Journal of sport rehabilitation · 2024
Multimodal Assessment Battery and Heart Rate Variability Enhance Clinical Utility of Buffalo Concussion Treadmill Test.
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Miner Daniel, Shiraishi Michael, Gibbons Pamela, Soangra Rahul, Harper Brent
Аннотация
CONTEXT: The Buffalo Concussion Treadmill Test (BCTT) for exercise intolerance following concussion may highlight underlying autonomic dysfunction. Autonomic function at rest and with exertion may be predictive of neurocognitive performance for individuals with sports-related concussion. The purpose of this study is to explore the feasibility and utility of combining multimodal assessments with heart rate variability (HRV) measures during the BCTT for individuals with a remote history of concussion.
DESIGN: Prospective cohort study design, pretest/posttest.
METHODS: Participants included 5 males and 5 females (N = 10, age: 25.2 [3.3] y old, height: 173.2 [11.2] cm, mass: 73.4 [13.7] kg, body mass index: 24.5 [3.9], time since last concussion of 6.3 [4.5] y). All participants completed the multimodal assessment battery including: Concentration Reverse Digits (6 digits), Stroop Incongruent, and King-Devick Test under single- (seated) and dual-task conditions (walking on treadmill at 2.0 mph, 0% incline). Heart rate and HRV was collected at rest, during the BCTT, and during postexercise recovery. HRV data were processed and analyzed based on established protocols. Paired t tests were performed for pre- and postmeasurements separately for single- and dual-task tests of the multimodal assessment battery and HRV indices.
RESULTS: During the BCTT, HRV indices reflective of peripheral nervous system activity demonstrated a significant reduction with concomitant increase in HRV indices of sympathetic nervous system activity (P < .05). Recovery in these HRV indices toward baseline was observed during postexercise recovery. Neurocognitive performance on the Stroop task significantly improved with exercise (P < .05).
CONCLUSION: Implementation of multimodal assessments to evaluate physiological and neurocognitive responses to exercise in individuals with history of sports-related concussion is feasible. Addition of these objective measures may decrease reliance on self-reporting of exercise-induced symptom exacerbation, enabling clinicians to identify individuals whose neurocognitive performance or physiologic response to exercise on the BCTT deviates from the expected.
DESIGN: Prospective cohort study design, pretest/posttest.
METHODS: Participants included 5 males and 5 females (N = 10, age: 25.2 [3.3] y old, height: 173.2 [11.2] cm, mass: 73.4 [13.7] kg, body mass index: 24.5 [3.9], time since last concussion of 6.3 [4.5] y). All participants completed the multimodal assessment battery including: Concentration Reverse Digits (6 digits), Stroop Incongruent, and King-Devick Test under single- (seated) and dual-task conditions (walking on treadmill at 2.0 mph, 0% incline). Heart rate and HRV was collected at rest, during the BCTT, and during postexercise recovery. HRV data were processed and analyzed based on established protocols. Paired t tests were performed for pre- and postmeasurements separately for single- and dual-task tests of the multimodal assessment battery and HRV indices.
RESULTS: During the BCTT, HRV indices reflective of peripheral nervous system activity demonstrated a significant reduction with concomitant increase in HRV indices of sympathetic nervous system activity (P < .05). Recovery in these HRV indices toward baseline was observed during postexercise recovery. Neurocognitive performance on the Stroop task significantly improved with exercise (P < .05).
CONCLUSION: Implementation of multimodal assessments to evaluate physiological and neurocognitive responses to exercise in individuals with history of sports-related concussion is feasible. Addition of these objective measures may decrease reliance on self-reporting of exercise-induced symptom exacerbation, enabling clinicians to identify individuals whose neurocognitive performance or physiologic response to exercise on the BCTT deviates from the expected.