A Study on the Effect of Mindfulness-based Yoga on Youth With Persistent Concussion Symptoms
A Pilot Study on the Effect of Mindfulness-based Yoga on Youth With Persistent Concussion Symptoms: Bridging Neurophysiological and Functional Outcomes
Mild traumatic brain injury (mTBI), also known as concussion, is of great concern in the youth population, with incidences of injury steadily increasing within the past few years. Current Canadian estimates have indicated that the total rate of concussions per 100,000 increased from 467 to 754 for boys and from 209 to 441 for girls from 2003-2010. As defined by the recent Zurich Consensus statement, concussion is a pathophysiological injury induced by biomechanical forces, which can be caused by impact to the head, neck or body. In 10-20% of youth, concussion symptoms persist in the weeks, months or even years following the injury. Consequently, youth with persistent concussion symptoms are unable to fully participate in the meaningful activities (e.g. attending school, engaging with friends and community) they did prior to the injury and experience a reduced quality of life.
Persistent concussion symptoms in youth requires an approach that directly addresses the rumination and attention to distressful thoughts about their functional performance, while still promoting appropriate levels of physical and cognitive demands. Targeting these constructs may shift the focus away from symptoms, while building self-efficacy and enhancing participation in daily activities. Mindfulness-based yoga (MBY) is a mind-body intervention that uses physical yoga poses, purposeful breathing techniques and a focus on being in the present moment. MBY encourages participants to develop moment-to-moment awareness of physical sensations, emotions, and thoughts, and promotes the cultivation of non-judgemental and accepting relationships to personal experiences. In chronic pain, fibromyalgia, mental health and now TBI populations, MBY has demonstrated benefits in physical (i.e. increased muscle strength, endurance), psychological (i.e. decreased stress, increased self-efficacy), cognitive (i.e. increased concentration) and social (i.e. emotional regulation, improved mood) domains. Although mindfulness based yoga has been validated as a form of rehabilitation in the adult population, its applicability for youth with persistent concussion symptoms has yet to be explored. Understanding the impact of a MBY intervention on this population may enhance management of persistent symptoms and ultimately, participation in meaningful activities.
In addition to the functional sequelae that ensue following this injury, concussion in both the acute and persistent phases is being recognized as a neurophysiological injury. Traditional methods of assessment following concussion place emphasis on subjective self-report and administration of neuropsychological batteries. These assessments are used in an effort to return the youth to activity (i.e school, sport). However, these methods can be unreliable as youth have a high incentive to return to play and neurocognitive resolution does not necessarily equate to pre-injury function. To augment these measures, an objective indicator of neurophysiological stress is needed. Heart rate variability (HRV) is an objective, neurophysiological indicator of autonomic nervous system functioning. HRV is quantified by measuring the time intervals between heartbeats. Increased variability in heart rate (i.e. increased HRV) is seen as healthy neurophysiological function, demonstrating an individual's ability to adapt and be flexible to the demands of the environment. Conversely, decreased HRV is demonstrative of an individual's reduced ability to respond flexibly to their environment. Investigating the impact of persistent concussion symptoms on HRV has the potential to enhance our understanding of autonomic nervous system functioning in the chronic phases of this injury for an understudied population.
The specific objectives are to: (1) adapt the MBY intervention protocol to suit the unique needs of youth with mTBI (i.e. safety, fatigue), (2) collect data on the impact of MBY on HRV, self-efficacy and participation, (3) describe changes in HRV, self-efficacy and participation associated with MBY across pre-intervention, post-intervention and 3 months following intervention, (4) identify if post concussion symptoms change (i.e. increase or decrease) following MBY and (5) identify if changes in post concussion symptoms occur with changes in HRV, self-efficacy and participation.
調査の概要
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
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Ontario
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Toronto、Ontario、カナダ、M4G 1R8
- Holland Bloorview Kids Rehabilitation Hopsital
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- Youth between 13-18 years old;
- Persistent concussion symptoms greater than 1 month.
Exclusion Criteria:
- Less than 13 years old or greater than 18 years old;
- Non-English speaking;
- Severe (unmanaged) psychiatric diagnosis;
- Neurological disease;
- Diagnosed cardiac issues.
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:処理
- 割り当て:なし
- 介入モデル:単一グループの割り当て
- マスキング:なし(オープンラベル)
武器と介入
参加者グループ / アーム |
介入・治療 |
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実験的:Mindfulness-based Yoga Arm
8-week period, 1x/week for 45-60 minutes/session.
Sessions 1-2: Participants instructed to focus their attention on their breath, and the physical sensations in their bodies while holding the yoga postures, to develop sustained and focused attention.
Sessions 3-4: exploring the sensorial qualities of physical sensation in the body whether pleasant or unpleasant and to notice thoughts and label them (e.g., "planning", "remembering"), and to the same with emotions (e.g., "worry", "frustration", "fear") to practice disengaging from automatic associative thinking.
Session 6-8: Instructor will guide participants to allow sensations of discomfort or effort to be as they are and to bring awareness to automatic patterns of reactivity.
The goal is to foster distress tolerance, provide opportunities for participants to practice self-care, and allow an opportunity to observe and respond skillfully, instead of react automatically, to unpleasant stimuli (sensations, emotions).
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
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Change in Children's Assessment of Participation and Employment (CAPE) from pre-intervention to 3 month follow-up
時間枠:Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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Participants are asked to complete the 55-item questionnaire and answer questions about an activity based on five dimensions of participation: diversity (number of activities done), intensity, (with whom the youth does an activity with), where (they do it) and enjoyment of activities (King et al., 2007).
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Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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Change in Self-Efficacy Questionnaire for Children (SEQ-C) from pre-intervention to 3 month follow-up
時間枠:Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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Participants are asked to rate their perceived ability to accomplish a task between 1 (not at all) to 5 (very well).
The questions cover three domains of self-efficacy, namely social, academic and emotional.
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Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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Change in Heart rate variability from pre-intervention to 3 month follow-up
時間枠:Pre-intervention, during each of the 8 weeks of mindfulness-based yoga (for 24 hours starting at 6PM when each of the yoga sessions begins until 6PM the following day), post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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Time (seconds) of beat-to-beat intervals, measured over a 24 hour recording
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Pre-intervention, during each of the 8 weeks of mindfulness-based yoga (for 24 hours starting at 6PM when each of the yoga sessions begins until 6PM the following day), post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
---|---|---|
Post-Concussion Symptom Inventory (PCSI)
時間枠:Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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It is a 21-item self-report measure where symptom severity is rated on a scale of 0 to 6 (0= not at all, 3= moderate, 6=severe) for symptoms that occur within physical, cognitive, fatigue and emotional domains
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Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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Godin Leisure-Time Exercise Questionnaire (GLTE)
時間枠:Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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It is a self-report measure that assesses weekly physical activity engagement by asking participants to indicate how many times per week they engage in strenuous (heart beats rapidly), moderate (not exhausting) or mild exercise (minimal effort).
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Pre-intervention, post-intervention (within 1 week following 8-week intervention), 3 month follow-up
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協力者と研究者
捜査官
- 主任研究者:Nick Reed, MScOT, PhD、Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital
出版物と役立つリンク
一般刊行物
- Moore CG, Carter RE, Nietert PJ, Stewart PW. Recommendations for planning pilot studies in clinical and translational research. Clin Transl Sci. 2011 Oct;4(5):332-7. doi: 10.1111/j.1752-8062.2011.00347.x.
- Zemek RL, Farion KJ, Sampson M, McGahern C. Prognosticators of persistent symptoms following pediatric concussion: a systematic review. JAMA Pediatr. 2013 Mar 1;167(3):259-65. doi: 10.1001/2013.jamapediatrics.216.
- Heart rate variability. Standards of measurement, physiological interpretation, and clinical use. Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Eur Heart J. 1996 Mar;17(3):354-81. No abstract available.
- Galantino ML, Galbavy R, Quinn L. Therapeutic effects of yoga for children: a systematic review of the literature. Pediatr Phys Ther. 2008 Spring;20(1):66-80. doi: 10.1097/PEP.0b013e31815f1208.
- Leddy JJ, Kozlowski K, Fung M, Pendergast DR, Willer B. Regulatory and autoregulatory physiological dysfunction as a primary characteristic of post concussion syndrome: implications for treatment. NeuroRehabilitation. 2007;22(3):199-205.
- Conder RL, Conder AA. Heart rate variability interventions for concussion and rehabilitation. Front Psychol. 2014 Aug 13;5:890. doi: 10.3389/fpsyg.2014.00890. eCollection 2014.
- Blechert J, Michael T, Grossman P, Lajtman M, Wilhelm FH. Autonomic and respiratory characteristics of posttraumatic stress disorder and panic disorder. Psychosom Med. 2007 Dec;69(9):935-43. doi: 10.1097/PSY.0b013e31815a8f6b. Epub 2007 Nov 8.
- Hofmann SG, Sawyer AT, Witt AA, Oh D. The effect of mindfulness-based therapy on anxiety and depression: A meta-analytic review. J Consult Clin Psychol. 2010 Apr;78(2):169-83. doi: 10.1037/a0018555.
- Azulay J, Smart CM, Mott T, Cicerone KD. A pilot study examining the effect of mindfulness-based stress reduction on symptoms of chronic mild traumatic brain injury/postconcussive syndrome. J Head Trauma Rehabil. 2013 Jul-Aug;28(4):323-31. doi: 10.1097/HTR.0b013e318250ebda.
- Belanger HG, Kretzmer T, Vanderploeg RD, French LM. Symptom complaints following combat-related traumatic brain injury: relationship to traumatic brain injury severity and posttraumatic stress disorder. J Int Neuropsychol Soc. 2010 Jan;16(1):194-9. doi: 10.1017/S1355617709990841. Epub 2009 Sep 17.
- Abaji JP, Curnier D, Moore RD, Ellemberg D. Persisting Effects of Concussion on Heart Rate Variability during Physical Exertion. J Neurotrauma. 2016 May 1;33(9):811-7. doi: 10.1089/neu.2015.3989. Epub 2015 Oct 8.
- Deshpande S, Nagendra HR, Nagarathna R. A randomized control trial of the effect of yoga on Gunas (personality) and Self esteem in normal healthy volunteers. Int J Yoga. 2009 Jan;2(1):13-21. doi: 10.4103/0973-6131.43287.
- Jonsson C, Andersson EE. Mild traumatic brain injury: a description of how children and youths between 16 and 18 years of age perform leisure activities after 1 year. Dev Neurorehabil. 2013;16(1):1-8. doi: 10.3109/17518423.2012.704955. Epub 2012 Oct 3.
- King GA, Law M, King S, Hurley P, Hanna S, Kertoy M, Rosenbaum P. Measuring children's participation in recreation and leisure activities: construct validation of the CAPE and PAC. Child Care Health Dev. 2007 Jan;33(1):28-39. doi: 10.1111/j.1365-2214.2006.00613.x.
- Macpherson A, Fridman L, Scolnik M, Corallo A, Guttmann A. A population-based study of paediatric emergency department and office visits for concussions from 2003 to 2010. Paediatr Child Health. 2014 Dec;19(10):543-6. doi: 10.1093/pch/19.10.543.
- McCrory P, Meeuwisse W, Aubry M, Cantu B, Dvorak J, Echemendia R, Engebretsen L, Johnston K, Kutcher J, Raftery M, Sills A, Benson B, Davis G, Ellenbogen R, Guskiewicz K, Herring SA, Iverson G, Jordan B, Kissick J, McCrea M, McIntosh A, Maddocks D, Makdissi M, Purcell L, Putukian M, Schneider K, Tator C, Turner M. Consensus statement on Concussion in Sport - The 4th International Conference on Concussion in Sport held in Zurich, November 2012. Phys Ther Sport. 2013 May;14(2):e1-e13. doi: 10.1016/j.ptsp.2013.03.002. No abstract available.
- Reed N, Murphy J, Dick T, Mah K, Paniccia M, Verweel L, Dobney D, Keightley M. A multi-modal approach to assessing recovery in youth athletes following concussion. J Vis Exp. 2014 Sep 25;(91):51892. doi: 10.3791/51892.
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- BloorviewKR_MBY
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