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Study aim
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Determination of the effect of intravenous dexamethasone during anesthesia and analgesia of axillary block in upper limb fracture surgery in patients referred to Shahid Rajaei Hospital in Qazvin
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Design
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Clinical trial with control group, with parallel groups, double-blind, randomized, phase 2 on 88 patients. Balanced Block Randomization was used for randomization.
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Settings and conduct
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Background for determining the effect of intravenous dexamethasone during anesthesia and analgesia of axillary block in orthopedic surgery. Location of Shahid Rajaei Hospital in Qazvin. The researcher, patient, surgeon, nurse, and data analyzer were blinded to the type of group the patient was in. 88 patients who were candidates for upper limb fracture surgery were divided into control and intervention groups.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: patients aged 20-60 years, ASA class I-II, all axillary block candidates due to bone fractures. Exclusion criteria included level of consciousness, drug or alcohol use, history of MAOI, TCA, SSRI, phenothiazines or hypnotics, chronic pain based on history and clinical examination, history of dexamethasone allergy, and Lidocaine, shoulder joint osteoarthritis, a history of uncontrolled diabetes, psychotic illness, and block failure.
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Intervention groups
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The intervention group will receive 8 mg of intravenous dexamethasone and the control group will receive 2 cc of normal saline. Then 0.02 mg / kg midazolam and 2 micrograms / kg fentanyl will be injected intravenously. After performing the control block, the onset of anesthesia will be examined periodically every 2 minutes by sensation and movement of the patient's limb using the sensation of touch and pain, as well as the movement with the movement instruction.
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Main outcome variables
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Post operational pain