA].

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