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Background: Hemoglobin, albumin, lymphocyte, and platelet (HALP) scores are easily calculable markers that allow the evaluation of systemic inflammation and nutritional status. This study aimed to evaluate and compare the predictive power of HALP scores for 3-month and 1-year mortality in patients admitted to the emergency department with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Methods: Hospital records of patients aged > 18 years who had been diagnosed with AECOPD in the emergency department (ED) and hospitalized were retrospectively reviewed. The neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and HALP scores of the patients were analyzed. Three month and 1-year mortality rates of the patients were evaluated. Results: Mean age of the 957 patients were 70.6 ± 10.2 and 66.9% (n = 660) were male. The 3-month and 1-year mortality rates were 21.2% and 30.0%, respectively. For 3-month and 1-year mortality, the NLR and PLR were significantly higher and the HALP score was significantly lower in the mortality groups, and the HALP score was found to be a good predictor of 3-month and 1-year mortality. Conclusion: HALP score is a potential prognostic index for patients with AECOPD. Increased NLR and PLR were associated with increased mortality in patients with AECOPD. The HALP score, NLR, and PLR can be used as important predictors of mortality in patients with AECOPD. [ABSTRACT FROM AUTHOR]

Objectives: Dyspnea, a frequently encountered life-threatening symptom in Emergency Department admissions, prompts the utilization of various diagnostic tests such as blood gas analysis, complete blood count, and electrocardiography (ECG) to ascertain its cause and severity. This study aims to assess the association between blood gas parameters, complete blood count results, and electrocardiographic parameters. Additionally, the investigation focuses on identifying malignant arrhythmias and abnormalities in repolarization parameters (PR interval, QRS interval, QTc interval, Tp-e interval, and Tp-e/QTc ratio) in patients admitted to the Emergency Department with dyspnea. Materials and Methods: The study includes individuals aged 18 and above who were admitted to the emergency department due to dyspnea. Upon admission, the patient's electrocardiographic parameters, blood gas results, complete blood count values, and other relevant laboratory findings were documented. Results: Among the 385 patients studied, with a mean age of 64.6±17.7 years, 52.7% (n=199) were male. Analysis of the ECG results revealed a statistically significant prolongation of the QRS interval in acidotic and hypercapnic patients with dyspnea (p=0.041 and p=0.015, respectively). Similarly, the QTc interval was found to be significantly longer in acidotic and hypoxic patients presenting with dyspnea (p=0.011 and p=0.026, respectively). Conclusion: Acidotic, hypoxic, and hypercapnic patients with dyspnea exhibited significantly prolonged QRS and QTc intervals. These findings suggest an elevated probability of ventricular arrhythmias in these patients. [ABSTRACT FROM AUTHOR]