Key result
An adaptive Kalman filter algorithm for continuous blood pressure estimation using pulse transit time reduces the need for frequent calibration with traditional blood pressure apparatus.
Why the study?
Does an Adaptive Kalman filter algorithm reduce the need for frequent traditional blood pressure calibration in continuous PTT-based BP monitoring?
Does an Adaptive Kalman filter algorithm reduce the need for frequent traditional blood pressure calibration in continuous PTT-based BP monitoring?
An Adaptive Kalman filter algorithm can reduce the frequency of calibration required for continuous cuffless blood pressure monitoring using pulse transit time.
Answers are grounded in this paper and cite their sources.
May ease calibration for PTT-based monitoring; leaves open prospective validation before clinical adoption.
This paper attempts to present the problem of continuous Blood Pressure (BP) estimation using the Pulse Transit Time (PTT) cuff-less method. PTT is measured by synchronous electrocardiogram and photoplethysmograph (PPG) registration and the difference time is the basis parameter for blood pressure estimation. One of the problems to use PTT method is the necessity to calibrate with the traditional methods of Blood Pressure (TMBP) measurements. Adaptive Kalman filter (AKF) algorithm and maximum-likelihood estimation (MLE) methods were used in this paper to reduce the number of calibration measurements. The results clearly showed that the AKF used to estimate continuous BP, reduces the frequent use of the TMBP apparatus for calibration of BP measurement with PTT.
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Jadooei et al. (2013) studied Blood pressure monitoring. Adaptive Kalman filter (AKF) algorithm and maximum-likelihood estimation (MLE) vs. Traditional methods of Blood Pressure (TMBP) measurements was evaluated on Reduction in the number of calibration measurements. An adaptive Kalman filter algorithm for continuous blood pressure estimation using pulse transit time reduces the need for frequent calibration with traditional blood pressure apparatus.
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