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Englander ZA, Pizoli CE, Batrachenko A, et al. Diffuse reduction of white matter connectivity in cerebral palsy with specific vulnerability of long range fiber tracts. Neuroimage Clin. 2013;2:440-7doi: 10.1016/j.nicl.2013.03.006.
Englander, Z. A., Pizoli, C. E., Batrachenko, A., Sun, J., Worley, G., Mikati, M. A., Kurtzberg, J., & Song, A. W. (2013). Diffuse reduction of white matter connectivity in cerebral palsy with specific vulnerability of long range fiber tracts. NeuroImage. Clinical, 2440-7. https://doi.org/10.1016/j.nicl.2013.03.006
Englander, Zoë A, et al. "Diffuse reduction of white matter connectivity in cerebral palsy with specific vulnerability of long range fiber tracts." NeuroImage. Clinical vol. 2 (2013): 440-7. doi: https://doi.org/10.1016/j.nicl.2013.03.006
Englander ZA, Pizoli CE, Batrachenko A, Sun J, Worley G, Mikati MA, Kurtzberg J, Song AW. Diffuse reduction of white matter connectivity in cerebral palsy with specific vulnerability of long range fiber tracts. Neuroimage Clin. 2013 Mar 22;2:440-7. doi: 10.1016/j.nicl.2013.03.006. eCollection 2013. PMID: 24179798; PMCID: PMC3777769.
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Neuroimage Clin. 2013 Mar 22;2:440-7. doi: 10.1016/j.nicl.2013.03.006. eCollection 2013.

Diffuse reduction of white matter connectivity in cerebral palsy with specific vulnerability of long range fiber tracts.

NeuroImage. Clinical

Zoë A Englander, Carolyn E Pizoli, Anastasiya Batrachenko, Jessica Sun, Gordon Worley, Mohamad A Mikati, Joanne Kurtzberg, Allen W Song

Affiliations

  1. Brain Imaging and Analysis Center, Duke University Medical Center, USA.

PMID: 24179798 PMCID: PMC3777769 DOI: 10.1016/j.nicl.2013.03.006

Abstract

Cerebral palsy (CP) is a heterogeneous group of non-progressive motor disorders caused by injury to the developing fetal or infant brain. Although the defining feature of CP is motor impairment, numerous other neurodevelopmental disabilities are associated with CP and contribute greatly to its morbidity. The relationship between brain structure and neurodevelopmental outcomes in CP is complex, and current evidence suggests that motor and developmental outcomes are related to the spatial pattern and extent of brain injury. Given that multiple disabilities are frequently associated with CP, and that there is increasing burden of neurodevelopmental disability with increasing motor severity, global white matter (WM) connectivity was examined in a cohort of 17 children with bilateral CP to test the hypothesis that increased global WM damage will be seen in the group of severely affected (Gross Motor Function Classification Scale (GMFCS) level of IV) as compared to moderately affected (GMFCS of II or III) individuals. Diffusion tensor tractography was performed and the resulting fibers between anatomically defined brain regions were quantified and analyzed in relation to GMFCS levels. Overall, a reduction in total WM connectivity throughout the brain in severe versus moderate CP was observed, including but not limited to regions associated with the sensorimotor system. Our results also show a diffuse and significant reduction in global inter-regional connectivity between severity groups, represented by inter-regional fiber count, throughout the brain. Furthermore, it was also observed that there is a significant difference (p = 0.02) in long-range connectivity in patients with severe CP as compared to those with moderate CP, whereas short-range connectivity was similar between groups. This new finding, which has not been previously reported in the CP literature, demonstrates that CP may involve distributed, network-level structural disruptions.

Keywords: Cerebral palsy; Diffusion tensor imaging; Network disruption; Structural connectome; Tractography

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