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Study aim
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The comparison of the effect of intravenous regional anesthesia (IVRA) with single-cuff forearm and upper arm tourniquets on the pain of patients undergoing elective hand surgery
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Design
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A randomized clinical trial with parallel groups. 60 patients have randomly divided into intervention groups A and B with a table of random numbers and Randomizer software.
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Settings and conduct
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The population of this study was aged 20-60 years old who referred to Ayatollah Rouhani Hospital in Babol. Patients are randomly divided into two Intervention groups with a Table of random numbers by computer. Intervention group A: use of a single tourniquet in the forearm (distal) + lidocaine intravenous injection of 100 mg
Intervention group B: use of a single tourniquet in the upper arm (proximal) + lidocaine intravenous injection of 200 mg.
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Participants/Inclusion and exclusion criteria
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Inclusion Criteria: 20--60 years old, Patients undergoing hand surgeries ASA ClassI, II
Exclusion Criteria: Psychologic, patients Addiction, History of allergy to local anesthetics, Epilepsy History of peripheral vascular disease, Coagulopathy, Pregnancy, Open wound in operation
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Intervention groups
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Intervention group A: use of a single tourniquet in the forearm (distal) + lidocaine intravenous injection of 100 mg
Intervention group B: use of a single tourniquet in the upper arm (proximal) + lidocaine intravenous injection of 200 mg.
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Main outcome variables
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Anesthesia quality, the onset of local anesthetic effect, change in anesthetic method, duration of analgesia, pain intensity of the area, the duration of pain in the area of operation, pain intensity of the tourniquet (arm/forearm)