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Abstract
Objective: We investigated difference of injury of the corticospinal tract (CST) according to surgical or conservative treatment in patients with putaminal hemorrhage (PH), using diffusion tensor tractography (DTT). Methods: Forty-six patients with PH (hematoma volume on the brain CT: 20–40 ml) were recruited. Patients were classified as the surgical treatment group and the conservative treatment group. The hematoma volume on the initial brain CT (median 2 hours after onset; range 1–14 hours) and volumes of the hematoma, the total lesion and the peri-hematomal edema volume on the follow-up brain magnetic resonance imaging (MRI) (median 23.5 days after onset; range 12–46 days) were estimated. Diffusion tensor imaging was performed and we defined the injury of the CST in terms of the configuration or abnormal DTT parameters. Results: In the conservative treatment group, the total lesion volume on the brain MRI was increased compared with the hematoma volume on the initial brain CT (p < 0.05). On brain MRI, the hematoma volume, peri-hematomal edema volume, and total lesion volume were larger in the conservative treatment group than in the surgical treatment group (p < 0.05). Twelve patients (60%) in the surgical treatment group and 24 patients (92%) in the conservative treatment group had injury of the CST. Conclusion: Injury of the CST was less prevalent in the surgical treatment group than in the conservative treatment group in patients with PH. Therefore, it appears that surgical treatment could be helpful in prevention of injury of the CST in patients with PH.
Acknowledgements
This work was supported by the DGIST R&D Program of the Ministry of Science, ICT and Future Planning (15-BD-0401).
Disclosure statement
No potential conflict of interest was reported by the authors.