• Mohammad Amin Ashoobi, Enayatollah Homaie Rad, and Rayehe Rahimi.
• Guilan Road Trauma Research Center, Trauma Institute, Guilan University of Medical Sciences, Rasht, Iran.
• Eur J Trauma Emerg Surg. 2024 Jan 23.

BackgroundThis systematic review investigates the diagnostic value of ultrasound in the evaluation of torso injuries following a penetrating trauma.MethodsWe searched PubMed, Scopus, and WOS databases for related original articles until May 7, 2023, and extracted data related to diagnostic performance. The bivariate model and hierarchic summary receiver operating characteristic (HSROC) approach were used to calculate pooled diagnostic values. Cochrane Q test and I-squared were performed to evaluate heterogeneity. We assessed heterogeneity with meta-regression.ResultsSeventeen studies were included, which involved a total number of 1866 patients. According to meta-analysis, sonography demonstrated a pooled sensitivity of 56% (45-67%) and specificity of 96% (94-97%), positive likelihood ratio (LR +) of 13.66 (8.03-23.23), and negative likelihood ratio (LR-) of 0.45 (0.35-0.59) for detecting abdominal injuries. In pericardial penetrating trauma, pooled sensitivity was 100% (45-100%), pooled specificity was 99% (96-100%), LR + was 136.7 (24.8-752.3), and LR- was 0.00 (0.00-1.22). For thoracic penetrating trauma, pooled sensitivity was 99% (93-100%) and specificity was 100% (98-100%).ConclusionsSonography demonstrated promising diagnostic value in the initial assessment of torso penetrating trauma, particularly in the thoracic and pericardial regions. However, the sensitivity of sonography is limited in abdominal penetrating trauma and a combination with other imaging modalities should be considered in these cases.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany.

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