title: Post-resistance exercise hemodynamic and autonomic responses: Comparison between normotensive and hypertensive men.
abstract: To compare post-resistance exercise hypotension (PREH) and its mechanisms in normotensive and hypertensive individuals, 14 normotensives and 12 hypertensives underwent two experimental sessions: control (rest) and exercise (seven exercises, three sets, 50% of one repetition maximum). Hemodynamic and autonomic clinic measurements were taken before (Pre) and at two moments post-interventions (Post 1: between 30 and 60 min; Post 2: after 7 h). Ambulatory blood pressure (BP) was monitored for 24 h. At Post 1, exercise decreased systolic BP similarly in normotensives and hypertensives (-8 ± 2 vs -13 ± 2 mmHg, P > 0.05), whereas diastolic BP decreased more in hypertensives (-4 ± 1 vs -9 ± 1 mmHg, P < 0.05). Cardiac output and systemic vascular resistance did not change in normotensives and hypertensives (0.0 ± 0.3 vs 0.0 ± 0.3 L/min; -1 ± 1 vs -2 ± 2 U, P > 0.05). After exercise, heart rate (+13 ± 3 vs +13 ± 2 bpm) and its variability (low- to high-frequency components ratio, 1.9 ± 0.4 vs +1.4 ± 0.3) increased whereas stroke volume (-14 ± 5 vs -11 ± 5 mL) decreased similarly in normotensives and hypertensives (all, P > 0.05). At Post 2, all variables returned to pre-intervention, and ambulatory data were similar between sessions. Thus, a session of resistance exercise promoted PREH in normotensives and hypertensives. Although this PREH was greater in hypertensives, it did not last during the ambulatory period, which limits its clinical relevance. In addition, the mechanisms of PREH were similar in hypertensives and normotensives.
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors: A C C
authors: http://orcid.org/0000-0003-1985-2388
authors: AC
authors: Queiroz
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors: J C S
authors: JC
authors: Sousa
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors: A A P
authors: AA
authors: Cavalli
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors: N D
authors: ND
authors: Silva
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors: L A R
authors: LA
authors: Costa
authors: Department of Biomedical and Clinical Sciences "L. Sacco", Medicine and Physiopathology, L. Sacco Hospital, University of Milan, Milan, Italy.
authors: E
authors: E
authors: Tobaldini
authors: Department of Biomedical and Clinical Sciences "L. Sacco", Medicine and Physiopathology, L. Sacco Hospital, University of Milan, Milan, Italy.
authors: N
authors: N
authors: Montano
authors: Hypertension Unit, General Hospital, University of São Paulo, São Paulo, Brazil.
authors: G V
authors: GV
authors: Silva
authors: Hypertension Unit, General Hospital, University of São Paulo, São Paulo, Brazil.
authors: K
authors: K
authors: Ortega
authors: Hypertension Unit, General Hospital, University of São Paulo, São Paulo, Brazil.
authors: D
authors: D
authors: Mion
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.|Hypertension Unit, General Hospital, University of São Paulo, São Paulo, Brazil.
authors: T
authors: T
authors: Tinucci
authors: Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors: C L M
authors: CL
authors: Forjaz
mesh_terms: D000328:Adult; D001341:Autonomic Nervous System / Q000503:physiopathology*; D001794:Blood Pressure; D018660:Blood Pressure Monitoring, Ambulatory; D064368:Healthy Volunteers; D006339:Heart Rate; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D007022:Hypotension / Q000209:etiology / Q000503:physiopathology*; D008875:Middle Aged; D055070:Resistance Training; D013318:Stroke Volume; D013997:Time Factors; D014655:Vascular Resistance; D014891:Weight Lifting / Q000502:physiology*
keywords: Hypertension; ambulatory blood pressure; autonomic modulation; strength exercise