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10.3174/ajnr.A5489 http://scihub22266oqcxt.onion/10.3174/ajnr.A5489 29269405/?report=reader!5812786!29269405     free     free     free Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       AJNR+Am+J+Neuroradiol 2018 ; 39 (2): 245-251 Nephropedia Template TP {{tp|p=29269405|t=2018. White Matter Changes Related to Subconcussive Impact Frequency during a Single Season of High School Football |pdf=|usr=}}{{29269405}} gab.com Text White Matter Changes Related to Subconcussive Impact Frequency during a Single Season of High School Football JO: AJNR Am J Neuroradiol http://www.kidney.de/pget.php?&tw=1&pmid=29269405 #FOAvip BACKGROUND AND PURPOSE: The effect of exposing the developing brain of a high school football player to subconcussive impacts during a single season is unknown. The purpose of this pilot study was to use diffusion tensor imaging to assess white matter changes during a single high school football season, and to correlate these changes with impacts measured by helmet accelerometer data and neurocognitive test scores collected during the same period. MATERIALS AND METHODS: Seventeen male athletes (mean age, 16 +/- 0.73 years) underwent MR imaging before and after the season. Changes in fractional anisotropy across the white matter skeleton were assessed with Tract-Based Spatial Statistics and ROI analysis. RESULTS: The mean number of impacts over a 10-g threshold sustained was 414 +/- 291. Voxelwise analysis failed to show significant changes in fractional anisotropy across the season or a correlation with impact frequency, after correcting for multiple comparisons. ROI analysis showed significant (P < .05, corrected) decreases in fractional anisotropy in the fornix-stria terminalis and cingulum hippocampus, which were related to impact frequency. The effects were strongest in the fornix-stria terminalis, where decreases in fractional anisotropy correlated with worsening visual memory. CONCLUSIONS: Our findings suggest that subclinical neurotrauma related to participation in American football may result in white matter injury and that alterations in white matter tracts within the limbic system may be detectable after only 1 season of play at the high school level. Twit Text FOAVip White Matter Changes Related to Subconcussive Impact Frequency during a Single Season of High School Football ????AJNR Am J Neuroradiol http://www.kidney.de/pget.php?&tw=1&pmid=29269405 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=29269405 #FOAvip English Wikipedia <ref>{{Cite pmid|29269405}}</ref> White Matter Changes Related to Subconcussive Impact Frequency during a Single Season of High School Football #MMPMID29269405 Kuzminski SJ; Clark MD; Fraser MA; Haswell CC; Morey RA; Liu C; Choudhury KR; Guskiewicz KM; Petrella JR AJNR Am J Neuroradiol 2018[Feb]; 39 (2): 245-251 PMID29269405show ga BACKGROUND AND PURPOSE: The effect of exposing the developing brain of a high school football player to subconcussive impacts during a single season is unknown. The purpose of this pilot study was to use diffusion tensor imaging to assess white matter changes during a single high school football season, and to correlate these changes with impacts measured by helmet accelerometer data and neurocognitive test scores collected during the same period. MATERIALS AND METHODS: Seventeen male athletes (mean age, 16 +/- 0.73 years) underwent MR imaging before and after the season. Changes in fractional anisotropy across the white matter skeleton were assessed with Tract-Based Spatial Statistics and ROI analysis. RESULTS: The mean number of impacts over a 10-g threshold sustained was 414 +/- 291. Voxelwise analysis failed to show significant changes in fractional anisotropy across the season or a correlation with impact frequency, after correcting for multiple comparisons. ROI analysis showed significant (P < .05, corrected) decreases in fractional anisotropy in the fornix-stria terminalis and cingulum hippocampus, which were related to impact frequency. The effects were strongest in the fornix-stria terminalis, where decreases in fractional anisotropy correlated with worsening visual memory. CONCLUSIONS: Our findings suggest that subclinical neurotrauma related to participation in American football may result in white matter injury and that alterations in white matter tracts within the limbic system may be detectable after only 1 season of play at the high school level. |*Athletes[MESH] |Adolescent[MESH] |Adult[MESH] |Brain Injuries/diagnostic imaging/*etiology/pathology[MESH] |Diffusion Tensor Imaging[MESH] |Football/*injuries[MESH] |Head Injuries, Closed/diagnostic imaging/*etiology/pathology[MESH] |Humans[MESH] |Male[MESH] |Pilot Projects[MESH]White Matter Changes Related to Subconcussive Impact Frequency during (epmc).pdf DeepDyve Pubget Overpricing