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Effect of high-intensity exercise on cardiorespiratory fitness in stroke survivors: A systematic review and meta-analysis / Lu Luo in Annals of physical and rehabilitation medicine, Vol. 63, n°1 (Janvier 2020)
[article]
Titre : Effect of high-intensity exercise on cardiorespiratory fitness in stroke survivors: A systematic review and meta-analysis Type de document : texte imprimé Auteurs : Lu Luo ; Haining Meng ; Ziwei Wang ; Shiqiang Zhu ; Song Yuan ; Yuyang Wang ; Qiang Wang Année de publication : 2020 Article en page(s) : p. 59-68 Note générale : doi.org/10.1016/j.rehab.2019.07.006 Langues : Anglais (eng) Mots-clés : Exercise therapy Intensity Stroke Cardiorespiratory fitness Safety Meta-analysis Résumé : Background
Knowledge of the optimal protocol and safety of particularly high-intensity exercise applied to individuals with stroke is lacking.
Objective
This systematic review and meta-analysis aimed to investigate the effect of high-intensity exercise on cardiorespiratory fitness in stroke survivors.
Methods
We performed a systematic electronic search for articles in MedLine via PubMed, EMBASE, Web of Science, Cochrane Central Register of Controlled Trials, CINAHL, and SPORTSDiscus up to April 1, 2019. Peak oxygen consumption (VO2peak), 6-min walk test (6MWT), fastest 10-m walk test (10MWT), and adverse events were assessed. The standardized mean difference (SMD), weighted mean difference (WMD), and odds ratios (ORs) were used to compute the effect size, and subgroup analysis was conducted to test the consistency of results as well as sensitivity analysis to assess the robustness of the results. The quality of evidence was assessed with the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system.
Results
We included 17 studies (PEDro score ≥ 4) in the meta-analysis. Post-intervention, high-intensity exercise had a significant effect on peak oxygen uptake (VO2peak; SMD = 0.56, P < 0.01, I2 = 8%; WMD = 2.53 mL/kg/min; high quality of evidence) and 6MWT (SMD = 0.26, P < 0.01, I2 = 40%; WMD = 17.08 m; moderate quality of evidence) but not fastest 10MWT (SMD = 0.33, P = 0.27, I2 = 77%; WMD = 0.05 m/s; low quality of evidence). Subgroup analysis showed better effects of higher-intensity treadmill training (≥ 70% heart rate reserve/VO2peak) for a longer duration (≥ 12 weeks) on VO2peak and 6MWT in sub-acute or chronic stroke survivors. The high-intensity exercise and control groups did not differ in adverse events including falls [odds ratio (OR) 1.40, P = 0.35, I2 = 11%; low quality of evidence], pain (OR 3.34, P = 0.09, I2 = 0%; moderate quality of evidence), or skin injuries (OR 1.08, P = 0.90, I2 = 0%; low quality of evidence).
Conclusions
Our meta-analysis suggests that high-intensity exercise is beneficial for cardiorespiratory fitness in stroke survivors and might be safe as a novel intervention in cardiopulmonary rehabilitation after stroke.Permalink : ./index.php?lvl=notice_display&id=90767
in Annals of physical and rehabilitation medicine > Vol. 63, n°1 (Janvier 2020) . - p. 59-68[article] Effect of high-intensity exercise on cardiorespiratory fitness in stroke survivors: A systematic review and meta-analysis [texte imprimé] / Lu Luo ; Haining Meng ; Ziwei Wang ; Shiqiang Zhu ; Song Yuan ; Yuyang Wang ; Qiang Wang . - 2020 . - p. 59-68.
doi.org/10.1016/j.rehab.2019.07.006
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 63, n°1 (Janvier 2020) . - p. 59-68
Mots-clés : Exercise therapy Intensity Stroke Cardiorespiratory fitness Safety Meta-analysis Résumé : Background
Knowledge of the optimal protocol and safety of particularly high-intensity exercise applied to individuals with stroke is lacking.
Objective
This systematic review and meta-analysis aimed to investigate the effect of high-intensity exercise on cardiorespiratory fitness in stroke survivors.
Methods
We performed a systematic electronic search for articles in MedLine via PubMed, EMBASE, Web of Science, Cochrane Central Register of Controlled Trials, CINAHL, and SPORTSDiscus up to April 1, 2019. Peak oxygen consumption (VO2peak), 6-min walk test (6MWT), fastest 10-m walk test (10MWT), and adverse events were assessed. The standardized mean difference (SMD), weighted mean difference (WMD), and odds ratios (ORs) were used to compute the effect size, and subgroup analysis was conducted to test the consistency of results as well as sensitivity analysis to assess the robustness of the results. The quality of evidence was assessed with the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system.
Results
We included 17 studies (PEDro score ≥ 4) in the meta-analysis. Post-intervention, high-intensity exercise had a significant effect on peak oxygen uptake (VO2peak; SMD = 0.56, P < 0.01, I2 = 8%; WMD = 2.53 mL/kg/min; high quality of evidence) and 6MWT (SMD = 0.26, P < 0.01, I2 = 40%; WMD = 17.08 m; moderate quality of evidence) but not fastest 10MWT (SMD = 0.33, P = 0.27, I2 = 77%; WMD = 0.05 m/s; low quality of evidence). Subgroup analysis showed better effects of higher-intensity treadmill training (≥ 70% heart rate reserve/VO2peak) for a longer duration (≥ 12 weeks) on VO2peak and 6MWT in sub-acute or chronic stroke survivors. The high-intensity exercise and control groups did not differ in adverse events including falls [odds ratio (OR) 1.40, P = 0.35, I2 = 11%; low quality of evidence], pain (OR 3.34, P = 0.09, I2 = 0%; moderate quality of evidence), or skin injuries (OR 1.08, P = 0.90, I2 = 0%; low quality of evidence).
Conclusions
Our meta-analysis suggests that high-intensity exercise is beneficial for cardiorespiratory fitness in stroke survivors and might be safe as a novel intervention in cardiopulmonary rehabilitation after stroke.Permalink : ./index.php?lvl=notice_display&id=90767 Exemplaires (1)
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Exclu du prêtShort-term effects of a 3-week interval training program on heart rate variability in chronic heart failure. A randomised controlled trial / Florent Besnier in Annals of physical and rehabilitation medicine, Vol. 62, n°5 (Septembre 2019)
[article]
Titre : Short-term effects of a 3-week interval training program on heart rate variability in chronic heart failure. A randomised controlled trial Type de document : texte imprimé Auteurs : Florent Besnier ; Marc Labrunée ; Lisa Richard ; Florence Faggianelli ; Hélène Kerros ; Laurent Soukarié ; Marc Bousquet ; Jean-Michel Sénard Année de publication : 2019 Article en page(s) : p. 321-328 Note générale : doi.org/10.1016/j.rehab.2019.06.013 Langues : Anglais (eng) Mots-clés : Exercise training Cardiovascular Rehabilitation Chronic heart failure Parasympathetic Cardiorespiratory fitness Résumé : Background
Exaggerated sympathetic nervous system activity associated with low heart rate variability (HRV) is considered to trigger cardiac arrhythmias and sudden death. Regular exercise training is efficient to improve autonomic balance.
Objective
We aimed to verify the superiority of high-intensity interval training (HIIT) to enhance HRV, cardiorespiratory fitness and cardiac function as compared with moderate intensity continuous training (MICT) in a short, intense cardiac rehabilitation program.
Methods
This was a prospective, monocentric, evaluator-blinded, randomised (1:1) study with a parallel two-group design. Overall, 31 individuals with voluntary chronic heart failure (CHF) (left ventricular ejection fraction [LVEF] < 45%) were allocated to MICT (n = 15) or HIIT (n = 16) for a short rehabilitation program (mean [SD] 27 [4] days). Participants underwent 24-hr electrocardiography, echocardiography and a cardiopulmonary exercise test at entry and at the end of the study.
Results
High-frequency power in normalized units (HFnu%) measured as HRV increased with HIIT (from 21.2% to 26.4%, P < 0.001) but remained unchanged with MICT (from 23.1% to 21.9%, P = 0.444, with a significant intergroup difference, P = 0.003). Resting heart rate (24-hr Holter electrocardiography) decreased significantly for both groups (from 68.2 to 64.6 bpm and 66.0 to 63.5 bpm for MICT and HIIT, respectively, with no intergroup difference, P = 0.578). The 2 groups did not differ in premature ventricular contractions. Improvement in peak oxygen uptake was greater with HIIT than MICT (+ 21% vs. + 5%, P = 0.009). LVEF improved with only HIIT (from 36.2% to 39.5%, P = 0.034).
Conclusions
In this short rehabilitation program, HIIT was significantly superior to the classical MICT program for enhancing parasympathetic tone and peak oxygen uptake.Permalink : ./index.php?lvl=notice_display&id=84141
in Annals of physical and rehabilitation medicine > Vol. 62, n°5 (Septembre 2019) . - p. 321-328[article] Short-term effects of a 3-week interval training program on heart rate variability in chronic heart failure. A randomised controlled trial [texte imprimé] / Florent Besnier ; Marc Labrunée ; Lisa Richard ; Florence Faggianelli ; Hélène Kerros ; Laurent Soukarié ; Marc Bousquet ; Jean-Michel Sénard . - 2019 . - p. 321-328.
doi.org/10.1016/j.rehab.2019.06.013
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 62, n°5 (Septembre 2019) . - p. 321-328
Mots-clés : Exercise training Cardiovascular Rehabilitation Chronic heart failure Parasympathetic Cardiorespiratory fitness Résumé : Background
Exaggerated sympathetic nervous system activity associated with low heart rate variability (HRV) is considered to trigger cardiac arrhythmias and sudden death. Regular exercise training is efficient to improve autonomic balance.
Objective
We aimed to verify the superiority of high-intensity interval training (HIIT) to enhance HRV, cardiorespiratory fitness and cardiac function as compared with moderate intensity continuous training (MICT) in a short, intense cardiac rehabilitation program.
Methods
This was a prospective, monocentric, evaluator-blinded, randomised (1:1) study with a parallel two-group design. Overall, 31 individuals with voluntary chronic heart failure (CHF) (left ventricular ejection fraction [LVEF] < 45%) were allocated to MICT (n = 15) or HIIT (n = 16) for a short rehabilitation program (mean [SD] 27 [4] days). Participants underwent 24-hr electrocardiography, echocardiography and a cardiopulmonary exercise test at entry and at the end of the study.
Results
High-frequency power in normalized units (HFnu%) measured as HRV increased with HIIT (from 21.2% to 26.4%, P < 0.001) but remained unchanged with MICT (from 23.1% to 21.9%, P = 0.444, with a significant intergroup difference, P = 0.003). Resting heart rate (24-hr Holter electrocardiography) decreased significantly for both groups (from 68.2 to 64.6 bpm and 66.0 to 63.5 bpm for MICT and HIIT, respectively, with no intergroup difference, P = 0.578). The 2 groups did not differ in premature ventricular contractions. Improvement in peak oxygen uptake was greater with HIIT than MICT (+ 21% vs. + 5%, P = 0.009). LVEF improved with only HIIT (from 36.2% to 39.5%, P = 0.034).
Conclusions
In this short rehabilitation program, HIIT was significantly superior to the classical MICT program for enhancing parasympathetic tone and peak oxygen uptake.Permalink : ./index.php?lvl=notice_display&id=84141 Exemplaires (1)
Cote Support Localisation Section Disponibilité Revue Revue Centre de Documentation HELHa Campus Montignies Armoires à volets Document exclu du prêt - à consulter sur place
Exclu du prêt