軽症女性高血圧者における長期間の水泳の血圧に及ぼす影響

概要

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Although swimming as exercise is highly recommended in the treatment of hypertension (HT), it has not been clearly determined as to the benefits of swimming as exercise in reducing high blood pressure (BP). In this study, we have examined the effects of long term swimming as exercise on BP ratings, plasma norepinephrine levels (NE), total cholesterol count and the body mass index (BMI). Thirteen women (average age, 50±4 years old) participated in swimming as exercise for 18 months. Divided into two groups (one with mild HT consisting of 5 women, the other of normal BP consisting of 8 women) . Each group swam for 60 minutes, twice a week. The resting systolic blood pressure (sBP) and diastolic blood pressure (dBP) of the patients in the seated position fell significantly (sBP ; from 154±15 to 138±8 mmHg p<0.05, dBP ; from 88±13 to 78±6mmHg) . Total cholesterol levels and BMI also were shown to decrease significantly in the patients in this contorl group. No significant changes in plasma catecholamine concentration was observed, however. In conclusion, swimming as exercise was found to be highly effective with hypertensive patients as well as for those who suffer from obesity or hypercholestelemia.