Effects of adding oral clonidine to standard treatments on pain intensity of patients with acute renal colic: A randomized clinical trial

Esmailian, Mehrdad; Golshani, Keihan; Tavakolifard, Negah; Amiri, Alireza

Effects of adding oral clonidine to standard treatments on pain intensity of patients with acute renal colic: A randomized clinical trial

Document Type : Original Article

Authors

¹ Department of Emergency Medicine, School of Medicine, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran

² Department of Community Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Background: The aim of this study was to compare the effect of adding oral clonidine to standard treatments on pain intensity in patients with acute renal colic. Materials and Methods: This is a randomized clinical trial that was performed in 2020 in Isfahan. The study population consisted of 200 patients with renal colic. Pain of the patients was assessed using Visual Analog Scale. Patients were then randomized into 4 groups of 50 patients. Group A received 0.1 mg/kg morphine and clonidine tablets (0.2 mg). Group B received morphine and placebo. Group C received 30 mg ketorolac and clonidine tablets. Group D received 30 mg ketorolac and placebo tablets. Pain of patients was assessed. 0.05 mg/kg morphine was administered and repeated every 40 min if the pain was not reduced. Results: Our data showed that there was a significant difference between pains of patient by the time of admission in groups (P = 0.04). However, no significant differences were observed between pains of patients in different measuring times (P > 0.05). Using general linear model, we showed that the decreases in pain scores of each group were significant (P < 0.05) but there were no significant differences in pains of patients in different measuring times (P > 0.05). Our data showed that Group A and Group C had lowest frequencies of morphine administrations while Groups B and D had the highest frequencies (P < 0.001). Conclusion: We showed that administration of clonidine in patients with renal colic resulted in better pain control and lower morphine injections.

Keywords

References

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