• Ozgur Tatli, Nur Banu Keha Kurt, Yunus Karaca, Aynur Sahin, Ali Aygün, Elif Sahin, Burak Katipoglu, Umut Eryigit, and Suha Turkmen.
• Karadeniz Technical University, Faculty of Medicine, Department of Emergency Medicine, Trabzon, Turkey. Electronic address: dr.ozgurtatli@gmail.com.
• Am J Emerg Med. 2017 Mar 1; 35 (3): 425-428.

PurposeTo investigate the difference in pentraxin 3 (PTX 3) levels between patients with pulmonary contusion and healthy volunteers.Materials And MethodsThis study was conducted with a group of 20 trauma patients diagnosed with pulmonary contusion and 30 healthy individuals enrolled as a control group in a tertiary university hospital.ResultsMedian PTX 3 levels were 7.05 (3.29-13.1), ng/ml in the contusion group and 1.03 (0.7-1.58) ng/ml in the control group. PTX 3 titers were significantly higher in patients with pulmonary contusion compared to those of the control group (p<0.001). An area under the curve (AUC) value of 0.968 investigated using ROC analysis to determine the diagnostic value of the PTX-3 in pulmonary contusion patients was measured. A PTX-3 cut-off value of 2.06 produced 95.5% sensitivity and 86.7% specificity.ConclusionPTX 3 levels in pulmonary contusion increased significantly compared to the healthy control group. If supported by wider series, PTX 3 may be expected to be capable of use as a marker in pulmonary contusion.Copyright © 2016 Elsevier Inc. All rights reserved.

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