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Related Experiment Video

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Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
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Brain diffusion changes in Eisenmenger syndrome.

Ferit Dogan1, Dilek Sen Dokumaci2, Ali Yildirim3

  • 11 Department of Radiology, Sanliurfa Children's Hospital, Sanliurfa, Turkey.

The British Journal of Radiology
|October 22, 2016
PubMed
Summary
This summary is machine-generated.

Brain diffusion changes may occur in Eisenmenger syndrome (ES). Apparent diffusion coefficient (ADC) values were higher in frontal white matter and lentiform nucleus in ES patients compared to controls.

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Area of Science:

  • Neurology
  • Radiology
  • Cardiology

Background:

  • Eisenmenger syndrome (ES) is a complex congenital heart disease leading to chronic hypoxia.
  • Hypoxia's impact on brain tissue and its quantitative assessment using diffusion MRI is not fully understood.

Purpose of the Study:

  • To investigate potential alterations in apparent diffusion coefficient (ADC) values within the brain of patients diagnosed with Eisenmenger syndrome.
  • To compare ADC values in specific neuroanatomical regions between ES patients and healthy controls.

Main Methods:

  • A cross-sectional study involving 10 patients with ES and 10 healthy controls.
  • Quantitative measurement of ADC values in eight distinct brain regions, including frontal white matter (FWM) and lentiform nucleus (LN).
  • Statistical analysis using the Kruskal-Wallis test to compare ADC values between groups, with significance set at p < 0.05.

Main Results:

  • Significantly elevated ADC values were observed in the FWM and LN of patients with ES compared to the control group.
  • No significant differences in mean ADC levels were found in other analyzed brain regions between the ES and control groups.

Conclusions:

  • Chronic hypoxia associated with ES may induce detectable diffusion changes in brain tissue.
  • Increased extracellular to intracellular volume ratio in FWM and LN is suggested in ES patients.
  • Further research is warranted to determine the clinical significance of these cerebral ADC value alterations in ES.