Doppler ultrasound studies have demonstrated a raised Gosling pulsatility and Pourcelot resistance index in untreated hydrocephalus. The application of transcranial Doppler ultrasound to the diagnosis of blocked ventriculoperitoneal shunts was studied by comparing the Gosling pulsatility indices of 63 children with symptoms of shunt malfunction with a reference range derived from 248 asymptomatic shunted children. An abnormally raised pulsatility index predicted a blocked shunt with a sensitivity of 56% and a specificity of 97%. The pulsatility index correlated with intracranial pressure in patients with confirmed shunt blockage.
机构:
Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Lijun Wan
Kuo Zeng
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Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Kuo Zeng
Zhongyin Guo
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Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Zhongyin Guo
Wang Xiang
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Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Wang Xiang
Minhai Dong
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Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Minhai Dong
Zirong Chen
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Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Zirong Chen
Xiaolin Zhang
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Southern Medical University,Department of Neurosurgery, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences)Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College
Xiaolin Zhang
Feng Wan
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Southern Medical University,Department of Neurosurgery, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences)Huazhong University of Science and Technology,Department of Neurosurgery, Tongji Hospital, Tongji Medical College