Breathing Awareness Meditation and LifeSkills Training Programs Influence Upon Ambulatory Blood Pressure and Sodium Excretion Among African American Adolescents

Abstract

Purpose Evaluate impact of breathing awareness meditation (BAM), Botvin LifeSkills® Training (LST), and health education control (HEC) on ambulatory blood pressure (BP) and sodium excretion in African American (AA) adolescents. Methods Following three consecutive days of systolic blood pressure (SBP) screenings, 166 eligible participants (i.e., SBP > 50th – 95th percentile) were randomized by school to either BAM (n = 53), LST (n= 69), or HEC (n=44). In-school intervention sessions were administered for three months by health education teachers. Before and after the intervention overnight urine samples and 24-hour ambulatory SBP, diastolic blood pressure (DBP), and heart rate (HR) were obtained. Results Significant group differences were found for changes in overnight SBP and SBP, DBP and HR over the 24-hour period and during school hours. The BAM treatment exhibited the greatest overall decreases on these measures (Bonferroni adjusted, ps <.05). For example, for school-time SBP, BAM showed a change of −3.7 mmHg compared to no change for LST and a change of −0.1 mmHg for HEC. There was a non-significant trend for overnight urinary sodium excretion (p = .07) with the BAM group displaying a reduction of −.92 ± 1.1 mEq/hr compared to increases of .89 ± 1.2 mEq/hr for LST, and .58±0.9 mEq/hr for HEC group. Conclusion BAM appears to improve hemodynamic function and may impact sodium handling among AA adolescents at increased risk for development of cardiovascular disease (CVD).

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