Abaji, J P; Curnier, D; Moore, R D; Ellemberg, D
Persisting effects of concussion on heart rate variability during physical exertion Journal Article
In: Journal of Neurotrauma, vol. 33, no. 9, pp. 811–817, 2016.
Abstract | Links | BibTeX | Tags: adult, Article, athlete, brain concussion, cardiac autonomic modulation, clinical article, Concussion, controlled study, cross-sectional study, electrocardiogram, exercise, hand grip, heart rate variability, human, isometric hand grip contraction, Male, muscle isometric contraction, PHYSICAL ACTIVITY
@article{Abaji2016,
title = {Persisting effects of concussion on heart rate variability during physical exertion},
author = {Abaji, J P and Curnier, D and Moore, R D and Ellemberg, D},
doi = {10.1089/neu.2015.3989},
year = {2016},
date = {2016-01-01},
journal = {Journal of Neurotrauma},
volume = {33},
number = {9},
pages = {811--817},
abstract = {The purpose of this study was to evaluate cardiac autonomic modulation in university athletes during the post-acute to late phase (mean, 95 days ±63) of injury at rest and during physical exertion. We also sought to evaluate the effect of time since injury and number of injuries on heart rate variability (HRV). We hypothesized that physical exertion would reveal persisting modifications in HRV following a concussion. We included, in a cross-sectional design, athletes who sustained a concussion and matched controls. Concussions were identified by a medical doctor using established criteria. Twelve male concussed and 12 control athletes took part in the study. Control participants were teammates who were chosen to match the concussed athletes with regard to their height, weight, education, and age. The beat-to-beat electrocardiogram intervals of the participants were measured at rest and during physical exertion (isometric hand grip contraction; IHGC), which was sustained for 3 minutes at 30% of the participants' maximum. Linear and nonlinear parameters of HRV were calculated. The ratio between low and high frequency (LF/HF) bands was calculated to assess the sympathovagal balance. During the IHGC, but not at rest, concussed athletes presented significantly lower power in HF bands, leading to a significantly higher LF/HF ratio (p ≤ 0.05). Thus, asymptomatic athletes still may exhibit modifications in cardiac autonomic modulation weeks to months following injury. These modifications may only become apparent during physical exertion. Monitoring HRV may aid diagnosis and provide insight about safe return to play. © Mary Ann Liebert, Inc. 2016.},
keywords = {adult, Article, athlete, brain concussion, cardiac autonomic modulation, clinical article, Concussion, controlled study, cross-sectional study, electrocardiogram, exercise, hand grip, heart rate variability, human, isometric hand grip contraction, Male, muscle isometric contraction, PHYSICAL ACTIVITY},
pubstate = {published},
tppubtype = {article}
}
Alworth, M; Bond, M C; Brady, W J
The sports medicine literature 2013 Journal Article
In: American Journal of Emergency Medicine, vol. 33, no. 9, pp. 1283–1287, 2015.
Links | BibTeX | Tags: achilles tendon rupture, athlete, Athletic Injuries, catecholaminergic polymorphic ventricular tachycar, cause of death, cervical spine injury, clinical assessment, cognitive defect, commotio cordis, Concussion, electrocardiogram, Emergency Medicine, emergency physician, emergency ward, endotracheal intubation, football, head injury, health care quality, heart ventricle tachycardia, human, Humans, hypertrophic cardiomyopathy, ice hockey, injury severity, long QT syndrome, memory assessment, myocarditis, neurologic examination, practice guideline, priority journal, resuscitation, retrograde amnesia, Review, sleep disorder, SPORTS medicine, sudden cardiac death, sudden death, traumatic brain injury, UNITED States
@article{Alworth2015,
title = {The sports medicine literature 2013},
author = {Alworth, M and Bond, M C and Brady, W J},
doi = {10.1016/j.ajem.2013.10.005},
year = {2015},
date = {2015-01-01},
journal = {American Journal of Emergency Medicine},
volume = {33},
number = {9},
pages = {1283--1287},
keywords = {achilles tendon rupture, athlete, Athletic Injuries, catecholaminergic polymorphic ventricular tachycar, cause of death, cervical spine injury, clinical assessment, cognitive defect, commotio cordis, Concussion, electrocardiogram, Emergency Medicine, emergency physician, emergency ward, endotracheal intubation, football, head injury, health care quality, heart ventricle tachycardia, human, Humans, hypertrophic cardiomyopathy, ice hockey, injury severity, long QT syndrome, memory assessment, myocarditis, neurologic examination, practice guideline, priority journal, resuscitation, retrograde amnesia, Review, sleep disorder, SPORTS medicine, sudden cardiac death, sudden death, traumatic brain injury, UNITED States},
pubstate = {published},
tppubtype = {article}
}
Abaji, J P; Curnier, D; Moore, R D; Ellemberg, D
Persisting effects of concussion on heart rate variability during physical exertion Journal Article
In: Journal of Neurotrauma, vol. 33, no. 9, pp. 811–817, 2016.
@article{Abaji2016,
title = {Persisting effects of concussion on heart rate variability during physical exertion},
author = {Abaji, J P and Curnier, D and Moore, R D and Ellemberg, D},
doi = {10.1089/neu.2015.3989},
year = {2016},
date = {2016-01-01},
journal = {Journal of Neurotrauma},
volume = {33},
number = {9},
pages = {811--817},
abstract = {The purpose of this study was to evaluate cardiac autonomic modulation in university athletes during the post-acute to late phase (mean, 95 days ±63) of injury at rest and during physical exertion. We also sought to evaluate the effect of time since injury and number of injuries on heart rate variability (HRV). We hypothesized that physical exertion would reveal persisting modifications in HRV following a concussion. We included, in a cross-sectional design, athletes who sustained a concussion and matched controls. Concussions were identified by a medical doctor using established criteria. Twelve male concussed and 12 control athletes took part in the study. Control participants were teammates who were chosen to match the concussed athletes with regard to their height, weight, education, and age. The beat-to-beat electrocardiogram intervals of the participants were measured at rest and during physical exertion (isometric hand grip contraction; IHGC), which was sustained for 3 minutes at 30% of the participants' maximum. Linear and nonlinear parameters of HRV were calculated. The ratio between low and high frequency (LF/HF) bands was calculated to assess the sympathovagal balance. During the IHGC, but not at rest, concussed athletes presented significantly lower power in HF bands, leading to a significantly higher LF/HF ratio (p ≤ 0.05). Thus, asymptomatic athletes still may exhibit modifications in cardiac autonomic modulation weeks to months following injury. These modifications may only become apparent during physical exertion. Monitoring HRV may aid diagnosis and provide insight about safe return to play. © Mary Ann Liebert, Inc. 2016.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Alworth, M; Bond, M C; Brady, W J
The sports medicine literature 2013 Journal Article
In: American Journal of Emergency Medicine, vol. 33, no. 9, pp. 1283–1287, 2015.
@article{Alworth2015,
title = {The sports medicine literature 2013},
author = {Alworth, M and Bond, M C and Brady, W J},
doi = {10.1016/j.ajem.2013.10.005},
year = {2015},
date = {2015-01-01},
journal = {American Journal of Emergency Medicine},
volume = {33},
number = {9},
pages = {1283--1287},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Abaji, J P; Curnier, D; Moore, R D; Ellemberg, D
Persisting effects of concussion on heart rate variability during physical exertion Journal Article
In: Journal of Neurotrauma, vol. 33, no. 9, pp. 811–817, 2016.
Abstract | Links | BibTeX | Tags: adult, Article, athlete, brain concussion, cardiac autonomic modulation, clinical article, Concussion, controlled study, cross-sectional study, electrocardiogram, exercise, hand grip, heart rate variability, human, isometric hand grip contraction, Male, muscle isometric contraction, PHYSICAL ACTIVITY
@article{Abaji2016,
title = {Persisting effects of concussion on heart rate variability during physical exertion},
author = {Abaji, J P and Curnier, D and Moore, R D and Ellemberg, D},
doi = {10.1089/neu.2015.3989},
year = {2016},
date = {2016-01-01},
journal = {Journal of Neurotrauma},
volume = {33},
number = {9},
pages = {811--817},
abstract = {The purpose of this study was to evaluate cardiac autonomic modulation in university athletes during the post-acute to late phase (mean, 95 days ±63) of injury at rest and during physical exertion. We also sought to evaluate the effect of time since injury and number of injuries on heart rate variability (HRV). We hypothesized that physical exertion would reveal persisting modifications in HRV following a concussion. We included, in a cross-sectional design, athletes who sustained a concussion and matched controls. Concussions were identified by a medical doctor using established criteria. Twelve male concussed and 12 control athletes took part in the study. Control participants were teammates who were chosen to match the concussed athletes with regard to their height, weight, education, and age. The beat-to-beat electrocardiogram intervals of the participants were measured at rest and during physical exertion (isometric hand grip contraction; IHGC), which was sustained for 3 minutes at 30% of the participants' maximum. Linear and nonlinear parameters of HRV were calculated. The ratio between low and high frequency (LF/HF) bands was calculated to assess the sympathovagal balance. During the IHGC, but not at rest, concussed athletes presented significantly lower power in HF bands, leading to a significantly higher LF/HF ratio (p ≤ 0.05). Thus, asymptomatic athletes still may exhibit modifications in cardiac autonomic modulation weeks to months following injury. These modifications may only become apparent during physical exertion. Monitoring HRV may aid diagnosis and provide insight about safe return to play. © Mary Ann Liebert, Inc. 2016.},
keywords = {adult, Article, athlete, brain concussion, cardiac autonomic modulation, clinical article, Concussion, controlled study, cross-sectional study, electrocardiogram, exercise, hand grip, heart rate variability, human, isometric hand grip contraction, Male, muscle isometric contraction, PHYSICAL ACTIVITY},
pubstate = {published},
tppubtype = {article}
}
Alworth, M; Bond, M C; Brady, W J
The sports medicine literature 2013 Journal Article
In: American Journal of Emergency Medicine, vol. 33, no. 9, pp. 1283–1287, 2015.
Links | BibTeX | Tags: achilles tendon rupture, athlete, Athletic Injuries, catecholaminergic polymorphic ventricular tachycar, cause of death, cervical spine injury, clinical assessment, cognitive defect, commotio cordis, Concussion, electrocardiogram, Emergency Medicine, emergency physician, emergency ward, endotracheal intubation, football, head injury, health care quality, heart ventricle tachycardia, human, Humans, hypertrophic cardiomyopathy, ice hockey, injury severity, long QT syndrome, memory assessment, myocarditis, neurologic examination, practice guideline, priority journal, resuscitation, retrograde amnesia, Review, sleep disorder, SPORTS medicine, sudden cardiac death, sudden death, traumatic brain injury, UNITED States
@article{Alworth2015,
title = {The sports medicine literature 2013},
author = {Alworth, M and Bond, M C and Brady, W J},
doi = {10.1016/j.ajem.2013.10.005},
year = {2015},
date = {2015-01-01},
journal = {American Journal of Emergency Medicine},
volume = {33},
number = {9},
pages = {1283--1287},
keywords = {achilles tendon rupture, athlete, Athletic Injuries, catecholaminergic polymorphic ventricular tachycar, cause of death, cervical spine injury, clinical assessment, cognitive defect, commotio cordis, Concussion, electrocardiogram, Emergency Medicine, emergency physician, emergency ward, endotracheal intubation, football, head injury, health care quality, heart ventricle tachycardia, human, Humans, hypertrophic cardiomyopathy, ice hockey, injury severity, long QT syndrome, memory assessment, myocarditis, neurologic examination, practice guideline, priority journal, resuscitation, retrograde amnesia, Review, sleep disorder, SPORTS medicine, sudden cardiac death, sudden death, traumatic brain injury, UNITED States},
pubstate = {published},
tppubtype = {article}
}