The following inclusion criteria were considered: (a) presence of forearm fracture, (b) performance of open reduction surgery at Rajaei Hospital, (c) absence of underlying diseases such as coagulopathy, peripheral vascular diseases, and neuropathy, (d) patient's full agreement on performing
axillary anesthesia, (e) lack of any history of allergy to local anesthetics, (f) lack of treatment with palliative drugs and those affecting the CNS, (g) being a nonaddict, and (h) suitability of patients to be placed (classified) in ASA I and II classes.