Cortical oxygen extraction fraction using quantitative BOLD MRI and cerebral blood flow during vasodilation.

Front Physiol · 2023 · PMC10588655 · PMID 37869717

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an overall trendno p-value reported

Therefore, there was an overall trend of increased CMRO 2 in several regions, even though we observed the expected compensation of OEF and CBF during vasodilation.

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showed a trendno p-value reported

CMRO 2 showed a trend of increased values after vasodilation, but these differences were not significant after correction for multiple comparisons .

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a decreasing trendno p-value reported

an increasing trendno p-value reported

We also observed a decreasing trend in R 2 ’ ( Figure 2C ) and an increasing trend in DBV ( Figure 2D ) during vasodilation.

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