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Study aim
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comparing the reduction of back pain, the level of impact on the improvement of quality of life and satisfaction in patients with myofascial pain syndrome who underwent caudal-epidural injection and those with corticosteroid injection in trigger points under ultrasound guidance.
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Design
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sample size:
n= C x [(P 1(1 - P 1) + P 2(1 - P 2)/ (P 2 – P 1 ) 2 ]
n=30
For control group, 30 people are considered in the plan.
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Settings and conduct
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This clinical trial, after obtaining permission from the Ethics Committee of Shahid Beheshti University of Medical Sciences, is conducted on 60 patients with myofascial pain syndrome in chronic back pain between the ages of 20 and 75 in Imam Hossein and Akhtar Hospital..
After informing the patients , written informed consent will be obtained from them. The course of pain of patients in two groups is followed by caudal-epidural injection and trigger point for 6 weeks.
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Participants/Inclusion and exclusion criteria
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Participants: women and men with myofascial pain syndrome in back pain aged 20 to 75 years
People excluded:
Patients with diabetes, heart failure, hypertension, seizure history, sensitivity to local anesthesia, skin diseases, back surgery and drug addiction
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Intervention groups
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In one group, corticosteroid injection and local anesthesia (2 mg of ropivacaine) were performed under ultrasound guidance in the caudal-epidural area.
In control group, with the same dose as the first group under ultrasound guidance in trigger points.
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Main outcome variables
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The main outcome variables are sleep quality, stress and anxiety, and deep muscle pain.