Megha R George1, Moira Carroll2, Reuben J Strayer3. 1. Emergency Department, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America. Electronic address: megha.rajpal@mountsinai.org. 2. Emergency Department, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America. 3. Emergency Department, Maimonides Medical Center, Brooklyn, New York, United States of America.
Abstract
OBJECTIVES: Computed tomography (CT) utilization is widespread in contemporary Emergency Departments (EDs). CT overuse leads to radiation exposure, contrast toxicity, overdiagnosis, and incidental findings. This study explores the prevalence of clinically significant injuries in patients identified as low-risk trauma patients (LRTPs) using newly created criteria that account for the patient's age, trauma mechanism, assessability (which relies on level of consciousness, intoxication, and neurologic deficits), vital signs and other evidence of hypoperfusion, bleeding risk, and past medical history. METHODS: This was a 6-month retrospective chart review of all LRTPs presenting to a level 1 trauma center in Queens, New York. Data abstraction was performed independently by two abstractors and discrepancies adjudicated by the senior author. Patients were identified using the hospital trauma registry and two reports, created by the researchers, identifying selected chief complaints and discharge diagnoses. RESULTS: 750 patients were identified of which 352 (46.93%) received one or more CT scans. There were a total of 790 CT scans ordered, of which 731 (92.53%) were negative for acute injury. There were 13 clinically significant injuries of which only one (0.13%) required immediate intervention. There were no mortalities in this LRTP group. CONCLUSION: The prevalence of clinically significant injuries in this population is very low and injuries requiring immediate intervention are even lower. CT utilization in LRTPs should be guided by an explicit consideration of benefit and harm for each patient.
OBJECTIVES: Computed tomography (CT) utilization is widespread in contemporary Emergency Departments (EDs). CT overuse leads to radiation exposure, contrast toxicity, overdiagnosis, and incidental findings. This study explores the prevalence of clinically significant injuries in patients identified as low-risk traumapatients (LRTPs) using newly created criteria that account for the patient's age, trauma mechanism, assessability (which relies on level of consciousness, intoxication, and neurologic deficits), vital signs and other evidence of hypoperfusion, bleeding risk, and past medical history. METHODS: This was a 6-month retrospective chart review of all LRTPs presenting to a level 1 trauma center in Queens, New York. Data abstraction was performed independently by two abstractors and discrepancies adjudicated by the senior author. Patients were identified using the hospital trauma registry and two reports, created by the researchers, identifying selected chief complaints and discharge diagnoses. RESULTS: 750 patients were identified of which 352 (46.93%) received one or more CT scans. There were a total of 790 CT scans ordered, of which 731 (92.53%) were negative for acute injury. There were 13 clinically significant injuries of which only one (0.13%) required immediate intervention. There were no mortalities in this LRTP group. CONCLUSION: The prevalence of clinically significant injuries in this population is very low and injuries requiring immediate intervention are even lower. CT utilization in LRTPs should be guided by an explicit consideration of benefit and harm for each patient.
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