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    Is there a relationship between NR-2 antibody peptide level and diagnosis, prognosis and coma scores in acute ischemic stroke?
    (2022) Tuncar, Alpay; Cander, Başar; Küçükceran, Kadir; Yerlikaya, Fatma Hümeyra
    Aim: This study aimed to demonstrate the diagnostic and prognostic value of NR-2 peptides as a biomarker in acute ischemic stroke and to evaluate their correlation with the Glasgow Coma Scale (GCS) and the National Institutes of Health Stroke Scale (NIHSS). Materials and Methods: The importance of NR-2 peptide level in diagnosis and prognosis in acute stroke was investigated cross-sectional and prospectively. The study included 101 patients, who presented to a tertiary healthcare facility and were diagnosed with acute stroke, and 57 healthy controls. In the whole study population, serum NR-2 peptide levels were measured using the ELISA method. Results: The NR-2 peptide level was 6.32 ± 8.30 in the patient group and 3.91 ± 1.64 in the study group. The NR-2 peptide level was significantly higher in the patient group (p = 0.006). No correlation was detected between NR-2 peptide levels and scores in the GCS or NIHSS. The results indicated that NR-2 was a potential biomarker elevated in the early phase of acute stroke, but had no correlation with the prognosis of acute stroke. Conclusion: Although our data shed light on the use of the NR-2 peptide level as a biomarker in the acute phase in patients with stroke, data are insufficient to predict prognosis. We think that larger, multicenter studies with longer follow-up periods are needed.
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    Öğe
    Risk factors associated with mortality in patients with methanol poisoning: a retrospective study
    (Alanya Alaaddin Keykubat Üniversitesi, 2022) Aydın, Hakan; Doğanay, Fatih; Erdoğan, Mehmet; Doğan, Halil; Beştemir, Attila; Tuncar, Alpay
    Aim: Methanol poisoning (MP) is an significant medical problem worldwide, and despite advances in diagnosis and treatment, the mortality rate in these cases remains high. This study aimed to evaluate the clinical and laboratory factors to determine in-hospital mortality in patients with MP.Methods: This single-center, retrospective, observational study was conducted with 65 adult MP cases visiting the emergency department (ED) of a tertiary training and research hospital, between January 01, 2017 and February 01, 2022. Data was statistically compared between survivors and non-survivors.Results: The in-hospital mortality rate was 41.5%. The rate of cases with respiratory distress, low Glasgow coma scale (GCS) (?8), and delayed arrival to the hospital (>24 hours) was higher in the group of non-survivors compared to the group of survivors. Non-survivors had a higher anion gap (30.5 mEq/L vs. 25.5mEq/L), base excess (-25.0 mmol/L vs. -18.6 mmol/L), lactate (10.2 mmol/L vs. 2.2 mmol/L) levels, and lower pH (6.76 vs. 7.14) and bicarbonate (6.3 mmol/L vs. 10.3 mmol/L) levels than survivors (p<0.001). In ROC analysis, pH (AUC= 0.916) and base excess (AUC=0.915) were blood gas parameters with the highest AUC values in predicting mortality in MP cases. Folate use in the treatment had a statistically significant effect on mortality (P=0.015).Conclusion: In MP cases, delay in a hospital visit, severe metabolic acidosis, high lactate levels, low GCS on arrival to the ED and no folate therapy, were associated with increased in-hospital mortality rates. Our data will contribute to the clinical management of MP patients and the development of treatment protocols.