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Utility of inflammatory biomarkers in patients with COVID-19 infections: Bahrain experience.
Farid, Eman; Sridharan, Kannan; Alsegai, Ola Am; Khawaja, Safa Al; Mansoor, Eman J; Teraifi, Noor A; Qahtani, Manaf Al; Salman, Jameela Al.
  • Farid E; Department of Pathology, Salmaniya Medical Complex, Ministry of Health, Manama, PO Box 12, Kingdom of Bahrain.
  • Sridharan K; Department of Microbiology/Immunology, Arabian Gulf University, Manama, PO Box 26671, Kingdom of Bahrain.
  • Alsegai OA; Department of Pharmacology & Therapeutics, Arabian Gulf University, Manama, PO Box 26671, Kingdom of Bahrain.
  • Khawaja SA; Department of Pathology, Salmaniya Medical Complex, Ministry of Health, Manama, PO Box 12, Kingdom of Bahrain.
  • Mansoor EJ; Department of Internal Medicine/Infectious Diseases, Salmaniya Medical Complex, Ministry of Health, Manama, PO Box 12, Kingdom of Bahrain.
  • Teraifi NA; Department of Pathology, Salmaniya Medical Complex, Ministry of Health, Manama, PO Box 12, Kingdom of Bahrain.
  • Qahtani MA; Department of Pathology, Salmaniya Medical Complex, Ministry of Health, Manama, PO Box 12, Kingdom of Bahrain.
  • Salman JA; Royal College of Surgeons in Ireland/Medical University of Bahrain, Manama, PO Box 15503, Kingdom of Bahrain.
Biomark Med ; 15(8): 541-549, 2021 06.
Article in English | MEDLINE | ID: covidwho-1229135
ABSTRACT

Aim:

COVID-19 pandemic continues and dearth of information remains considering the utility of various inflammatory biomarkers. We carried out the present study to delineate the roles of these biomarkers in various strata of patients with coronavirus infection. Materials &

methods:

A retrospective study was carried out after obtaining approval from the relevant Ethics Committee. Patients established with COVID-19 infection as shown by positive real-time quantitative PCR test were included. Details on their demographics, diagnosis, whether they received tocilizumab, and the values of the following biomarkers were obtained IL-6, C-reactive protein (CRP), serum ferritin, D-dimer, procalcitonin, fibrinogen, lactate dehydrogenase and creatinine kinase. Receiver operating characteristic curves were plotted and correlation of biomarkers with IL-6 were estimated.

Results:

One-hundred and three patients were recruited. We observed that serum ferritin followed by D-dimer had better predictive accuracy in identifying patients with pneumonia compared with asymptomatic; and CRP in addition to the earlier markers had better accuracy for predicting severe illness compared with mild-moderate. Serum IL-6 levels were significantly higher in patients with severe illness admitted in intensive care unit. Significantly, higher levels of IL-6 and serum ferritin were observed in patients receiving tocilizumab. A trend of increased IL-6 levels was observed immediately following the initiation of tocilizumab therapy followed by a drop thereafter.

Conclusion:

We observed serum ferritin, D-dimer and CRP to accurately predict patients developing severe COVID-19 infections as well as those at risk of developing COVID pneumonia. A trend in IL-6 levels was observed in patients on tocilizumab therapy.
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Keywords

Full text: Available Collection: International databases Database: MEDLINE Main subject: C-Reactive Protein / Fibrin Fibrinogen Degradation Products / Biomarkers / Procalcitonin / COVID-19 Testing / SARS-CoV-2 / COVID-19 Type of study: Diagnostic study / Observational study / Prognostic study Limits: Female / Humans / Male / Middle aged Country/Region as subject: Asia Language: English Journal: Biomark Med Journal subject: Biochemistry / Medicine Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: C-Reactive Protein / Fibrin Fibrinogen Degradation Products / Biomarkers / Procalcitonin / COVID-19 Testing / SARS-CoV-2 / COVID-19 Type of study: Diagnostic study / Observational study / Prognostic study Limits: Female / Humans / Male / Middle aged Country/Region as subject: Asia Language: English Journal: Biomark Med Journal subject: Biochemistry / Medicine Year: 2021 Document Type: Article