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BLOOD PRESSURE VARIABILITY AT REST AND DURING AEROBIC EXERCISES IN WOMEN WITH ISCHEMIC CARDIAC DISESES

Objective: High visit-to-visit blood pressure (BP) variability increases the risk of cardiovascular disease in hypertension. In some earlier studies there was the hypothesis that exact same doses of exercise evokes the same response of BP and heart rate (HR). The aim of the study was to compare auscultatory measurements of SBP and DBP during cardiac aerobic exercise training twice a week, lasting three weeks in women with ischemic heart disease. Design and method: We examined 12 women with ischemic heart diseases, the age 60 ± 8.9 years, height 166 ± 6.7 cm, weight 78 ± 11.7 kg, ejection fraction was 46 ± 6 %. The cardiac patients were under therapy of betablockers. ACE inhibitors and statins. The intensity of aerobic training was determined individually according spiroergometric examination of the first ventilatory anaerobic threshold. BP measurements were provided using auscultatory measurement of BP at resting values, after warm-up period (10 minutes), at the peak of aerobic training period (40 minutes), at the cool-down period (10 minutes) twice a week, the training lasted 3 weeks. Results: Resting average values in the whole group of SBP were 129.0 ± 11.7 mmHg, of DBP 77.7 ± 8.5 mmHg, HR 71.7 ± 7.1 beat per minute. After warm-up period average values in the whole group of SBP were 126.7 ± 10.4 mmHg, of DBP 76.5 ± 7.0 mmHg, HR 84.4 ± 9.0 beat per minute. At aerobic peak - average values in the whole group of SBP were 135.1 ± 15.4 mmHg, of DBP 86.7 ± 10.9 mmHg, HR 86.6 ± 10.0 beat per minute. After cool-down period - average values in the whole group of SBP were 135.6 ± 13.3 mmHg, of DBP 87.8 ± 9.8 mmHg, HR 85.3 ± 11.6 beat per minute. Our results showed that SBP and DBP varies in resting values before exercise, after warm-up period, at the peak of aerobic exercise on the individual aerobic threshold value of load and after cool-down period from twenty mmHg to less mmHg. Conclusions: Aerobic exercise did not influence the values of this BP variability. Variability of the HR is also present at period of aerobic exercise training.