4.3 Article

The relationship between the systemic immune-inflammation index and reverse-dipper circadian pattern in newly diagnosed hypertensive patients

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JOURNAL OF CLINICAL HYPERTENSION
卷 -, 期 -, 页码 -

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WILEY
DOI: 10.1111/jch.14688

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ambulatory blood pressure monitoring; circadian blood pressure; hypertension; reverse-dipper; Systemic immune-inflammation index

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Hypertension is considered high intravascular pressure, but impaired circadian blood pressure has been shown to contribute to poor clinical outcomes. The systemic immune-inflammation index (SII) based on platelet, neutrophil, and lymphocyte counts is a strong prognostic marker in cardiovascular disease. This study aimed to investigate the relationship between circadian blood pressure changes and SII in newly diagnosed hypertensive patients.
Although hypertension is considered high intravascular pressure, impairing circadian blood pressure (BP) has been shown to potentially contribute to poor clinical outcomes. Systemic immune-inflammation index (SII), based on platelet, neutrophil, and lymphocyte counts, has been established as a strong prognostic marker in cardiovascular disease. The role of inflammation in the pathogenesis of hypertension is a well-known issue and inflammatory markers are associated with BP variability. We aimed to investigate whether there is a relationship between circadian BP changes and SII in newly diagnosed hypertensive patients. The study population consisted of 196 newly diagnosed hypertensive patients without LVH. In total, 76 (38%) patients had a dipper BP pattern, 60 (31%) patients had a non-dipper BP pattern, and 60 (31%) patients had a reverse-dipper BP pattern. SII was calculated according to Multivariate logistic regression analysis revealed SII and HDL-C as an independent predictors of reverse-dipper circadian pattern in newly diagnosed hypertensive patients. The cut-off value of the SII for reverse-dipper hypertension in a ROC curve analysis was >639.73 with 63.3% sensitivity and 84.2% specificity. Our study showed that the SII level was higher in the reverse-dipper hypertension patient group than in the dipper and non-dipper hypertension groups. Furthermore, SII was an independent predictor of newly diagnosed reverse-dipper hypertensive patients. The high SII value in newly diagnosed hypertensive patients can be used as an early warning parameter to identify reverse-dipper hypertension patients.

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