Serum Chemerin and Nesfatin-1 Levels and Peculiarities of Clinical Characteristics in Patients with Hypertension and Obesity
Journal Title: Український журнал медицини, біології та спорту - Year 2017, Vol 6, Issue 4
Abstract
The Framingham study has played a decisive role in creating the concept of risk factors. It studied the features of the clinical course of hypertension associated with comorbid pathology the relationship between obesity, incidence of hypertension and the risk of adverse cardiovascular events for the first time. However, in recent years, there have been published a number of studies where the association of increased cardiovascular risk with obesity has been questioned, known as the "paradox of obesity" or "reverse epidemiology." Considering the high rate of comorbidities in hypertension as well as high prevalence of overweight and obesity as a global problem, the search for new biomarkers that would most accurately assess cardiovascular risk in patients of this cohort remains of high relevance The purpose of the research is to investigate the relationship between serum levels of chemerin and nesfatin- 1 and the peculiarities of the clinical characteristics in observed hypertensive patients, depending on the presence and grade of obesity. Materials and methods. According to the standard protocol, 82 hypertensive patients with an average age of 60 (55; 66) years were examined (including 26 overweight and 39 obese patients). The serum levels of chemerin and nesfatin-1 were determined by ELISA using Human Chemerin and Human Nesfatin-1 ELISA Kits (Kono Biotech Co., Ltd., PRC). Statistical processing was performed using Mann-Whitney's criteria, cluster analysis. Quantitative signs are given as the median (Me), the upper (UQ) and lower (LQ) quartiles. Results and discussion. The most favorable course of hypertension was observed in patients from the closest to control group cluster by the levels of both cytokines and from the cluster with relatively low chemerin and high nesfatin-1 levels. The highest rate of patients (100,0%) with complicated hypertension, 50,0% of whom previously had an adverse cardovascular event, was found in the cluster with high serum chemerin and relatively low nesfatin-1. In clusters with high serum levels of both cytokines or high serum chemerin and low nesfatin- 1, a significantly higher rate of patients with complicated hypertension as well as higher grade of hypertension were found. Patients who were referred to high-chemerin clusters with relatively low of nesfatin-1 or high values of both cytokines had significantly higher heart rate on admission vs patients with cytokine levels close to control and with relatively low serum cemerin / high nesfatin-1 content. We have found no clear differences in the distribution of the clinical stages of CHF as well as NYHA classes depending on the cluster of chemerin and nesfatin-1 serum levels. Conclusions. Clarification of chemerin and nesfatin-1 values as the new markers of metabolic disorders and clinical course in hypertensive patients with obesity is relevant for further research, being potentially helpful for optimizing early diagnostics and prediction of the outcomes in such patients.
Authors and Affiliations
S. Ivanchenko
Keywords
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