Author(s): Ashwathy VT, Jyothi S and Lokesh BN

Abstract:
Family history (FH) is considered as a strong risk factor of hypertension. Previous works have shown that exaggerated cardiovascular response to exercise is a marker for early detection of future hypertension, however the use of an exercise induced physical stress response as a means of early prediction of hypertension in high risk individuals needs further confirmation. Present study was taken up to evaluate and compare the effect of isometric hand grip (IHG) exercise on pulse rate (PR) and blood pressure (BP) in normotensive healthy adults with or without parental history of hypertension. The study was performed on 30 healthy adults between 17-19 years post allocation into two groups, study group (n =10) with parental hypertension and control group (n = 20). Isometric hand grip exercise was performed and BP and PR response was measured at baseline, during the exercise, immediately after exercise, 3 minutes and 5 minutes after exercise. On analysis of the results there was a significant difference in the diastolic blood pressure (DBP) during exercise (83.25 ± 9.4 Vs. 74.6 ± 4.6, p<0.05), PR (78 ± 4.5 Vs 73.8 ± 3.3 p<0.05) and DBP (73.25 ± 4.1 Vs. 67 ± 2.5 p<0.05) at 5 minutes after exercise between the groups. There was no significant difference in other parameters between the groups. To conclude, there was an increased DBP response to exercise and increased recovery time in normotensive subjects with FH of hypertension.

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