Department of Radiology Peking University Third Hospital Beijing 100191 ChinaBeijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 China;
Department of Radiology Peking University Third Hospital Beijing 100191 ChinaBeijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 ChinaInstitute of Medical Technology Peking University Beijing 100191 China;
Beijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 ChinaDepartment of Neurosurgery Peking University Third Hospital Beijing 100191 China;
Department of Cardiology Peking University Shougang Hospital Beijing 100144 China;
Beijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 China;
Department of Radiology Peking University Third Hospital Beijing 100191 ChinaBeijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 China;
Department of Radiology Peking University Third Hospital Beijing 100191 ChinaBeijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 China;
Beijing Key Laboratory of Magnetic Resonance Imaging Technology Beijing 100191 China;
interstitial fluid; deep brain extracellular space; isoflurane; dexmedetomidine; pentobarbital sodium; norepinephrine;