Comparison of Efficacy of Nebulized Ketamine with Morphine and Intravenous Morphine in Pain Reduction in Patients with Traumatic Long‑Bone Fractures Admitted to Emergency Department

Document Type: Original Article

Authors

1 Department of Emergency Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

2 Department of Emergency Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

3 Department of Emergency Medicine, Emergency Medicine Research Center, Al‑Zahra Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Background: Traumatic long‑bone fracture is a common cause of referring to the emergency department (ED). The aim of this study was to compare
the efficacy of nebulized ketamine and morphine and intravenous (IV) morphine in reducing pain in these patients. Materials and Methods: In
this clinical trial study, 88 patients with traumatic long‑bone fractures referred to the ED were randomly selected and divided into two groups
of nebulized ketamine and morphine and IV morphine using block randomization. Changes in pain intensity according to visual analog
scale (VAS), patient satisfaction, and clinical features, including oxygen saturation (O2 sat), systolic blood pressure (SBP), respiratory rate,
and pulse rate (PR) were assessed at baseline and 15 and 30 min after the intervention and finally, data were analyzed using the SPSS software.
Results: Demographic characteristics including sex, age, and site of fracture were similar in the two groups (P > 0.05). In the IV morphine
group, O2 sat (P < 0.001), SBP (P = 0.005), and PR (P < 0.001) significantly decreased, but in the nebulized group, SBP (P < 0.001) and
PR (P < 0.001) significantly increased, but O2 sat did not significantly decrease (P > 0.05). The VAS results in the IV group were better at
15 min (P < 0.001), but after 30 min, both methods were equally effective in pain reduction (P = 0.508). Conclusion: According to the results
of this study, the pain reduction was similar in both groups after 30 min, but regarding other parameters such as patients’ satisfaction and fewer
side effects, it can be concluded that the long‑term effect of nebulized morphine and ketamine would be more beneficial.

Keywords


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