Anger and anxiety in borderline hypertension.

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Abstract
Psychologic studies of hypertension have usually focused on the relationship of anger and anxiety to clinic or laboratory blood pressure (BP). Yet, average blood pressure outside of the clinic has proven to be a more important predictor of hypertensive complications. In this study, we have isolated two groups of borderline hypertensives- one group that maintained high blood pressure outside of the clinic and another whose average BP returned to normal at home. All 33 subjects were given psychometric instruments for measuring various components of anger and anxiety: Spielberger''s State-Trait Personality Inventory, the Anger Expression Scale, and the State Anger Reaction Scale. The high home BP group reported greater intensity of anger, although they suppressed their expression of anger to a greater extent. The groups did not differ in anxiety. Also, blood pressure variability was not different between the two groups. It is suggested that the psychologic differences found in the group of higher-risk borderline hypertensives may, through autonomic arousal, contribute to the later development of established hypertension.