2020
DOI: 10.3390/s21010096
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Beat-to-Beat Continuous Blood Pressure Estimation Using Bidirectional Long Short-Term Memory Network

Abstract: Continuous blood pressure (BP) monitoring is important for patients with hypertension. However, BP measurement with a cuff may be cumbersome for the patient. To overcome this limitation, various studies have suggested cuffless BP estimation models using deep learning algorithms. A generalized model should be considered to decrease the training time, and the model reproducibility should be taken into account in multi-day scenarios. In this study, a BP estimation model with a bidirectional long short-term memory… Show more

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Cited by 35 publications
(12 citation statements)
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“…They recruited 18 subjects and achieved an MAE of 2.62 mmHg and 2.03 mmHg for SBP and DBP after leave-one-out cross validation. After fine tuning the final dense layer of their model using 20% of their test subject’s data they were able to improve those results further [ 51 ]. A similar approach was used by Mou et al investigating different combinations of DNN, CNN and LSTM.…”
Section: Related Workmentioning
confidence: 99%
“…They recruited 18 subjects and achieved an MAE of 2.62 mmHg and 2.03 mmHg for SBP and DBP after leave-one-out cross validation. After fine tuning the final dense layer of their model using 20% of their test subject’s data they were able to improve those results further [ 51 ]. A similar approach was used by Mou et al investigating different combinations of DNN, CNN and LSTM.…”
Section: Related Workmentioning
confidence: 99%
“…LSTM network, which is a variant of recurrent neural network (RNN), contains cyclic feedbacks that are designed to handle the temporal sequence [25]. Thus, LSTM layers can encode relevant information of class-specific characteristics across time [26]. Owing to these characteristics, the models combined with CNN and LSTM, have been successfully applied in detecting SAHS using biosignal sequences, in recent studies [27], [28], [29].…”
Section: Introductionmentioning
confidence: 99%
“…In addition, recurrent neural network such as long short-term memory neural network (LSTM) [12,22] and gated recurrent unit (GRU) [14,23] have been widely employed for BP estimation, which can make predictions of current time stamp with relatively long periods of previous information, which however suffer from the high variations of input features. To combine the strengths of the two structures, CNN-LSTM or CNN-GRU based models have been proposed and become the most popular BP estimators in recent studies [14-16, 24, 25].…”
Section: Related Workmentioning
confidence: 99%
“…A practical way is to build general models based on data from a group of subjects. For general models, individual calibration is not a necessitate, depending on the availability of individual calibration data, but they usually showed lower accuracy compared to calibrated models [14,15]. However, most studies built individualized models based on the MIMIC database which recorded continuous BP as the references thus providing sufficient individual samples for training the model, i.e., normally the first 70-80% individual data were used for training the model and the remaining data for testing.…”
Section: Related Workmentioning
confidence: 99%