Abstract

Objectives: To evaluate and compare the Salt perception threshold and vascular stiffness in pre-hypertensive women with that of normotensive and hypertensive women. Materials and Methods: Study design – This was a cross-sectional study. A total of 440 adult females in the age group of 25–60 years from urban and rural areas were included in the study. After initial screening, the subjects were divided into three groups. Group I: Prehypertensive females; Group II: Hypertensive females; and Group III: Normotensive females. Salt perception threshold was determined by salt impregnated taste strips with sodium chloride at different concentrations. Vascular stiffness of the subjects was measured and compared using an oscillometric non-invasive arteriography. Results: The salt intake was higher by 2.1 g/day in Group I females and 5.6 g/day in Group II females when compared to Group III females. The salt detection threshold and SPT were higher significantly in pre-hypertensive females and much higher in hypertensive females compared to normotensive females. The mean values of brachial ankle pulse wave velocity (BaPWV) and carotid femoral pulse wave velocity (CFPWV) were found to be significantly higher in Group I females compared to normotensives. Conclusion: High SPT in prehypertensive females will lead to high consumption of salt to achieve taste satisfaction. A progressive reduction of salt in food is recommended in these females would significantly decrease the percent progression of pre-HTN to HTN decreasing the risk for cardiovascular morbidity.

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