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Oscillometric devices are widely used for automatic cuff blood pressure (BP) measurement. These devices estimate BP from the oscillometric cuff pressure waveform using population average methods. Hence, the devices may only be accurate over a limited BP range. The objective was to evaluate a new patient-specific method, which estimates BP by fitting a physiologic model to the same waveform. One-hundred...
Blood pressure (BP) near the heart (i.e., central BP) is clinically more relevant than BP away from the heart. But, BP from the arm is more easily measured with an automatic cuff device. A model-based method was developed to estimate central BP using a standard automatic arm cuff device. The method was initially tested in patients using invasive central BP measurements as a reference. The method achieved...
We conceived new oscillometric blood pressure (BP) estimation methods based on physical modeling. The crux of these methods is to simultaneously estimate the arterial stiffness and BP of the patient from a standard oscillometric waveform. Hence, in contrast to previous methods, the BP estimation is specific to the patient at the time of measurement and is robust against arterial stiffening. We conducted...
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