Print ISSN:-2394-4781

Online ISSN:-2394-4994

CODEN : IJCACT

Article History

Received : 18-11-2021

Accepted : 04-12-2021



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Evaluation of single dose ephedrine on the onset time of rocuronium bromide- A prospective randomized double blind study


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Original Article

Author Details : Prem Kumar*, Sathesh Kumar, Robin Manidas, Vishnu Eswar VV

Volume : 9, Issue : 1, Year : 2022

Article Page : 17-20

https://doi.org/10.18231/j.ijca.2022.005



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Abstract

Background: Ephedrine, an ?1 and β agonist, that increases blood flow to muscles and thus increases the cardiac output. This concept is used in this study as speed by which the drug reaches the neuromuscular junction partly determines the onset of action of muscle relaxants. Our hypothesis was that ephedrine could hasten the onset of action of rocuronium bromide. The onset time of rocuronium was shorter after administration of ephedrine and there was no difference in the laryngoscopic viewsand hemodynamics between the two groups.
Aim: Evaluation of the effects of a single dose of ephedrine on the onset time of rocuronium bromide and hemodynamic parameters during induction sequence and on the laryngoscopic views.
Settings and Design: Prospective randomized double blinded study.
Materials and Methods: 50 patients of the age 18 years or above belonging to ASA I or II posted for elective ENT surgeries under general anaesthesia were randomly allocated into two groups, namely Group E (ephedrine) and Group S(saline) by computer generated random allocation.
Statistical Analysis: Onset time of rocuronium, POGO score and hemodynamics were analyzed using student’s t-test and the results are shown as mean and standard deviation.
Results: The onset time of neuromuscular blockade for tracheal intubation was significantly shorter in ephedrine group. Hemodynamic parameters were comparable in both groups, so were the laryngoscopic views.
Conclusion: Pre induction ephedrine administration dose of 70 mcg/kg hastens the onset of action of rocuronium bromide with minimal hemodynamic changes.
 

Keywords: Airway, Ephedrine, Neuromuscular junction, Rocuronium, Single twitch stimulation, TOF, Train of four.



How to cite : Kumar P, Kumar S, Manidas R, Vishnu Eswar Vv, Evaluation of single dose ephedrine on the onset time of rocuronium bromide- A prospective randomized double blind study. Indian J Clin Anaesth 2022;9(1):17-20


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