Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 50 1 2012 01 15 66 69 EN Ahmadreza Afshar Department of Orthopedic, Urmia University of Medical Sciences, Urmia, Iran. Mina Asadzadeh General Practitioner, Urmia University of Medical Sciences, Urmia, Iran. Hakimeh Kargar Registered Nurse, Department of Orthopedic, Urmia University of Medical Sciences, Urmia, Iran Mir Mosa Aghdashi Department of Anesthesiology, Urmia University of Medical Sciences, Urmia, Iran. Fardin Mirzatolooei Department of Orthopedic, Urmia University of Medical Sciences, Urmia, Iran. 2015 09 28 During a cross-sectional study, patients who were admitted to the orthopedic department of the Urmia University of Medical Sciences were asked about opium/opioid abuse. Demographic characteristics, the pattern of consumption, the substance, the duration of the use, the duration of hospital stay and the cause of their injuries were recorded. Among 2,867 patients, 74 (2.5%) patients (71 men and 3 women) with the mean age of 38 were opium/opioid users. Most of the patients used opium through inhalation. The mean duration of the substance use was 7.4 years. The mean duration of hospital stay between the regular orthopedic patients and the opium/opioid abuser orthopedic patients was statistically significant. (P=000). Among four Hepatitis C Virus (HCV) infected patients, three subjects were injection users and Human Immunodeficiency Virus (HIV) also infected two of them. Road traffic accidents (37.8%), and work related injuries (17.5%) were the two most common reasons for the patient's injuries. https://acta.tums.ac.ir/index.php/acta/article/view/3861 https://acta.tums.ac.ir/index.php/acta/article/download/3861/3836