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A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4.
Neurosurg Focus 2012; 33(6):E3: 1-7NF

Abstract

OBJECT

The aim of this study was to investigate the effect of repetitive head impacts on white matter integrity that were sustained during 1 Canadian Interuniversity Sports (CIS) ice hockey season, using advanced diffusion tensor imaging (DTI).

METHODS

Twenty-five male ice hockey players between 20 and 26 years of age (mean age 22.24 ± 1.59 years) participated in this study. Participants underwent pre- and postseason 3-T MRI, including DTI. Group analyses were performed using paired-group tract-based spatial statistics to test for differences between preseason and postseason changes.

RESULTS

Tract-based spatial statistics revealed an increase in trace, radial diffusivity (RD), and axial diffusivity (AD) over the course of 1 season. Compared with preseason data, postseason images showed higher trace, AD, and RD values in the right precentral region, the right corona radiata, and the anterior and posterior limb of the internal capsule. These regions involve parts of the corticospinal tract, the corpus callosum, and the superior longitudinal fasciculus. No significant differences were observed between preseason and postseason for fractional anisotropy.

CONCLUSIONS

Diffusion tensor imaging revealed changes in white matter diffusivity in male ice hockey players over the course of 1 season. The origin of these findings needs to be elucidated.

Authors+Show Affiliations

Psychiatry Neuroimaging Laboratory, Brigham and Women’s Hospital, Harvard University, Boston, Massachusetts, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23199426

Citation

Koerte, Inga K., et al. "A Prospective Study of Physician-observed Concussion During a Varsity University Hockey Season: White Matter Integrity in Ice Hockey Players. Part 3 of 4." Neurosurgical Focus, vol. 33, no. 6, 2012, pp. E3: 1-7.
Koerte IK, Kaufmann D, Hartl E, et al. A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4. Neurosurg Focus. 2012;33(6):E3: 1-7.
Koerte, I. K., Kaufmann, D., Hartl, E., Bouix, S., Pasternak, O., Kubicki, M., ... Shenton, M. E. (2012). A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4. Neurosurgical Focus, 33(6), pp. E3: 1-7. doi:10.3171/2012.10.FOCUS12303.
Koerte IK, et al. A Prospective Study of Physician-observed Concussion During a Varsity University Hockey Season: White Matter Integrity in Ice Hockey Players. Part 3 of 4. Neurosurg Focus. 2012;33(6):E3: 1-7. PubMed PMID: 23199426.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4. AU - Koerte,Inga K, AU - Kaufmann,David, AU - Hartl,Elisabeth, AU - Bouix,Sylvain, AU - Pasternak,Ofer, AU - Kubicki,Marek, AU - Rauscher,Alexander, AU - Li,David K B, AU - Dadachanji,Shiroy B, AU - Taunton,Jack A, AU - Forwell,Lorie A, AU - Johnson,Andrew M, AU - Echlin,Paul S, AU - Shenton,Martha E, PY - 2012/12/4/entrez PY - 2012/12/4/pubmed PY - 2013/5/23/medline SP - E3: 1-7 JF - Neurosurgical focus JO - Neurosurg Focus VL - 33 IS - 6 N2 - OBJECT: The aim of this study was to investigate the effect of repetitive head impacts on white matter integrity that were sustained during 1 Canadian Interuniversity Sports (CIS) ice hockey season, using advanced diffusion tensor imaging (DTI). METHODS: Twenty-five male ice hockey players between 20 and 26 years of age (mean age 22.24 ± 1.59 years) participated in this study. Participants underwent pre- and postseason 3-T MRI, including DTI. Group analyses were performed using paired-group tract-based spatial statistics to test for differences between preseason and postseason changes. RESULTS: Tract-based spatial statistics revealed an increase in trace, radial diffusivity (RD), and axial diffusivity (AD) over the course of 1 season. Compared with preseason data, postseason images showed higher trace, AD, and RD values in the right precentral region, the right corona radiata, and the anterior and posterior limb of the internal capsule. These regions involve parts of the corticospinal tract, the corpus callosum, and the superior longitudinal fasciculus. No significant differences were observed between preseason and postseason for fractional anisotropy. CONCLUSIONS: Diffusion tensor imaging revealed changes in white matter diffusivity in male ice hockey players over the course of 1 season. The origin of these findings needs to be elucidated. SN - 1092-0684 UR - https://www.unboundmedicine.com/medline/citation/23199426/A_prospective_study_of_physician_observed_concussion_during_a_varsity_university_hockey_season:_white_matter_integrity_in_ice_hockey_players__Part_3_of_4_ L2 - https://thejns.org/doi/10.3171/2012.10.FOCUS12303 DB - PRIME DP - Unbound Medicine ER -