Aortic Pressure Forecasting with Deep Sequence Learning

• URL: http://arxiv.org/abs/2005.05502v3
• Date: Fri, 16 Oct 2020 18:53:02 GMT
• Title: Aortic Pressure Forecasting with Deep Sequence Learning
• Authors: Eliza Huang, Rui Wang, Uma Chandrasekaran, Rose Yu
• Abstract summary: Mean aortic pressure (MAP) is a major determinant of perfusion in all organs systems. The aim of this study was to forecast the mean aortic pressure five minutes in advance, using the 25 Hz time series data of previous five minutes as input.
• Score: 23.571482805855755
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Mean aortic pressure (MAP) is a major determinant of perfusion in all organs systems. The ability to forecast MAP would enhance the ability of physicians to estimate prognosis of the patient and assist in early detection of hemodynamic instability. However, forecasting MAP is challenging because the blood pressure (BP) time series is noisy and can be highly non-stationary. The aim of this study was to forecast the mean aortic pressure five minutes in advance, using the 25 Hz time series data of previous five minutes as input. We provide a benchmark study of different deep learning models for BP forecasting. We investigate a left ventricular dwelling transvalvular micro-axial device, the Impella, in patients undergoing high-risk percutaneous intervention. The Impella provides hemodynamic support, thus aiding in native heart function recovery. It is also equipped with pressure sensors to capture high frequency MAP measurements at origin, instead of peripherally. Our dataset and the clinical application is novel in the BP forecasting field. We performed a comprehensive study on time series with increasing, decreasing, and stationary trends. The experiments show that recurrent neural networks with Legendre Memory Unit achieve the best performance with an overall forecasting error of 1.8 mmHg.

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