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Effects of Deep Pressure Stimulation on Physiological Arousal / Stacey REYNOLDS in American Journal of Occupational Therapy, Vol. 69/3 (mai -juin 2015)
[article]
Titre : Effects of Deep Pressure Stimulation on Physiological Arousal Type de document : texte imprimé Auteurs : Stacey REYNOLDS ; Shelly J. Lane ; Brian MULLEN Année de publication : 2015 Article en page(s) : p.1-5 Langues : Anglais (eng) Mots-clés : Adulte Stimulation Physiologie Toucher Retard mental Système nerveux végétatifAdaptation/physiological Arousal Autonomic nervous system Pressure Touch Résumé : Deep pressure stimulation has been used in therapeutic practice because of the assumption that it changes physiological arousal. The purpose of this study was to test the effects of deep pressure stimulation, applied with a Vayu Vest (Therapeutic Systems), on both autonomic arousal and performance in a normative adult sample. A repeated-measures, repeated-baseline design was used with participants completing a performance test before and after deep pressure application. A convenience sample of 50 adults participated in the study. Results showed that wearing the Vayu Vest for even short periods of time reduced sympathetic arousal and non–stimulus-driven electrical occurrences. Concomitant increases in parasympathetic arousal were found. Performance improvements were noted after wearing the Vayu Vest, potentially because of changes in arousal. We conclude that deep pressure stimulation is capable of eliciting changes in autonomic arousal and may be a useful modality in diagnostic groups seen by occupational therapy practitioners. Permalink : ./index.php?lvl=notice_display&id=35896
in American Journal of Occupational Therapy > Vol. 69/3 (mai -juin 2015) . - p.1-5[article] Effects of Deep Pressure Stimulation on Physiological Arousal [texte imprimé] / Stacey REYNOLDS ; Shelly J. Lane ; Brian MULLEN . - 2015 . - p.1-5.
Langues : Anglais (eng)
in American Journal of Occupational Therapy > Vol. 69/3 (mai -juin 2015) . - p.1-5
Mots-clés : Adulte Stimulation Physiologie Toucher Retard mental Système nerveux végétatifAdaptation/physiological Arousal Autonomic nervous system Pressure Touch Résumé : Deep pressure stimulation has been used in therapeutic practice because of the assumption that it changes physiological arousal. The purpose of this study was to test the effects of deep pressure stimulation, applied with a Vayu Vest (Therapeutic Systems), on both autonomic arousal and performance in a normative adult sample. A repeated-measures, repeated-baseline design was used with participants completing a performance test before and after deep pressure application. A convenience sample of 50 adults participated in the study. Results showed that wearing the Vayu Vest for even short periods of time reduced sympathetic arousal and non–stimulus-driven electrical occurrences. Concomitant increases in parasympathetic arousal were found. Performance improvements were noted after wearing the Vayu Vest, potentially because of changes in arousal. We conclude that deep pressure stimulation is capable of eliciting changes in autonomic arousal and may be a useful modality in diagnostic groups seen by occupational therapy practitioners. Permalink : ./index.php?lvl=notice_display&id=35896 Réservation
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DisponibleHeart 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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