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Comparison of chest CT scan findings between COVID-19 and pulmonary contusion in trauma patients based on RSNA criteria:Established novel criteria for trauma victims

引用

Chinese Journal of Traumatology 2022年第3期25卷 170-176页

作者： Hossein Abdolrahimzadeh Fard Salahaddin Mahmudi-Azer Qusay Abdulzahraa Yaqoob Golnar Sabetian Pooya Iranpour Zahra Shayan shahram Bolandparvaz Hamid Reza Abbasi Shiva Aminnia Maryam Salimi Mohammad Mehdi Mahmoudi shahram paydara Roham Borazjani Ali Taheri Akerdi Masome Zare Leila Shayan Mohammadreza Sasani Trauma Research Center Shahid Rajaee(Emtiaz)Trauma HospitalShiraz University of Medical SciencesShirazIran Department of General Surgery Kufa University of Medical SciencesNajafIraq Department of Intensive Care Medicine Trauma Research CenterShahid Rajaee(Emtiaz)HospitalShiraz University of Medical SciencesShirazIran Department of Radiology Medical Imaging Research Center.School of MedicineShiraz University of Medical SciencesShirazIran Department of Biostatistics Trauma Research CenterSchool of MedicineShiraz University of Medical SciencesShirazIran Student Research Committee Shiraz University of Medical SciencesShirazIran Trauma Intensive Care Unit Trauma Research CenterShahid Rajaee(Emtiaz)Trauma HospitalShiraz University of Medical SciencesShirazIran

Propose:In this study,we re-assessed the criteria defined by the radiological society of North America(RSNA)to determine novel radiological findings helping the physicians differentiating COVID-19 from pulmonary contusion.Methods:All trauma patients with blunt chest wall trauma and subsequent pulmonary contusion,COVID-19-related signs and symptoms before the trauma were enrolled in this retrospective study from February to May 2020.Included patients(Group P)were then classified into two groups based on polymerase chain reaction tests(Group Pa for positive patients and Pb for negative ones).Moreover,44 patients from the prepandemic period(Group PP)were enrolled.They were matched to Group P regarding age,sex,and trauma-related scores.Two radiologists blindly reviewed the CT images of all enrolled patients according to criteria defined by the RSNA criteria.The radiological findings were compared between Group P and Group PP;statistically significant ones were re-evaluated between Group Pa and Group Pb thereafter.Finally,the sensitivity and specificity of each significant findings were calculated.The Chi-square test was used to compare the radiologica丨findings between Group P and Group PP.Results:In the Group PP,73.7%of all ground-glass opacities(GGOs)and 80%of all multiple bilateral GGOs were detected(p<0.001 and p=0.25,respectively).Single bilateral GGOs were only seen among the Group PP.The Chi-square tests showed that the prevalence of diffused GGOs,multiple unilateral GGOs,multiple consolidations,and multiple bilateral consolidations were significantly higher in the Group P(p=0.001,0.01,0.003,and 0.003,respectively).However,GGOs with irregular borders and single consolidations were more significant among the Group PP(p=0.01 and 0.003,respectively).Of note,reticular distortions and subpleural spares were exclusively detected in the Group PP.Conclusion:We concluded that the criteria set by RSNA for the diagnosis of COVID-19 are not appropriate in trauma patients.The clinical signs and symptoms are not always usefu

关键词： Chest wall CT Contusion COVID-19 RSNA criteria Trauma

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