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Abstract #0845

Assessment of renal perfusion in transplanted kidney patients using multi-delay pseudo‑continuous arterial spin labeling

Hyun-Seo Ahn1, Eun-Sung Kim2, Hyo Sung Kwak2, and Sung-Hong Park1

1Department of Bio & Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, Republic of, 2Department of Radiology, Bio medical Research Institute of Chonbuk National University Hospital, Jeonju, Korea, Republic of

There has been no systemic evaluation for transplanted kidney patients using 3T MRI system with pseudo-continuous ASL (pCASL). In this study, we presented multi-parametric renal perfusion imaging on transplanted kidney patients using multi-delay pCASL with bSSFP readout. Influence of background suppression on temporal signal stability was investigated and two different perfusion quantification models were compared. Multi-parametric perfusion signals including mean renal perfusion and arterial transit time were measured for transplanted kidney patients. The current study would be helpful for applying multi-delay pCASL to routine clinical diagnosis of transplanted kidney patients.

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