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The first purpose of this study is to compare the effectiveness of the stellate ganglion block realized with two different approaches (blind and ultrasound-guided) in patients with a diagnosis of complex regional pain syndrome.
The second purpose of this study is to determine the safest approach and to compare the safety profiles of the two approaches.
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To evaluate whether the ultrasound guided approach is more effective than the blind technique in producing a greater than 1.5 degree Celsius rise in ipsilateral arm temperature after a stellate ganglion block.
Blocks will both be performed with 10 mL of xylocaine/bupivacaine. Secondary outcomes will be the impact of the approach (blind vs ultrasound) on pain reduction, horner syndrome, side effects (hoarseness, dysphagia, pharyngeal discomfort) and complications (blood aspiration, intravascular injection).
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3 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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