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Background: COVID-19 is known to be transmitted by direct contact, droplets or feces/orally. There are many factors which determines the clinical progression of the disease. Aminoacid disturbance in viral disease is shown in many studies. İn this study we aimed to evaluate the change of aminoacid metabolism especially the aspartate, glutamine and glycine levels which have been associated with an immune defence effect in viral disease., Methods: Blood samples from 35 volunteer patients with COVID-19, concretized diagnosis was made by oropharyngeal from nazofaringeal swab specimens and reverse transcriptase-polymerase chain reaction, and 35 control group were analyzed. The amino acid levels were measured with liquid chromatography-mass spectrometry technology. Two groups were compared by Kolmogorov-Smirnov analysis, Kruskal-Wallis and the Mann-Whitney U . The square test was used to evaluate the tests obtained by counting, and the error level was taken as 0.05., Results: The average age of the patient and control group were 48.5 ± 14.9 and 48.8 ± 14.6 years respectively. The decrease in aspartate (p = 5.5 × 10 -9 ) and glutamine levels (p = 9.0 × 10 -17 ) were significiantly in COVID group, whereas Glycine (p = 0.243) increase was not significiant., Conclusions: Metabolic pathways, are affected in rapidly dividing cells in viral diseases which are important for immun defence. We determined that aspartate, glutamine and glycine levels in Covid 19 patients were affected by the warburg effect, malate aspartate shuttle, glutaminolysis and pentose phosphate pathway. Enteral or parenteral administration of these plasma amino acid levels will correct the duration and pathophysiology of the patients' stay in hospital and intensive care., Competing Interests: Conflict of interestThe authors declare that there are no potential conflicts of interest regarding the research, authorship and publication of this article., (© The Author(s), under exclusive licence to Association of Clinical Biochemists of India 2022.)

Background: Eosinophils constitute 1%-5% of peripheral blood leukocytes, less in the presence of acute infections (referred to as eosinopenia). Studies indicate that eosinopenia can be used as a prognostic predictor for chronic obstructive pulmonary disease exacerbation, sepsis, or acute myocardial infarction disease. There are only a few studies about predicting mortality in emergency departments and intensive care units (ICUs). Prognostic studies about patients in ICUs are generally carried out using different scoring systems. We aimed to analyze if the eosinophil count can estimate the prognosis among non-traumatic patients who underwent cardiopulmonary resuscitation and were hospitalized in ICU thereafter., Methods: The data were evaluated of 865 non-traumatic adult patients (>18 years of age) who were admitted with cardiopulmonary arrest or developed cardiopulmonary arrest during clinical follow-ups. Admission venous blood sample tests, complete blood count, and biochemical laboratory results were recorded. Arterial blood gas results were also evaluated. The mean results of the recorded laboratory results were compared between the surviving and non-surviving patients groups., Results: There was a significant difference between the two groups in regard to platelet, eosinophil count, pH, PaO 2 , SaO 2 , and HCO 3 - (P<0.001 for all). In the multiple linear regression analysis, eosinophil counts were found to be an independent factor (odds ratio=0.03, 95% confidence interval 0.33-0.56, P<0.001) associated with the mortality after cardiopulmonary resuscitation., Conclusion: Because admission eosinophil counts can be measured easily, they are inexpensive biomarkers that can be used for predicting the prognosis among the patients who have return of spontaneous circulation and are treated in ICUs.

Introduction: The present study was undertaken to investigate the prognostic value of the frontal QRS-T angle associated with adverse cardiac outcomes in patients with carbon monoxide (CO) poisoning in early stages in the emergency department., Materials and Methods: The data of 212 patients with CO poisoning who were admitted to the ED between January 2010 and May 2020 were retrospectively analyzed. The frontal QRS-T angle was obtained from the automatic reports of the EKG device., Results: Compared to patients without myocardial damage, among patients with myocardial damage, statistically high creatinine, creatine kinase MB, cardiac troponin I, and frontal QRS-T angle values were found ( p < 0.001 for all parameters), while the saturation of arterial blood pH and arterial oxygen values were found to be lower ( p = 0.002 and p < 0.001, respectively). The frontal QRS-T angle values were correlated with creatine kinase, creatine kinase-MB, cardiac troponin I, and oxygen saturation (SpO 2 ) in arterial blood (r = 0. 232, p = 0.001; r = 0. 253, p = < 0.001; r = 0. 389, p = < 0.001; r = -0. 198, p = 0.004, respectively). The optimum cut-off value of the frontal QRS-T angle was found to be 44.5 (area under the curve: 0.901, 95% confidence interval: 0.814-0.988, sensitivity: 87%, specificity: 84%)., Conclusions: The frontal QRS-T angle, a simple and inexpensive parameter that can be easily obtained from 12-lead surface electrocardiography, can be used as an early indicator in the detection of myocardial damage in patients with CO poisoning.

Aim: The aim of this study was to investigate the serum TLR9 and NF- κ B levels in patients for the diagnosis and prognostication of AP in the emergency department., Methods: In the current study, we looked at the TLR9 and NF- κ B levels in patients for the diagnosis and prognostication of AP in the emergency department., Results: Of the patients with acute pancreatitis, 22 (49%) were male and 23 (51%) were female. The mean age of the patient group was 62 years, with a range of 25-95 years. The control group consisted of 19 (43.1%) male and 25 (56.9%) female patients. The serum TLR9 and NF- κ B levels in patients for the diagnosis and prognostication of AP in the emergency department. p < 0.001 and 8.04 ± 1.76 vs. 4.76 ± 1.13; p < 0.001 and 8.04 ± 1.76 vs. 4.76 ± 1.13; κ B levels in patients for the diagnosis and prognostication of AP in the emergency department. p < 0.001 and 8.04 ± 1.76 vs. 4.76 ± 1.13; κ B levels in patients for the diagnosis and prognostication of AP in the emergency department. p < 0.001 and 8.04 ± 1.76 vs. 4.76 ± 1.13., Conclusion: We demonstrated that the TLR9 and NF- κ B pathway is activated in acute pancreatitis and increases the inflammatory process. This may help to further understand the pathogenesis of disorder, diagnosis, and clinical severity. We proposed that blockage of these inflammatory pathways may play a role in the prevention of the disease progression and development of inflammatory complications. κ B levels in patients for the diagnosis and prognostication of AP in the emergency department., Competing Interests: The authors have no conflicts of interest to declare., (Copyright © 2020 Erdal Demirtas et al.)