• Ibrahim Koc, Ozlem Yildiz, Mesiha Babalik, Rahime Ozgur Isıgıbol, OzmenSevda UnalliSUBursa City Hospital, Medical Biochemistry., Duygu Zeytinoglu, Nazan Nalci Savas, Ilhami Yapici, Halil Celikten, Sedat Demirsoy, and Olgun Deniz.
• Bursa City Hospital, Pulmonary Medicine Clinic.
• Tohoku J. Exp. Med. 2023 May 27; 260 (2): 127133127-133.

AbstractAcute pulmonary embolism (PE) and coronavirus disease -2019 (COVID-19) are life-threatening diseases associated with significant morbidity and mortality. Yet little is known about their co-existence.This study explored clinical and laboratory differences between PE patients who tested positive with real-time reverse-transcription polymerase chain reaction (PCR+) and those who tested negative (PCR-) for SARS-CoV-2. Also, to determine whether ferritin D-dimer ratio (FDR) and platelet D-dimer ratio (PDR) can be used to predict COVID-19 in patients with PE. Files of 556 patients who underwent a computed tomography pulmonary angography (CTPA) examination were retrospectively investigated. Out of them, 197 were tested positive and 188 negative for SARS-CoV-2. One hundred thirteen patients (57.36%) in the PCR+ group and 113 (60.11%) in the PCR- group had a diagnosis of PE. Complaints, respiratory rate, and oxygen saturation level in the blood (SpO2) were recorded at the first admission. Monocyte and eosinophil levels remained low, whereas FDR and PDR were higher in the PCR+ group. No difference was detected in ferritin, D-dimer levels, comorbidities, SpO2, and death rates between the two groups. Cough, fever, joint pain, and higher respiratory rate were more common in the PCR+ group. A decrease in white blood cell, monocyte, and eosinophil levels, whereas an increase in FDR and PDR levels may predict COVID-19 in patients with PE. PE patients complaining of cough, fever, and fatigue should undergo PCR testing as common symptoms. COVID-19 does not seem to increase the risk of mortality in patients with PE.

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