Blood pressure estimation using maximum slope of oscillometric pulses
Blood pressure estimation using maximum slope of oscillometric pulses
复制标题
使用示波脉冲的最大斜率估计血压
DOI：
10.1109/embc.2012.6346655
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
H. Dajani
中科院分区：
文献类型：
--
作者：
M. Mafi;S. Rajan;M. Bolic;V. Groza;H. Dajani
提出了一种新的基于血压波形中每个脉搏的最大斜率（MS）的血压测量脉搏指数（OPI）。使用脉冲的一阶导数获得每个脉冲的最大斜率，并且获得对应于最大斜率的值的包络。包络的最大值被视为平均动脉压（MAP），收缩压（SBP）和舒张压（DBP）的估计值作为MAP的一部分，类似于传统的最大幅度算法（MAA）。所提出的算法进行了测试，对18名健康受试者。将从所提出的算法获得的MAP、SBP和DBP估计值与从商业血压设备获得的估计值以及使用文献中可用的MAA和形态定性测量获得的估计值进行比较。
A new oscillometric pulse index (OPI) derived from the maximum slope (MS) of each pulse in the oscillometric blood pressure waveform is proposed for blood pressure estimation. Maximum slope for each pulse is obtained using the first derivative of the pulse and an envelope of the values corresponding to the maximum slopes is obtained. The maximum of the envelope is taken as the mean arterial pressure (MAP) and the systolic blood pressure (SBP) and diastolic blood pressure (DBP) estimates are obtained as a fraction of the MAP, similar to the traditional maximum amplitude algorithm (MAA). The proposed algorithm is tested on 18 healthy subjects. The MAP, SBP and DBP estimates obtained from the proposed algorithm are compared with those obtained from a commercial blood pressure device and with the estimates obtained using the MAA and morphological qualitative measures available in the literature.