Rodrigo Ferrari1, Daniel Umpierre2, Guilherme Vogel3, Paulo J C Vieira3, Lucas P Santos4, Renato Bandeira de Mello5, Hirofumi Tanaka6, Sandra C Fuchs7. 1. Postgraduate Studies Program in Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Exercise Pathophysiology Research Laboratory, Cardiovascular Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil. Electronic address: rod.ferrari84@gmail.com. 2. Postgraduate Studies Program in Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Exercise Pathophysiology Research Laboratory, Cardiovascular Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; National Institute of Science and Technology for Health Technology Assessment (IATS)-CNPq, Hospital de Clinicas de Porto Alegre, Porto Alegre, Brazil. 3. Exercise Pathophysiology Research Laboratory, Cardiovascular Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil. 4. Postgraduate Studies Program in Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Exercise Pathophysiology Research Laboratory, Cardiovascular Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil. 5. Postgraduate Studies Program in Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil. 6. Cardiovascular Aging Research Laboratory, The University of Texas at Austin, Austin, TX, USA. 7. Postgraduate Studies Program in Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; National Institute of Science and Technology for Health Technology Assessment (IATS)-CNPq, Hospital de Clinicas de Porto Alegre, Porto Alegre, Brazil.
Abstract
Despite the fact that simultaneous performance of resistance and aerobic exercises (i.e., concurrent exercise) has become a standard exercise prescription for the elderly, no information is available on its effects on post-exercise hypotension (PEH) in elderly men with hypertension. PURPOSE: To compare the effects of different types of exercise on PEH in elderly men with hypertension. METHODS:Twenty elderly men with essential hypertension participated in three crossover interventions, in random order, and on separate days: a non-exercise control session at seated rest, aerobic exercise performed for 45min, and 45min of concurrent resistance and aerobic exercise consisted of 4 sets of 8 repetitions at 70% 1RM of resistance exercise followed by aerobic exercise on treadmill. After each session, blood pressure (BP) was measured continuously for 1h in the laboratory and for 24h under ambulatory conditions. RESULTS: During the first hour in laboratory, diastolic BP was lower after aerobic (-5mmHg) and concurrent exercise (-6mmHg) in comparison with Control. Day-time diastolic BP was significantly lower after aerobic exercise (-7mmHg) when compared to the control. No significant differences were found among the three experimental sessions for night-time and 24-hour diastolic BP, as well as day-time, night-time and 24-hour systolic BP. CONCLUSION: Concurrent exercise produced acute PEH similar to aerobic exercise but such effect did not last as long as aerobic exercise in elderly patients with essential hypertension.
RCT Entities:
Despite the fact that simultaneous performance of resistance and aerobic exercises (i.e., concurrent exercise) has become a standard exercise prescription for the elderly, no information is available on its effects on post-exercise hypotension (PEH) in elderly men with hypertension. PURPOSE: To compare the effects of different types of exercise on PEH in elderly men with hypertension. METHODS: Twenty elderly men with essential hypertension participated in three crossover interventions, in random order, and on separate days: a non-exercise control session at seated rest, aerobic exercise performed for 45min, and 45min of concurrent resistance and aerobic exercise consisted of 4 sets of 8 repetitions at 70% 1RM of resistance exercise followed by aerobic exercise on treadmill. After each session, blood pressure (BP) was measured continuously for 1h in the laboratory and for 24h under ambulatory conditions. RESULTS: During the first hour in laboratory, diastolic BP was lower after aerobic (-5mmHg) and concurrent exercise (-6mmHg) in comparison with Control. Day-time diastolic BP was significantly lower after aerobic exercise (-7mmHg) when compared to the control. No significant differences were found among the three experimental sessions for night-time and 24-hour diastolic BP, as well as day-time, night-time and 24-hour systolic BP. CONCLUSION: Concurrent exercise produced acute PEH similar to aerobic exercise but such effect did not last as long as aerobic exercise in elderly patients with essential hypertension.
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