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Abstract #2068

4D Flow MRI evaluation and intraoperative MCA pressure measurements before and after STA-MCA bypass surgery

Tetsuro Sekine1, Erika Orita1, Takahiro Ando1, Yasuo Murai1, and Shinichiro Kumita1
1Nippon Medical School, Tokyo, Japan

The purpose of this study was to clarify the intracranial hemodynamics before and after superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery by comparing flow parameters obtained by time-resolved 3-dimensional phase-contrast (4D flow) MRI and intraoperative MCA pressure measurement.

The visual and quantitative assessment of 4D flow MRI revealed that intracranial blood flow changes complementarily after STA-MCA bypass surgery. The sum of intracranial BFV can be used for the evaluation of treatment outcome after the surgery.

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