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Method for Quantitative Diagnosis of Cerebrovascular, Neurovascular and Neurodegenerative Diseases via Computation of a CO2 Vasomotor Reactivity Index based on a Nonlinear Predictive Model
Method for Quantitative Diagnosis of Cerebrovascular, Neurovascular and Neurodegenerative Diseases via Computation of a CO2 Vasomotor Reactivity Index based on a Nonlinear Predictive Model
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机译:基于非线性预测模型的CO2血管舒缩反应指数的定量诊断脑血管,神经血管和神经退行性疾病的方法
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摘要
The present invention relates generally to a method for computer-aided quantitative diagnosis of cerebrovascular and neurodegenerative diseases (such as Alzheimer's, vascular dementia, mild cognitive impairment, transient ischemia, stroke etc.) via a vasomotor reactivity index (VMRI) which is computed on the basis of a computational model of the dynamic nonlinear inter-relationships between beat-to-beat time-series measurements of cerebral blood flow velocity, arterial blood pressure and end-tidal CO2. This model is obtained by means of a method pioneered by the inventors and may incorporate additional physiological measurements from human subjects. Its purpose is to provide useful information to physicians involved in the diagnosis and treatment of cerebrovascular and neurodegenerative diseases with a significant neurovascular component by offering quantitative means of assessment of the effects of the disease or medication on cerebral vasomotor reactivity. Initial results from clinical data have corroborated the diagnostic potential of this approach.
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