4.5 Review

Endocan as a marker of endothelial dysfunction in hypertension: a systematic review and meta-analysis

Journal

HYPERTENSION RESEARCH
Volume -, Issue -, Pages -

Publisher

SPRINGERNATURE
DOI: 10.1038/s41440-023-01402-y

Keywords

Endocan; Endothelial cell-specific molecule 1; Hypertension; Systematic review; Meta-analysis

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Hypertension is a major risk factor for cardiovascular disease and a leading cause of death worldwide. Endothelial dysfunction (ED) is an important manifestation preceding the development of hypertension. Endocan, secreted from endothelial cells, is a novel biomarker for endothelial dysfunction and inflammation. This systematic review and meta-analysis aimed to explore the association between endocan levels and ED in hypertensive patients.
Hypertension is one of the foremost risk factors for cardiovascular disease and a significant cause of death worldwide. Importantly, endothelial dysfunction (ED) is one of the primary manifestations that may precede the development of hypertension. Endocan is a novel endothelial dysfunction and inflammation biomarker secreted from endothelial cells. Whether endocan may serve as a biomarker of hypertension is currently debated. This systematic review and meta-analysis aimed at linking endocan to ED in hypertensive patients. International databases, including PubMed, Scopus, Embase, and Web of Science, were systematically searched for studies investigating Endocan serum or plasma levels in hypertensive patients and healthy controls. Random effect meta-analysis was performed to calculate the standardized mean difference (SMD) and 95% confidence interval (CI). A total of 20 studies assessing the association between endocan levels and hypertension were included in which 3130 individuals with a mean age of 50.48 +/- 8.45 years were assessed. Hypertensive patients presented with higher circulating endocan levels (SMD 0.91, 95% CI 0.44-1.38, p-value < 0.01) compared with healthy controls. Interestingly, our data demonstrated that removing three studies assessing endocan levels in hypertensive patients with different comorbidities or special populations resulted in the same statistically higher endocan levels (SMD 1.16, 95% CI 0.66-1.65, p-value < 0.01). Overall, this systematic review and meta-analysis indicated that in hypertensive patients circulating endocan levels are significantly elevated. Thus, suggesting endocan as an easy-to-use biomarker to detect ED in hypertension. Despite this, more research is warranted to address this potential ability specifically.

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