Research & Clinical Trials

Recent Concussion Publications

Day-of-Injury Assessment and Initial Diagnostics

Hänninen, T., Tuominen, M., Parkkari, J., Vartiainen, M., Öhman, J., Iverson, G.L., and Luoto, T.M. (2015). Sport concussion assessment tool - 3rd edition - normative reference values for professional ice hockey players. Journal of Science and Medicine in Sport, S1440-2440(15)00177-2. 

 

Vartiainen, M.V., Holm, A., Peltonen, K., Luoto, T. M., Iverson, G.L., Hokkanen, L. (2015). King-Devick test normative reference values for professional male ice hockey players. Scandinavian Journal of Medicine and Science in Sports. 25 (3):e327-30.

 

Ivins, B.J., Lange, R. T., Cole, W. R., Kane, R., Schwab, K. A., & Iverson, G.L. (2015). Using Base Rates of Low Scores to Interpret the ANAM4 TBI-MIL Battery following Mild Traumatic Brain Injury. Archives of Clinical Neuropsychology, 30 (1), 26-38.

 

Luoto, T. M., Iverson, G. L., Losoi, H., Wäljas, M., Tenovuo, O., Kataja, A., Brander, A., & Öhman, J. (2015). Clinical Correlates of Retrograde Amnesia in Mild Traumatic Brain Injury. Brain Injury, 29(5):565-572

 

Luoto, T.M., Silverberg, N.D., Kataja, A., Brander, A., Tenovuo, O., Ohman, J., & Iverson, G.L. (2014). Sport Concussion Assessment Tool 2 (SCAT2) in a civilian trauma sample with mild traumatic brain injury. Journal of Neurotrauma, 31, 8, 728-738.

 

Silverberg, N. D., Luoto, T. M., Öhman, J., & Iverson, G. L. (2014). Assessment of mild traumatic brain injury with the King-Devick Test® in an emergency department sample. Brain Injury. Aug 5, [Epub ahead of print].

 

McCrea, M., Iverson, G.L., Echemendia, R., Makdissi, M., & Raftery, M. (2013). Day of injury assessment of sport-related concussion. British Journal of Sports Medicine, 47, 272-284.

 

McCrory, P., Echemendia, R.J., Meeuwisse, W.H., Iverson, G.L., DvoÅ™ák, J., & Kutcher, J.S. (2013). What is the lowest threshold to make a diagnosis of concussion? British Journal of Sports Medicine, 47, 268-271. 

 

Video Analysis of Injuries

Gardner, A.J., Iverson, G.L., Stanwell, P., Moore, T., Ellis, J., Levi, C.R. (2016). A Video Analysis of Use of the New 'Concussion Interchange Rule' in the National Rugby League. International Journal of Sports Medicine, 37(4):267-73.

 

Gardner A.J., Iverson G.L., Quinn T.N., Makdissi M., Levi C.R., Shultz S.R., Wright D.K., Stanwell P. (2015). A preliminary video analysis of concussion in the National Rugby League. Brain Injury, 29(10), 1182-1185.

 

Biopsychosocial Outcome from Mild Traumatic Brain Injury

Wäljas, M., Lange, R.T., Dastidar, P., Huhtala, H., Liimatainen, S., Hartikainen, K., & Öhman, J., Iverson, G.L. (2015). A Prospective Biopsychosocial Study of the Persistent Post-Concussion Symptoms Following Mild Traumatic Brain Injury. Journal of Neurotrauma, 32 (8):534-47.

 

Losoi H., Silverberg N.D., Wäljas M., Turunen S., Rosti-Otajärvi E., Helminen M., Luoto T.M., Julkunen J., Öhman J., Iverson G.L. (2015). Resilience Is Associated with Outcome from Mild Traumatic Brain Injury. Journal of Neurotrauma, 32 (13), 942-949.

 

Isokuortti H.T., Iverson G.L., Kataja A., Brander A., Öhman J., Luoto T.M. (2015). Who GetsHead Trauma or Recruited in Mild Traumatic Brain Injury Research? Journal of Neurotrauma. 2015 Jun 9. [Epub ahead of print].

 

Storzbach D., O'Neil M.E., Roost S.M., Kowalski H., Iverson G.L., Binder L.M., Fann J.R., Huckans M. (2015). Comparing the Neuropsychological Test Performance of Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) Veterans with and without Blast Exposure, Mild Traumatic Brain Injury, and Posttraumatic Stress Symptoms. Journal of the International Neuropsychological Society. 2015 Jun 1:1-11.

 

Waljas, M., Lange, R.T., Hakulinen, U., Huhtala, H., Dastidar, P., Hartikainen, K., Ohman, J., & Iverson, G.L. (2014). Biopsychosocial outcome following uncomplicated mild traumatic brain injury. Journal of Neurotrauma, 31, 108-124.

 

ljas, M., Iverson, G.L., Lange, R.T., Liimatainen, S., Hartikainen, K., Dastidar, P., Soimakallio, S., Öhman, J. (2014). Return to work following mild traumatic brain injury. Journal of Head Trauma Rehabilitation, <29(5), 443-450.

 

Lange, R. T., Shewchuk, J.R., Rauscher, A., Jarrett, M., Heran, M.K.S., Brubacher, J.R., & Iverson, G. L. (2014). A Prospective Study of the Influence of Acute Alcohol Intoxication versus Chronic Alcohol Consumption on Outcome following Traumatic Brain Injury. Archives of Clinical Neuropsychology, 29, 478-495.

 

Silverberg, N., Gardner, A.J., Brubacher, J., Panenka, W., Li, J.J., Iverson, G.L. (2014). Systematic review of multivariable prognostic models for mild traumatic brain injury. Journal of Neurotrauma. September 15, Epub ahead of print.

 

Genetics

Dretsch, M., Silverberg, N.D., Gardner, A., Panenka, W., Emmerich, T., Crynen, G., Ait-Ghenzala, G., Chaytow, H., Mathura, V., Crawford, F.C., Iverson, G.L. (2016) Genetics and Other Risk Factors for Past Concussions in Active-Duty Soldiers. Journal of Neurotrauma. [Epub ahead of print]

 

Dretsch, M. N., Williams, K., Emmerich, T., Crynen, G., Ait-Ghezala, G., Chaytow, H., Mathura, V., Crawford, F.C., Iverson, G.L. (2015). Association of BDNF Polymorphisms, Traumatic Stress, Mild Traumatic Brain Injury, and Combat Exposure with PTSD in Deployed U.S. Soldiers. Brain and Behavior. 6(1):e00392

 

Role of Rest and Active Rehabilitation

Silverberg, N.D., Iverson, G.L., McCrea, M., Apps, J.N., Hammeke, T., & Thomas, D.G. (in press). Activity-Related Symptom Exacerbations after Pediatric Concussion. JAMA Pediatrics.

 

DiFazio, M., Silverberg, N.D., Kirkwood, M.W., Bernier, R., & Iverson, G.L. (2015). Prolonged Activity Restriction After Concussion: Are We Worsening Outcomes? Clinical Pediatrics, 2015 Jun 29. pii: 0009922815589914. [Epub ahead of print] 

 

Gagnon, I., Grilli, L., Friedman, D., & Iverson, G. L. (2015). A pilot study of active rehabilitation for adolescents who are slow to recover from sport-related concussion. Scandinavian Journal of Medicine and Science in Sports. [Epub ahead of print] 

 

Iverson, GL (2015). Rest Following Sport-Related Concussion. In R. Echemendia and GL Iverson (Editors), Oxford Handbook of Sport-Related Concussion.

 

Moser, R. S., Schatz P., Glenn, M., Kollias, K. E., & Iverson, G. L. (2015). Examining Prescribed Rest as Treatment for Adolescents who are Slow to Recover from Concussion. Brain Injury, 29(1):58-63.

 

Reed, N., Greenspoon, D., Iverson, G.L., DeMatteo, C., Fait, P., Gauvin-Lepage, J., Hunt, A., and Gagnon, I.J. (2015). Management of persistent postconcussion symptoms in youth: a randomised control trial protocol. BMJ Open. 2015 Jul 31;5(7):e008468. 

 

Schneider, K.J., Iverson, G.L., Emery, C.A., McCrory, P., Herring, S.A., & Meeuwisse, W.H. (2013). The effects of rest and treatment following sport-related concussion: A systematic review of the literature. British Journal of Sports Medicine, 47, 304-307.

 

Multiple Concussions

Brooks, B.L., Mannix, R., Maxwell, B., Zafonte, R., Berkner, P.D., & Iverson, G.L. (in press). Multiple Past Concussions in High School Football Players. American Journal of Sports Medicine.

 

Wojtowicz, M., Iverson, G.L., Silverberg, N.D., Mannix, R., Zafonte, R.D., Maxwell, B., Berkner, P.D. (2016). Consistency of Self-reported Concussion History in Adolescent Athletes. Journal of Neurotrauma. [Epub ahead of print]

 

Iverson, G.L., Wojtowicz, M., Brooks, B.L., Maxwell, B.A., Atkins, J.E., Zafonte, R., & Berkner, P.D. (in press). High School Athletes with Attention-Deficit Hyperactivity Disorder and Learning Difficulties Have a Greater Lifetime Concussion History. Journal of Attention Disorders.

 

Dretsch M.N., Silverberg N.D., Iverson G.L. (2015). Multiple Past Concussions Are Associated with Ongoing Post-Concussive Symptoms but Not Cognitive Impairment in Active-Duty Army Soldiers. Journal of Neurotrauma, 32(17):1301-1306.

 

Iverson, G. L., Atkins, J. E., Zafonte, R. & Berkner, P. D. (2014). Concussion History in Adolescent Athletes with Attention-Deficit Hyperactivity Disorder. Journal of Neurotrauma. Nov 6, 2014 [Epub ahead of print].

 

Mannix, R., Iverson, G.L., Maxwell, B., Atkins, J.E., Zafonte, R., & Berkner, P.D. (2014). Multiple Prior Concussions are Associated with Symptoms in High School Athletes. Annals of Clinical and Translational Neurology, 1(6): 433-438.

 

Improving Assessment Methods: Cognition, Symptoms, and Balance

Silverberg, N.D., Crane, P.K., Dams-O'Connor, K., Holdnack, J., Ivins, B.J., Lange, R.T., Manley, G.T., McCrea, M., Iverson, G.L. (2016). Developing a Cognition Endpoint for Traumatic Brain Injury Clinical Trials. Journal of Neurotrauma. [Epub ahead of print]

 

Belanger, H.G., Lange, R.T., Bailie, J., Iverson, G.L., Arrieux, J.P., Ivins, B.J., Cole, W.R. (2016). Interpreting change on the neurobehavioral symptom inventory and the PTSD checklist in military personnel. The Clinical Neuropsychologist.[Epub ahead of print]

 

Silverberg, N.D., Berkner, P.D., Atkins, J.E., Zafonte, R., & Iverson, G.L. (2015). Relationship between low sleep quality and preseason concussion testing. Clinical Journal of Sports Medicine, 2015 Aug 4. [Epub ahead of print]

 

Iverson, G.L., Silverberg, N.D., Mannix, R., Maxwell, B.A., Atkins, J.E., Zafonte, R., & Berkner, P.D. (2015). Factors Associated with Concussion-Like Symptom Reporting in High School Athletes. JAMA Pediatrics, 169(12):1132-1140.

 

Brooks B.L., Iverson G.L., Atkins J.E., Zafonte R., Berkner P.D. (2015). Sex Differences and Self-Reported Attention Problems During Baseline Concussion Testing. Applied Neuropsychology- Child. 2015 Apr 29:1-8. [Epub ahead of print].

 

Iverson G.L., & Schatz, P. (2015). Advanced Topics in Neuropsychological Assessment Following Sport-Related Concussion. Brain Injury, 29 (2), 263-275.

 

Ritchie, L.J., Mrazik, M., Alfano, D.P., Chase, D., Comper, P., Czarnota, M., Garcia-Barrera, M.A., Iverson, G.L., Maclean, M., Mendella, P., & Williams, T. (2015). The role of neuropsychology in the management of youth concussion in Canada. Current Research: Concussion, 2(1): 8-10.

 

Echemendia, R.J., Iverson, G.L., McCrea, M., Macciocchi, S.A., Gioia, G.A., Putukian, M., & Comper, P. (2013). Advances in neuropsychological assessment of sport-related concussion. British Journal of Sports Medicine, 47, 294-298.

 

McCrea, M., Iverson, G.L., Echemendia, R., Makdissi, M., & Raftery, M. (2013). Day of injury assessment of sport-related concussion. British Journal of Sports Medicine, 47, 272-284.

 

Brain Imaging and Biomarkers

Gardner A.J., Tan C.O., Ainslie P.N., van Donkelaar P., Stanwell P., Levi C.R., Iverson G.L. (2015). Cerebrovascular reactivity assessed by transcranial Doppler ultrasound in sport-related concussion: a systematic review. British Journal of Sports Medicine, 49 (16):1050-1055.

 

Lange, R. T., Panenka, W. J., Shewchuk, J. R., Heran, M. K. S., Brubacher, J. R., Bioux, S., Eckbo, R., Shenton, M. E., & Iverson, G. L. (2015). Diffusion Tensor Imaging Findings and Postconcussion Symptom Reporting Six-Weeks Following Mild Traumatic Brain Injury. Archives of Clinical Neuropsychology, 30 (1), 7-25.

 

Panenka W.J., Lange R.T., Bouix S., Shewchuk J.R., Heran M.K., Brubacher J.R., Eckbo R., Shenton M.E., Iverson G.L. (2015). Neuropsychological outcome and diffusion tensor imaging in complicated versus uncomplicated mild traumatic brain injury. PLoS One, 10 (4):e0122746.

 

Marsden, K. R., Strachan, N. C., Monteleone, B. J., Ainslie, P. N., Iverson, G. L., & van Donkelaar, P. (2015). The relationship between exercise-induced increases in cerebral perfusion and headache exacerbation following sport-related concussion: A preliminary study. Current Research: Concussion, 2(1): 17-21.

 

Gardner, A, Iverson, GL, van Donkelaar, P, & Ainslie, PN (2015). Magnetic Resonance Spectroscopy, Diffusion Tensor Imaging, and Transcranial Doppler Ultrasound Following Sport-Related Concussion. In R. Echemendia and GL Iverson (Editors), Oxford Handbook of Sport-Related Concussion.

 

Gardner, A., Iverson, G.L., & Stanwell, P. (2014). A Systematic Review of Proton Magnetic Resonance Spectroscopy Findings in Sport-Related Concussion. Journal of Neurotrauma, 31, 1-18.

 

Tan, C.O., Meehan, W., Iverson, G.L., & Taylor, J.A. (2014). Cerebrovascular Regulation, Exercise, and Mild Traumatic Brain Injury. Neurology, 83(18):1665-72.

 

Isokuortti, H, Luoto, TM, Kataja, A, Brander, A, Siironen, J, Liimatainen, S, Iverson, GL, Ylinen, A, & Öhman, J(2014). Necessity of Monitoring after Negative Head CT in Acute Head Injury. Injury, 45, 1340-1344.

 

Holli-Helenius K, Luoto TM, Brander A, Wäljas M, Iverson GL, Ohman J. (2014). Structural integrity of medial temporal lobes of patients with acute mild traumatic brain injury. Journal of Neurotrauma, 31, 1153-1160.

 

Ilvesmäki, T, Luoto, TM, Hakulinen, U, Brander, A, Ryymin, P, Eskola, H, Iverson, GL, & Öhman, J (2014). >Acute mild traumatic brain injury is not associated with white matter change on diffusion tensor imaging. Brain, 137, 1876-1882.

 

Reviews and Consensus Statements

Iverson, G.L. & Gioia, G. A. (2016). Returning to School Following Sport-Related Concussion. Physical Medicine and Rehabilitation Clinics of North America, 27(2), 429-436.

 

Gardner, A., Iverson, G.L., Levi, C. R., Schofield, P.W., Kay-Lambkin, F., Kohler, R.M.N., & Stanwell, P. (2015). A systematic review of concussion in Rugby League. British Journal of Sports Medicine, 49 (8):495-498.

 

Gardner, A., Iverson, G.L., Williams, W. H., Baker, S., & Stanwell, P. (2014). A systematic review and meta-analysis of concussion in Rugby Union. Sports Medicine. Aug 20, [Epub ahead of print].

 

McCrory, P., Meeuwisse, W.H., Aubry, M., Cantu, B., Dvorak, J., Echemendia, R.J., Engebretsen, L., Johnston, K., Kutcher, J.S., Raftery, M., Sills, A., Benson, B.W., Davis, G.A., Ellenbogen, R.G., Guskiewicz, K., Herring, S.A., Iverson, G.L., Jordan, B.D., Kissick, J., McCrea, M., McIntosh, A.S., Maddocks, D., Makdissi, M., Purcell, L., Putukian, M., Schneider, K., Tator, C.H., & Turner, M. (2013). Consensus statement on concussion in sport: The 4th international conference on concussion in sport held in Zurich, November 2012. British Journal of Sports Medicine, 47, 250-258.

 

Long-Term Effects and Chronic Traumatic Encephalopathy

Webner D. & Iverson, G.L. (in press). Suicide in Professional American Football Players in the Past 95 Years. Brain Injury.

 

Iverson, G.L., Gardner, A.J., McCrory, P., Zafonte, R., & Castellani, R.J. (2015). A Critical Review of Chronic Traumatic Encephalopathy. Neuroscience & Biobehavioral Reviews, 56, 276-293.

 

Iverson, G.L. (2015). Suicide and Chronic Traumatic Encephalopathy. Journal of Neuropsychiatry and Clinical Neurosciences, 28(1):9-16

 

Castellani R.J., Perry G., Iverson G.L. (2015). Chronic effects of mild neurotrauma: putting the cart before the horse? Journal of Neuropathology and Experimental Neurology, 74 (6), 493-499.

 

Gardner, A., Iverson, G.L., & McCrory, P. (2014). Chronic traumatic encephalopathy in sport: A systematic review. British Journal of Sports Medicine, 48, 84-90.

Iverson, G.L. (2014). Chronic traumatic encephalopathy and risk of suicide in former athletes. British Journal of Sports Medicine, 48, 162-165. 

 

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