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Role of bio feedback training in hypertension and stress

, : Role of bio feedback training in hypertension and stress. Journal of Postgraduate Medicine (Bombay) 26(1): 68-73

The usefulness of biofeedback training in the management of hypertension was studied in 2 groups of hypertensive patients (10 each) taking conventional anti-hypertensive drug treatment. One group was treated with additional relaxation and biofeedback training while the other served as the control. Subjective improvement was noted in most patients during the course of training. After biofeedback training, the average mean BP [blood pressure] of the treated group came down from 121-111 mm Hg and the drug requirement was reduced by 33%. In the control group, the average mean blood pressure was reduced from 120-118 mm Hg and there was no change in the drug requirement. With the cold pressor test, before treatment, the average rise of systolic BP was 21.2 mm Hg with a recovery time of 15.8 min. The average diastolic rise was 7.3 mm Hg with a recovery time of 11.7 min. After biofeedback training, the average rise of systolic BP was 12.1 mm Hg with a recovery time of 9.1 min. The average diastolic rise was 3.3 mm Hg with recovery time of 5.8 min. No significant changes were noted in the control group. Similar differences were observed between the 2 groups with Master's 2 step exercise test. Biofeedback training not only reduces the BP but also modifies responses to stress.


PMID: 6989986

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