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Immature platelet fraction: Is a novel early predictive marker for disease severity in patients with Covid-19 pneumonia?

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SCHOOL OF MEDICINE
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Tasdemir, Z.A.
Palaoğlu, K.E.

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Immatür platelet fraksiyonu: covid-19 pnömonisi olan hastalarda hastalik şiddeti için yeni bir erken prediktif belirteç olabilir mi?

Abstract

Objectives : In many diseases, immature platelet fraction (IPF%) is related to coagulopathy and poor outcome. This study aimed to investigate the predictive value of IPF% for the severity of pneumonia in patients with Coronavirus Disease 2019 (COVID-19). Methods : A total of 154 patients with COVID‐19 infections were included. The patients were divided into two groups according to the severity of pneumonia (severe and non-severe) regarding their oxygen demand. Results : Given laboratory parameters, the median IPF% was significantly higher in the severe group (11.9 vs. 3.9%, p<0.001). Mean platelet volume (p<0.001), platelet-large cell ratio (p=0.001), platelet distribution width (p=0.001), D-Dimer (p<0.001), INR (p=0.003), and aPTT (p=0.007) were also found to be significantly higher in the severe group. Moreover, IPF (p=0.014, Odds ratio = 2.000, 95%CI: 1.149-3.482) was an independent predictor for the severity. The curve value from receiver operating characteristics was 0.879 (p<0.001, 95%CI: 0.784-0.943) for determining the severity of pneumonia. IPF% had a sensitivity and specificity value of 69.5 and 92.4% to detect the disease’s severity. Conclusions : IPF% is an independent predictor for the severity of COVID-19 pneumonia. Assessment of IPF% may both help to early determine high-risk patients with COVID-19 and to alert the physicians. / Amaç : Pek çok hastalıkta, immatür platelet fraksiyonu (%İPF), koagülopati ve kötü sonuçla ilişkilidir. Bu çalışma, Coronavirus Hastalığı 2019 (COVID-19) olan hastalarda pnömoni şiddeti için %İPF’nin prediktif değerini araştırmayı amaçladı. Yöntem : COVID-19 enfeksiyonu olan toplam 154 hasta dahil edildi. Hastalar, oksijen ihtiyaçları göz önüne alınarak pnömoni şiddetine göre (ağır ve ağır olmayan) iki gruba ayrıldı. Bulgular : Laboratuvar parametrelerine bakıldığında, medyan İPF yüzdesi ağır grupta anlamlı olarak daha yüksekti (%11.9′a karşı %3.9, p<0.001). Ortalama trombosit hacmi (p<0.001), trombosit-büyük hücre oranı (p=0.001), trombosit dağılım genişliği (p=0.001), D-Dimer (p<0.001), İNR (p=0.003) ve aPTT (p=0.007) ağır grupta anlamlı olarak daha yüksek bulundu. Ayrıca, İPF (p=0.014, Odds oranı = 2.000, %95 CI: 1.149-3.482) hastalık şiddeti için bağımsız bir öngördürücü olarak bulundu. Algılayıcı işletim eğrisinden gelen eğri değeri, pnömoni şiddetini belirlemek için 0.879 (p<0.001, %95 CI: 0.784-0.943) idi. İPF, hastalığın şiddetini saptamak için %69.5′lik duyarlılık ve %92.4′lük özgüllük değerine sahipti. Sonuç : İPF, COVID-19 pnömonisinin şiddeti için bağımsız bir öngörücüdür. %İPF’nin değerlendirilmesi, hem COVID-19′lu yüksek riskli hastaları erken belirlemeye hem de hekimleri uyarmaya yardımcı olabilir.

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De Gruyter Open Ltd

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Covid-19 coagulopathy, Thrombocytopenia, Patients

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Turkish Journal of Biochemistry-Turk Biyokimya Dergisi

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10.1515/TJB-2021-0070

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03 - Good Health and Well-being
Over the last 15 years, the number of childhood deaths has been cut in half. This proves that it is possible to win the fight against almost every disease. Still, we are spending an astonishing amount of money and resources on treating illnesses that are surprisingly easy to prevent. The new goal for worldwide Good Health promotes healthy lifestyles, preventive measures and modern, efficient healthcare for everyone.

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