Violante Mulas1,2, Leonardo Catalano3,4, Valentina Geatti5, Beatrice Alinari6, Federica Ragusa7, Rita Golfieri3, Paolo Emilio Orlandi4, Michele Imbriani4. 1. Radiology Unit, Department of Experimental, Diagnostic and Speciality Medicine, Sant'Orsola University Hospital, 40138, Bologna, Italy. viola.mulas@gmail.com. 2. Radiology Unit, Maggiore Hospital "Carlo Alberto Pizzardi", 40133, Bologna, Italy. viola.mulas@gmail.com. 3. Radiology Unit, Department of Experimental, Diagnostic and Speciality Medicine, Sant'Orsola University Hospital, 40138, Bologna, Italy. 4. Radiology Unit, Maggiore Hospital "Carlo Alberto Pizzardi", 40133, Bologna, Italy. 5. Radiology Unit, Santa Maria Della Scaletta Hospital, 40026, Imola, Italy. 6. Radiology Unit, "Infermi" Hospital, 48018, Faenza, Italy. 7. Radiology Unit, Sant'Anna University Hospital, 44124, Ferrara, Italy.
Abstract
PURPOSE: Risks and benefits of systematic use of whole-body CT (WBCT) in patients with major trauma when no injury is clinically suspected is still subject of controversy. WBCT allows early identification of potentially evolving lesions, but exposes patients to the risk of high radiation dose and iodine contrast agent. The study aimed to assess if WBCT could be avoided in trauma patients with negative clinical examination. MATERIALS AND METHODS: This retrospective study included polytrauma patients admitted to the Emergency Department in a six-month period, who had undergone a WBCT scan for major dynamic criteria, with hemodynamic stability, absence of clinical and medical risk factors for major trauma. The patients (n = 233) were divided into two groups according to the absence (n = 152) or presence (n = 81) of clinical suspicion of organ injury. The WBCT results were classified as negative, positive for minor and positive for major lesions. RESULTS: The average patient age was 44 years. CT scans were completely negative in 111 (47.6%) patients, whose 104 (93.7%) were in the negative clinic group. 122 (52.4%) CT scans were positive, 69 (56.6%) for minor lesions and 53 (43.4%) for major lesions. Among the 48 (39.3%) positive CT scans in patients with negative clinic, only 5 (10.4%) were positive for major lesions. We found a significant difference in the frequency of injuries between the clinically negative and clinically positive patient groups (p < 0.001). CONCLUSION: A thorough clinical examination associated with a primary radiological evaluation may represent a valid diagnostic approach for trauma with only major dynamic criteria to limit the use of WBCT.
PURPOSE: Risks and benefits of systematic use of whole-body CT (WBCT) in patients with major trauma when no injury is clinically suspected is still subject of controversy. WBCT allows early identification of potentially evolving lesions, but exposes patients to the risk of high radiation dose and iodine contrast agent. The study aimed to assess if WBCT could be avoided in trauma patients with negative clinical examination. MATERIALS AND METHODS: This retrospective study included polytrauma patients admitted to the Emergency Department in a six-month period, who had undergone a WBCT scan for major dynamic criteria, with hemodynamic stability, absence of clinical and medical risk factors for major trauma. The patients (n = 233) were divided into two groups according to the absence (n = 152) or presence (n = 81) of clinical suspicion of organ injury. The WBCT results were classified as negative, positive for minor and positive for major lesions. RESULTS: The average patient age was 44 years. CT scans were completely negative in 111 (47.6%) patients, whose 104 (93.7%) were in the negative clinic group. 122 (52.4%) CT scans were positive, 69 (56.6%) for minor lesions and 53 (43.4%) for major lesions. Among the 48 (39.3%) positive CT scans in patients with negative clinic, only 5 (10.4%) were positive for major lesions. We found a significant difference in the frequency of injuries between the clinically negative and clinically positive patient groups (p < 0.001). CONCLUSION: A thorough clinical examination associated with a primary radiological evaluation may represent a valid diagnostic approach for trauma with only major dynamic criteria to limit the use of WBCT.
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