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Updated: Aug 19, 2026

Non-invasive Assessment of Microvascular and Endothelial Function
Published on: January 29, 2013
Markers of vascular function in hypertension due to Cushing's syndrome
S Zacharieva1, I Atanassova, E Nachev
1Clinical Centre of Endocrinology and Gerontology, Medical University, 6 Damijan Gruev Str., 1303 Sofia, Bulgaria. zacharieva@uheg.medicalnet-bg.org
Insights
Vascular endothelial growth factor (VEGF) is elevated in endocrine hypertension from Cushing's syndrome, higher than in essential hypertension. Further research is needed to clarify VEGF's role in hypertension and adrenal conditions.
Area of Science:
- Endocrinology
- Cardiovascular Research
- Vascular Biology
Background:
- Limited data exists on vascular endothelial growth factor (VEGF) in arterial hypertension.
- Endocrine hypertension, particularly from Cushing's syndrome, warrants investigation for vascular markers.
Purpose of the Study:
- To investigate vascular function markers, including VEGF, active renin, and prostaglandin E (2) (PGE (2)).
- To compare these markers in patients with endocrine hypertension (Cushing's syndrome) versus essential hypertension and healthy controls.
Main Methods:
- Comparative study design.
- Inclusion of 32 patients with active Cushing's syndrome, 22 with essential hypertension, and 24 healthy volunteers.
- Measurement of VEGF, active renin, and PGE (2) levels.
Main Results:
- VEGF levels were significantly elevated in both patient groups compared to controls.
- VEGF levels were significantly higher in Cushing's syndrome patients than in essential hypertension patients.
- No significant differences in active renin or PGE (2) levels were observed among the groups.
Conclusions:
- VEGF is significantly elevated in endocrine hypertension associated with glucocorticoid excess.
- Cushing's syndrome patients exhibit higher VEGF levels than those with essential hypertension.
- The precise contribution of hypertension versus adrenal pathology to VEGF elevation in Cushing's syndrome remains undetermined.
Background:
There are limited data regarding the role of vascular endothelial growth factor (VEGF) in arterial hypertension. The aim of the study was to determine some markers of vascular function, including VEGF, active renin and prostaglandin E (2) (PGE (2)) in patients with endocrine hypertension resulting from Cushing's syndrome.
Material And Methods:
The study comprised 32 patients with active Cushing's syndrome, 22 patients with essential hypertension, and 24 healthy volunteers.
Results:
VEGF was significantly elevated in the groups of patients compared to controls. VEGF levels in the patients with Cushing's syndrome were significantly higher than in patients with essential hypertension. We did not find significant differences in VEGF levels between patients with Cushing's disease and Cushing's syndrome due to adrenal tumor. Active renin and PGE (2) levels did not differ significantly among groups.
Conclusion:
VEGF levels were significantly elevated in endocrine hypertension due to glucocorticoid excess. Higher VEGF levels were detected in patients with Cushing's syndrome compared to patients with essential hypertension. Based on our results, we could not judge the extent to which this VEGF elevation in the patients with Cushing's syndrome was due to the hypertension itself and/or to the presence of adrenal tumor/hyperplasia.
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