Attenuation of stress response to laryngoscopy and intubation: Sublingual nitroglycerin spray vs intravenous fentanyl and sublingual nitroglycerin spray

Abstract

Background and aim: Laryngoscopy and endotracheal intubation is associated with cardiovascular changes such as tachycardia and hypertension which may be detrimental to patients with limited cardiovascular reserve. Many pharmacological agents have been used to attenuate the stress responses but none has been found ideal. Our aim of this study is to compare the efficacy of sublingual Nitroglycerine spray alone and sublingual Nitroglycerine spray with intravenous Fentanyl to attenuate the stress response to laryngoscopy and endotracheal intubation. Methods: A total of 90ASA I and II patients of age group 20-60 years scheduled for elective surgery under general anesthesia were randomly divided into 3 groups of 30 in each group. Group 1 received normal saline (control group), Group 2 received NTG sub-lingual spray (0.4mg/spray) two min. before induction, and Group 3 received inj. Fentanyl (2µg/kg) 5min before induction + NTG sub-lingual spray (0.4 mg/spray) 2min before induction. Vital parameters like HR,SBP,DBP and MAP before and after induction and thereafter at specified time interval following laryngoscopy and intubation were recorded and analyzed. Results: Demographic characteristics and baseline parameters in both the groups were comparable. Significant differences in parameters like SBP,DBP, MAP and heart rate were recorded in between the groups after intubation. Conclusions: Combination of intravenous Fentanyl plus Nitroglycerin spray is more potent than NTG spray alone in preventing the stress response following laryngoscopy and endotracheal intubation.

Authors and Affiliations

Dr. Sidharth Sraban Routray

Keywords

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  • EP ID EP505164
  • DOI -
  • Views 126
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How To Cite

Dr. Sidharth Sraban Routray (2018). Attenuation of stress response to laryngoscopy and intubation: Sublingual nitroglycerin spray vs intravenous fentanyl and sublingual nitroglycerin spray. International Journal of Medical Science and Innovative Research (IJMSIR), 3(4), 205-210. https://www.europub.co.uk/articles/-A-505164