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Psychophysiological interrelations and reactivity characteristics in hypertensives
T A Aivazyan1, V P Zaitsev, V V Khramelashvili
1A. L. Myasnikov Institute of Clinical Cardiology, USSR Academy of Medical Sciences, Moscow.
Summary
Essential hypertension in men is linked to psychological factors like assertiveness and conflict. Stress responses, including blood pressure changes, vary based on individual psychological traits and can predict future hypertension progression.
Area of Science:
- Cardiology
- Psychophysiology
- Hypertension Research
Background:
- Essential hypertension affects a significant population of men aged 20-55.
- Psychological factors are increasingly recognized as potential contributors to hypertension development and progression.
Purpose of the Study:
- To investigate the relationship between psychological characteristics and cardiovascular responses to stress in men with essential hypertension.
- To identify psychophysiological predictors of blood pressure changes and hypertension progression over a one-year follow-up period.
Main Methods:
- Utilized clinical, psychological, and psychophysiological assessments in 203 men with essential hypertension.
- Measured systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate, and respiratory rate at rest and during emotional stressors.
- Employed methods such as mental arithmetic tasks and a computer game to induce psychological stress.
Main Results:
- Higher levels of assertiveness and interpersonal conflict were associated with greater blood pressure increases during psychological stress in hypertensive patients with an inherited predisposition.
- Specific cardiovascular responses to stressors correlated with psychological traits: SBP increase during mental arithmetic linked to anxiety, DBP increase linked to assertiveness.
- Increased SBP and DBP during a computer game correlated with competitiveness and conflict levels.
- Hypertensive patients showing blood pressure increases during follow-up initially had greater DBP reactivity to stress and longer recovery times.
Conclusions:
- Psychological features significantly influence cardiovascular reactivity to emotional stressors in essential hypertension.
- Individual psychological profiles, including assertiveness, conflict, and anxiety, are associated with distinct patterns of blood pressure response.
- Initial psychophysiological stress responses, particularly DBP reactivity and recovery, may predict future blood pressure changes in hypertensive men.