Abstract
The purpose of this study is to discuss the application of the blood presure (BP) biofeedback system to the treatment of white-coat hypertension. Subjects of this study were 10 outpatients with hypertension. Five patients with more than 25mmHg of gaps between systolic BP monitored by themselves and that checked by doctor before the treatment were group W, and the other five patients were group N. Four sessions of the BP biofeedback training were performed once a week. The average self-monitored BP in the follow-up period reduced compared with those in the baseline period, but there was no significant change. The average BP checked by doctor reduced significantly (systolic reduction : group W 18mmH, group N 11mmHg, diastolic reduction : group W 11mmHg, group N 8mmHg), and group W showed greater reduction than group N. The BP elevations by the mental stress test of group W were more suppressed than those of group N. Therefore, it is considered that this BP biofeedback system may suppress the response of BP elevation by the stress and may be effective to patients with white-coat hypertension.
