Analgesic Efficacy of Transcutaneous Electrical Nerve Stimulation and Dexketoprofen in Renal Colic

Overview

The aim of this study was to compare the analgesic efficacy of transcutaneous electrical nerve stimulation (TENS) and dexketoprofen trometamol in patients presenting to the emergency department due to renal colic.

Renal colic is a common presenting complaint to the emergency department and is an intensely painful condition. Parenteral opioids, non-steroidal anti-inflammatory drugs (NSAIDs) and paracetamol are commonly used to relieve the pain of renal colic. Dexketoprofen trometamol is a non-steroidal anti-inflammatory drug that is frequently used in the management of acute pain. Common and known side effects of nonsteroidal anti-inflammatory drugs include gastrointestinal system problems and allergic reactions. Transcutaneous electrical nerve stimulation is a non-invasive, non-pharmacological and low-risk treatment method. This study aimed to compare the analgesic efficacy of Transcutaneous electrical nerve stimulation and dexketoprofen trometamol in patients presenting to the emergency department with renal colic. Study Design and Setting: A prospective, randomized, double-blind, single-center, clinical trial will be conducted in emergency department of a tertiary care university hospital. Statistical Analysis: Categorical variables will be presented as numbers and percentages. The Kolmogorov-Smirnov test will be used to evaluate the normality of the distribution of continuous variables. Continuous variables with a non-normal distribution will be expressed as the median and interquartile range (IQR), and those with a normal distribution will be expressed as the mean and standard deviation (SD). The Mann-Whitney U test will be used to analyse non-normally distributed variables to evaluate the differences in visual analog scale scores between the two groups; the Student's t-test will be used for normally distributed variables. The sample size was calculated using the G\*Power 3.1.9.2 programme. According to the data obtained from the study of renal colic therapy with TENS, a difference of 18.4 mm in visual analogue scale score between the two groups with a standard deviation of 6 mm was assumed. It was calculated that 64 patients were required for each group with a two-sided critical value of α = 0.05, 95% power and an effect size of 0.5.

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