Review Article
Diffusion Tensor Imaging Studies on Recovery of Injured Optic Radiation: A Minireview
Table 1
Previous diffusion tensor imaging studies on optic radiation injury recovery.
| | Authors | Publication year | Number of patients | Duration to DTI | Pathology | DTT analysis method & results | Combined assessment |
| | Seghier et al., (2005) | 2005 | 1 | 12 & 20 months | Cerebral infarct | Color map (configuration↑) | fMRI | | Yoshida et al., (2006) | 2006 | 1 | 2 & 9 days and 1 year | Cerebral infarct | DTT
Deterministic algorithm (configuration↑) | fMRI | | Govindan et al., (2007) | 2008 | 10 | Pre- & postsurgery | Occipital lobectomy | ROI on DTI (FA↑) | | | Chen et al., (2010) | 2010 | 10 | Before & after hyperbaric oxygen treatment | Contusion:2
Wounded hemorrhage: 2
Infarction: 4
Inflammation: 2 | ROI on DTI (FA↑)
DTI and DTT
Deterministic algorithm (configuration↑) | fMRI | | Polonara et al., (2011) | 2011 | 1 | Acute phase & 1 month | Cerebral infarct | DTT
Deterministic algorithm (FA↑, configuration↑) | fMRI | | Farbota et al., (2012) | 2012 | 12 | 2 months, 1 & 4 years | Traumatic brain injury | DTI (FA↑: superior longitudinal fasciculus and optic radiation) | Neuropsychological test | | Seo and Jang, (2014) | 2014 | 1 | 1 & 4 weeks | | DTT
Deterministic algorithm (FA-, ADC-, FV↑) | fMRI | | Jang and Lee, (2015) | 2015 | 1 | 2 weeks & 11months | Cerebral infarct | DTT
Deterministic algorithm (transcallosal fibers: configuration↑) | | | Jang and Seo, (2019) | 2019 | 1 | 4 & 5 months | Hypoxic-ischemic brain injury | DTT
Deterministic algorithm (configuration↑) | |
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DTI: diffusion tensor imaging; DTT: diffusion tensor tractography; fMRI: functional magnetic resonance imaging; ROI: region of interest; FA: fractional anisotropy; ADC: apparent diffusion coefficient; FV: fiber voxels. Arrow directions: upward indicates an increase; downward indicates a decrease.
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