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Heart rate recovery of individuals undergoing cardiac rehabilitation after acute coronary syndrome / Tiffany Astolfi in Annals of physical and rehabilitation medicine, Vol. 61, n°2 (Mars 2018)
[article]
Titre : Heart rate recovery of individuals undergoing cardiac rehabilitation after acute coronary syndrome Type de document : texte imprimé Auteurs : Tiffany Astolfi ; Fabio Borrani ; Milos Savcic ; Vincent Gremeaux ; Grégoire Millet Année de publication : 2018 Article en page(s) : p. 65-71 Note générale : Doi : 10.1016/j.rehab.2017.10.005 Langues : Anglais (eng) Mots-clés : Autonomic nervous system Heart rate recovery Heart rate variability Cardiac rehabilitation Acute coronary syndrome Résumé : Background
An efficient cardiac rehabilitation programme (CRP) can improve the functional ability of patients after acute coronary syndrome (ACS).
Objective
To examine the effect of a CRP on parasympathetic reactivation and heart rate recovery (HRR) measured after a 6-min walk test (6MWT), and correlation with 6MWT distance and well-being after ACS.
Methods
Eleven normoweight patients after ACS (BMI<25kg/m2; 10 males; mean [SD] age 61 [9] years) underwent an 8-week CRP. Before (pre-) and at weeks 4 (W4) and 8 (W8) during the CRP, they performed a 6MWT on a treadmill, followed by 10-min of seated passive recovery, with HRR and HR variability (HRV) recordings. HRR was measured at 1, 3, 5 and 10min after the 6MWT (HRR1, HRR3, HRR5, HRR10), then modelized by a mono-exponential function. Time-domain (square root of the mean of the sum of the squares of differences between adjacent normal R-R intervals [RMSSD]) and frequency-domain (with high- and low-frequency band powers) were used to analyse HRV. Participants completed a mental and physical well-being questionnaire at pre- and W8. Exhaustion after tests was assessed by the Borg scale. Pearson correlation was used to assess correlations.
Results
HRR3, HRR5 and HRR10 increased by 37%, 36% and 28%, respectively, between pre- and W8 (P<0.05), and were positively correlated with change in 6MWT distance (r=0.58, 0.66 and 0.76; P<0.05). Percentage change in HRR3 was positively correlated with change in well-being (r=0.70; P=0.01). Parasympathic reactivation (RMSSD) was improved only during the first 30sec of recovery (P=0.04).
Conclusion
Among patients undergoing a CRP after ACS, increased HRR after a 6MWT, especially at 3min, was positively correlated with 6MWT distance and improved well-being. HRR raw data seem more sensitive than post-exercise HRV analysis for monitoring functional and autonomic improvement after ACS.Permalink : ./index.php?lvl=notice_display&id=80448
in Annals of physical and rehabilitation medicine > Vol. 61, n°2 (Mars 2018) . - p. 65-71[article] Heart rate recovery of individuals undergoing cardiac rehabilitation after acute coronary syndrome [texte imprimé] / Tiffany Astolfi ; Fabio Borrani ; Milos Savcic ; Vincent Gremeaux ; Grégoire Millet . - 2018 . - p. 65-71.
Doi : 10.1016/j.rehab.2017.10.005
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 61, n°2 (Mars 2018) . - p. 65-71
Mots-clés : Autonomic nervous system Heart rate recovery Heart rate variability Cardiac rehabilitation Acute coronary syndrome Résumé : Background
An efficient cardiac rehabilitation programme (CRP) can improve the functional ability of patients after acute coronary syndrome (ACS).
Objective
To examine the effect of a CRP on parasympathetic reactivation and heart rate recovery (HRR) measured after a 6-min walk test (6MWT), and correlation with 6MWT distance and well-being after ACS.
Methods
Eleven normoweight patients after ACS (BMI<25kg/m2; 10 males; mean [SD] age 61 [9] years) underwent an 8-week CRP. Before (pre-) and at weeks 4 (W4) and 8 (W8) during the CRP, they performed a 6MWT on a treadmill, followed by 10-min of seated passive recovery, with HRR and HR variability (HRV) recordings. HRR was measured at 1, 3, 5 and 10min after the 6MWT (HRR1, HRR3, HRR5, HRR10), then modelized by a mono-exponential function. Time-domain (square root of the mean of the sum of the squares of differences between adjacent normal R-R intervals [RMSSD]) and frequency-domain (with high- and low-frequency band powers) were used to analyse HRV. Participants completed a mental and physical well-being questionnaire at pre- and W8. Exhaustion after tests was assessed by the Borg scale. Pearson correlation was used to assess correlations.
Results
HRR3, HRR5 and HRR10 increased by 37%, 36% and 28%, respectively, between pre- and W8 (P<0.05), and were positively correlated with change in 6MWT distance (r=0.58, 0.66 and 0.76; P<0.05). Percentage change in HRR3 was positively correlated with change in well-being (r=0.70; P=0.01). Parasympathic reactivation (RMSSD) was improved only during the first 30sec of recovery (P=0.04).
Conclusion
Among patients undergoing a CRP after ACS, increased HRR after a 6MWT, especially at 3min, was positively correlated with 6MWT distance and improved well-being. HRR raw data seem more sensitive than post-exercise HRV analysis for monitoring functional and autonomic improvement after ACS.Permalink : ./index.php?lvl=notice_display&id=80448 Exemplaires (1)
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Exclu du prêtA prospective study examining the influence of cardiac rehabilitation on the sedentary time of highly sedentary, physically inactive patients / A. Biswas in Annals of physical and rehabilitation medicine, Vol. 61, n°4 (Juillet 2018)
[article]
Titre : A prospective study examining the influence of cardiac rehabilitation on the sedentary time of highly sedentary, physically inactive patients Type de document : texte imprimé Auteurs : A. Biswas ; P.I. Oh ; G.E. Faulkner ; D.A. Alter Année de publication : 2018 Article en page(s) : p. 207-214 Note générale : Doi : 10.1016/j.rehab.2017.06.003 Langues : Anglais (eng) Mots-clés : Cardiac rehabilitation Cardiovascular diseases Sedentary lifestyle Exercise Résumé : Objectives
Prolonged sedentary time is recognized as a distinct health risk, and mortality risks are expected to be greatest for individuals with low exercise levels. It is unknown whether participation in exercise-based cardiac rehabilitation (CR) programs influences sedentary behaviour particularly among those patients expected to be at greatest mortality risk. This study examined the influence of CR participation on sedentary behaviour and identified the proportion and characteristics (socio-demographic and clinical) of patients who do not meet exercise recommendations and have prolonged sedentary times.
Methods
A prospective study was conducted among patients of an exercise-based CR program and assessments performed at baseline and 3 months. Physical activity and sedentary behaviour information were collected by self-report, and convergent validity was examined on an accelerometer-wearing subsample.
Results
Of 468 CR patients approached, 130 participants were recruited with an average sedentary time of 8hours/day. Sedentary behaviour remained consistent at follow-up (relative change= −2.4%, P=0.07) notwithstanding a greater proportion meeting exercise recommendations (relative change= 57.4%). 19.2% of participants were classified to have prolonged sedentary time and not meet exercise recommendations at baseline. No significant differences were found between the characteristics of high-risk individuals and lower risk subgroups. Findings were consistent among the accelerometer-derived subgroup and the overall sample despite poor to moderate convergent validity.
Conclusions
These results suggest that the exercise-focus of CR may not reduce sedentary behaviours. Future studies are needed to determine whether sedentary behaviour-specific reduction strategies are more effective than traditional exercise-based strategies and lead to meaningful improvements in clinical outcomes.Permalink : ./index.php?lvl=notice_display&id=80592
in Annals of physical and rehabilitation medicine > Vol. 61, n°4 (Juillet 2018) . - p. 207-214[article] A prospective study examining the influence of cardiac rehabilitation on the sedentary time of highly sedentary, physically inactive patients [texte imprimé] / A. Biswas ; P.I. Oh ; G.E. Faulkner ; D.A. Alter . - 2018 . - p. 207-214.
Doi : 10.1016/j.rehab.2017.06.003
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 61, n°4 (Juillet 2018) . - p. 207-214
Mots-clés : Cardiac rehabilitation Cardiovascular diseases Sedentary lifestyle Exercise Résumé : Objectives
Prolonged sedentary time is recognized as a distinct health risk, and mortality risks are expected to be greatest for individuals with low exercise levels. It is unknown whether participation in exercise-based cardiac rehabilitation (CR) programs influences sedentary behaviour particularly among those patients expected to be at greatest mortality risk. This study examined the influence of CR participation on sedentary behaviour and identified the proportion and characteristics (socio-demographic and clinical) of patients who do not meet exercise recommendations and have prolonged sedentary times.
Methods
A prospective study was conducted among patients of an exercise-based CR program and assessments performed at baseline and 3 months. Physical activity and sedentary behaviour information were collected by self-report, and convergent validity was examined on an accelerometer-wearing subsample.
Results
Of 468 CR patients approached, 130 participants were recruited with an average sedentary time of 8hours/day. Sedentary behaviour remained consistent at follow-up (relative change= −2.4%, P=0.07) notwithstanding a greater proportion meeting exercise recommendations (relative change= 57.4%). 19.2% of participants were classified to have prolonged sedentary time and not meet exercise recommendations at baseline. No significant differences were found between the characteristics of high-risk individuals and lower risk subgroups. Findings were consistent among the accelerometer-derived subgroup and the overall sample despite poor to moderate convergent validity.
Conclusions
These results suggest that the exercise-focus of CR may not reduce sedentary behaviours. Future studies are needed to determine whether sedentary behaviour-specific reduction strategies are more effective than traditional exercise-based strategies and lead to meaningful improvements in clinical outcomes.Permalink : ./index.php?lvl=notice_display&id=80592 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 prêtThe Short and Fast Step Test : A functional tool to assess anaerobic metabolism in rehabilitated coronary patients / Anaïs Gouteron in Annals of physical and rehabilitation medicine, Vol. 63, n°4 (Juillet 2020)
[article]
Titre : The Short and Fast Step Test : A functional tool to assess anaerobic metabolism in rehabilitated coronary patients Type de document : texte imprimé Auteurs : Anaïs Gouteron ; Delphine Besson ; Aurélie Gudjoncik ; Armelle Hannequin ; Davy Laroche ; Jean-Marie Casillas Année de publication : 2020 Article en page(s) : p. 368-371 Note générale : doi.org/10.1016/j.rehab.2019.09.006 Langues : Anglais (eng) Mots-clés : Anaerobic test Blood lactate measurement Cardiac rehabilitation Oxygen debt Step test Permalink : ./index.php?lvl=notice_display&id=90885
in Annals of physical and rehabilitation medicine > Vol. 63, n°4 (Juillet 2020) . - p. 368-371[article] The Short and Fast Step Test : A functional tool to assess anaerobic metabolism in rehabilitated coronary patients [texte imprimé] / Anaïs Gouteron ; Delphine Besson ; Aurélie Gudjoncik ; Armelle Hannequin ; Davy Laroche ; Jean-Marie Casillas . - 2020 . - p. 368-371.
doi.org/10.1016/j.rehab.2019.09.006
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 63, n°4 (Juillet 2020) . - p. 368-371
Mots-clés : Anaerobic test Blood lactate measurement Cardiac rehabilitation Oxygen debt Step test Permalink : ./index.php?lvl=notice_display&id=90885 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