Association of serum PCSK9 levels with antibiotic resistance and severity of disease in patients with bacterial infections admitted to intensive care units

Jamialahmadi, Tannaz and Panahi, Yunes and Safarpour, Mohamamd Amin and Ganjali, Shiva and Chahabi, Mahdi and Reiner, Željko and Solgi, Saeed and Vahedian-azimi, Amir and Kianpour, Parisa and Banach, Maciej and Sahebkar, Amirhossein (2019) Association of serum PCSK9 levels with antibiotic resistance and severity of disease in patients with bacterial infections admitted to intensive care units. Journal of Clinical Medicine, 8 (10). ISSN 2077-0383

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Abstract

Background: The results of several studies have suggested that infections and sepsis, either bacterial or viral, might be associated with elevated plasma proprotein convertase subtilisin/kexin type 9 (PCSK9) levels. Since there are no data on PCSK9 levels and antibiotic resistance or the severity of disease in patients with bacterial infections in intensive care units, the aim of this study was to investigate whether any such associations exist. ----- Methods: 100 patients (46 males, mean age 67.12 ± 1.34 years) with bacterial infections who were staying in an intensive care unit (ICU) longer than 48 h but less than 7 days and who were not receiving corticosteroids were analyzed. Their serum levels of albumin, C-reactive protein, glucose, lactate, blood urea nitrogen, prothrombin (international normalized ratio), total cholesterol, triglycerides, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, serum glutamic oxaloacetic transaminase, serum glutamic pyruvic transaminase, PCSK9, and procalcitonin were measured. The severity of the patients' condition was assessed by using the Glasgow Coma Scale (GCS), the Sequential Organ Failure Assessment (SOFA), and the Acute Physiology and Chronic Health Evaluation II (APACHE II) scales. ----- Results: Using a hierarchical regression modeling approach, no significant association was found between PCSK9 levels and either the severity of disease (APACHE II, SOFA, and GCS) indices or resistance to antibiotics. ----- Conclusion: The results suggest that there is no association between PCSK9 levels and resistance to antibiotics or the condition of patients hospitalized in intensive care units.

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