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Abstract #4574

The use of Arterial Spin Labeling to Evaluate Posterior Circulation Ischemia in the elderly group (>80 years)

Rui Jia1, Ningyu An2, Xian Xu, and Bing Wu3

1Department of Radiology, General Hospital of the People’s Liberation Army, Beijing, People's Republic of China, 2General Hospital of the People’s Liberation Army, 3GE Healthcare company

Contrast free arterial spin labeling approach is used to assess the perfusion changes in PCI in the elderly group (>80yrs)compared with normal control elderly group. Lower perfusion level was seen in PCI group, also a long PLD time is more effective in detecting the PCI group in case of slower perfusion rate. The lower level of increment with a long PLD in PCI group also indicates the weakened perfusion ability in the posterior circulation.

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