Why the study?
Does a linearized approach for oscillometric blood-pressure measurement improve the accuracy of systolic and diastolic pressure estimation compared to the Korotkoff method and commercial meters?
Does a linearized approach for oscillometric blood-pressure measurement improve the accuracy of systolic and diastolic pressure estimation compared to the Korotkoff method and commercial meters?
A novel linearized approach for oscillometric blood pressure measurement is proposed to potentially improve accuracy compared to traditional methods.
May improve oscillometric BP accuracy if validated; leaves open clinical adoption pending prospective trials.
This paper proposes a simplified method to compute the systolic and diastolic blood pressures from measured oscillometric blood-pressure waveforms. Therefore, the oscillometric waveform is analyzed in the frequency domain, which reveals that the measured blood-pressure signals are heavily disturbed by nonlinear contributions. The proposed approach will linearize the measured oscillometric waveform in order to obtain a more accurate and transparent estimation of the systolic and diastolic pressure based on a robust preprocessing technique. This new approach will be compared with the Korotkoff method and a commercially available noninvasive blood-pressure meter. This allows verification if the linearized approach contains as much information as the Korotkoff method in order to calculate a correct systolic and diastolic blood pressure.
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Moer et al. (2011) studied this question.
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