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Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain

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Childhood encephalitis: relationship between diffusion abnormalities and clinical outcome.

Alex M Wong¹, Jainn-Jim Lin, Cheng-Hong Toh

¹Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Keelong, Linkou Medical Center and Chang Gung University, 5 Fu-Hsing Street, Kwei-Shan, Tao Yuan, Taiwan, Republic of China, alexmcwchop@yahoo.com.

|October 9, 2014

Summary

Children with encephalitis and lesions with restricted diffusion (LRD) face worse clinical outcomes. Greater LRD extent correlates with poorer outcomes, highlighting diffusion restriction as a key prognostic factor.

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Published on: March 26, 2019

Area of Science:

Pediatric Neurology
Neuroradiology
Infectious Diseases

Background:

The prognostic significance of restricted diffusion in childhood encephalitis remains understudied.
This study investigates the association between lesions with restricted diffusion (LRD) and clinical outcomes in pediatric encephalitis patients.

Purpose of the Study:

To determine if LRD in childhood encephalitis predicts worse clinical outcomes.
To evaluate the correlation between the extent of MRI abnormalities and patient outcomes.

Main Methods:

Retrospective review of MRI studies in 83 children diagnosed with encephalitis.
Development of an MRI scoring system (0-12) using FLAIR imaging to quantify abnormality extent.
Assessment of clinical outcomes using the Glasgow Outcome Scale (GOS) at 1 and 12 months post-diagnosis.
Statistical analysis including correlation and multivariate logistic regression to identify predictors of outcome.

Main Results:

Lesions with restricted diffusion (LRD) were identified in 28 patients.
A significant negative correlation was observed between MRI imaging scores and GOS at both 1 and 12 months in patients with LRD.
Multivariate analysis confirmed LRD and patient age as independent risk factors for unfavorable outcomes at 1 month.
LRD and imaging score were significant risk factors for unfavorable outcomes at 12 months.

Conclusions:

Children with encephalitis exhibiting LRD experience poorer clinical outcomes compared to those without.
The extent of imaging abnormalities in LRD cases is directly associated with worse patient prognoses.