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Comparison between effects of intravenous lidocaine and sublingual nifedipine on preventing blood pressure increase in laryngoscopy

Authors Gholamreza Mohseni, Azam Kolyaei, Morteza Farshchian, et al

Published 17 June 2010 Volume 2010:2 Pages 89—92

DOI https://doi.org/10.2147/OAJCT.S8734

Review by Single-blind

Peer reviewer comments 4

Gholamreza Mohseni1, Azam Kolyaei2, Morteza Farshchian3, Mansour Rezaei4, Negin Ghadami5

1Anesthesiologist, assistant professor, 2Anesthetist, 3Orthopedist, assistant professor, 4Biostatistician, assistant professor, 5General practitioner, Kermanshah University of Medical Sciences, Kermanshah, Iran

Introduction: Arrhythmia during surgery most frequently occurs during laryngoscopy and intratracheal intubation. Many surgical procedures require intratracheal intubation, which results in hemodynamic changes. These changes in ill patients and patients with limited coronary flow reserve are associated with serious events.

Materials and methods: A randomized clinical trial was performed on 124 healthy patients who were elective surgery candidates at Taleghani hospital in Kermanshah. Patients were allocated randomly to each equal group of 62 patients with 95% significance and 90% power of test-retest for sample size. The patients had no history of disease or use of special medications. Drugs commonly used for laryngoscopy and intubation to prevent hemodynamic complications, intravenous lidocaine and sublingual nifedipine, were compared with independent and paired t-tests.

Results: This comparison suggested that while the mean age, weight, and sex distribution in our two groups were the same, mean changes in systolic and diastolic blood pressure and heart rate increases in the lidocaine group were 12.6%, 7.5%, and 16.5%, and in the nifedipine group, 17.7%, 11.0%, and 23.5% (P value = 0.0052, 0.189, and 0.0001), respectively.

Conclusion: According to the results of our study, intravenous lidocaine is more effective than sublingual nifedipine for preventing hemodynamic changes while performing laryngoscopy or intratracheal intubation.
Keywords: hemodynamic changes, laryngoscopy

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