Tabriz University of Medical Sciences Medical Journal of Tabriz University of Medical Sciences 2783-2031 35 1 2013 04 04 Low Risk Criteria for Abdominal Visceral Injuries During Blunt Abdominal Trauma 40 45 EN Majid Shojaee Gholamreza Faridaalaee Hamid kariman Ali Arhamidilatabadi Anita Sabzghabaei Saeed Safari Afshin Amini Journal Article 2012 07 18 2012 09 24 Background and Objectives: The purpose of this study was to determine the criteria which define the low risk patients after blunt abdominal trauma. It may hasten the patients handing and avoid unnecessary imaging and diagnostic. Considerations in low risk conditions. Materials and Methods: All adult patients referred to Imam Hussein hospital emergency department with blunt abdominal trauma and had signs and symptoms of intra-abdominal injury were enrolled to the study and followed for one-month. Collected data analyzed with Chi-square test. Sensitivity, specificity, positive and negative predictive value of each factor was calculated. Results: From total number of 205 enrolled patients (80% were male and 20% were female). The prevalence of three clinical factors (including’s hematuria, shock index above o.8) and more clinical signs and symptoms at presentation were higher in patient with Intra-abdominal visceral injury than discharged patients (P<0/0001). Sensitivity, specificity, positive predictive value and negative predictive value of serious clinical presentation, hematuria, and shock index above o.8 in the diagnosis of abdominal visceral injury were 100%, 45%, 100% and 17% respectively. Conclusion: This study showed that patients with low-risk criteria in blunt abdominal injury can be discharged without an abdominopelvic CT scan.