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- Title
Mixed circuit training acutely reduces arterial stiffness in patients with chronic stroke: a crossover randomized controlled trial.
- Authors
Michalski, André C.; Ferreira, Arthur S.; Midgley, Adrian W.; Costa, Victor A. B.; Fonseca, Guilherme F.; da Silva, Nádia S. L.; Borges, Juliana; Billinger, Sandra A.; Cunha, Felipe A.
- Abstract
Purpose: Investigate whether a single bout of mixed circuit training (MCT) can elicit changes in arterial stiffness in patients with chronic stroke. Second, to assess the between-day reproducibility of post-MCT arterial stiffness measurements. Methods: Seven participants (58 ± 12 years) performed a non-exercise control session (CTL) and two bouts of MCT on separate days in a randomized counterbalanced order. The MCT involved 3 sets of 15 repetition maximum for 10 exercises, with each set separated by 45-s of walking. Brachial-radial pulse wave velocity (br-PWV), radial artery compliance (AC) and reflection index (RI1,2) were assessed 10 min before and 60 min after CTL and MCT. Ambulatory arterial stiffness index (AASI) was calculated from 24-h recovery ambulatory blood pressure monitoring. Results: Compared to CTL, after 60 min of recovery from the 1st and 2nd bouts of MCT, lower values were observed for br-PWV (mean diff = − 3.9 and − 3.7 m/s, respectively, P < 0.01; ICC2,1 = 0.75) and RI1,2 (mean diff = − 16.1 and − 16.0%, respectively, P < 0.05; ICC2,1 = 0.83) concomitant with higher AC (mean diff = 1.2 and 1.0 × 10–6 cm5/dyna, respectively, P < 0.01; ICC2,1 = 0.40). The 24-h AASI was reduced after bouts of MCT vs. CTL (1st and 2nd bouts of MCT vs. CTL: mean diff = − 0.32 and − 0.29 units, respectively, P < 0.001; ICC2,1 = 0.64). Conclusion: A single bout of MCT reduces arterial stiffness during laboratory (60 min) and ambulatory (24 h) recovery phases in patients with chronic stroke with moderate-to-high reproducibility. Trial registration: Ensaiosclinicos.gov.br identifier RBR-5dn5zd.
- Subjects
ARTERIAL diseases; PULSE wave analysis; AMBULATORY blood pressure monitoring; STROKE patients; RADIAL artery; ANKLE brachial index
- Publication
European Journal of Applied Physiology, 2023, Vol 123, Issue 1, p121
- ISSN
1439-6319
- Publication type
Article
- DOI
10.1007/s00421-022-05061-8