Non-Invasive Capillary Blood Pressure Measurement Enabling Early Detection and Classification of Venous Congestion
| Autor: | Jing Liu, Charles G. Sodini, Yuan-Ting Zhang, Ni Zhao, Shih-Chi Chen, Bryan P. Yan |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
medicine.medical_specialty
Peripheral edema Early detection Blood Pressure Hyperemia Veins Health Information Management Venous congestion Oscillometry Internal medicine Photoplethysmogram Varicose veins Humans Medicine Electrical and Electronic Engineering business.industry Blood Pressure Determination medicine.disease Computer Science Applications Peripheral Blood pressure Heart failure Cardiology medicine.symptom business Biotechnology |
| Zdroj: | IEEE Journal of Biomedical and Health Informatics. 25:2877-2886 |
| ISSN: | 2168-2208 2168-2194 |
| Popis: | Capillary blood pressure (CBP) is the primary driving force for fluid exchange across microvessels. Subclinical systemic venous congestion prior to overt peripheral edema can directly result in elevated peripheral CBP. Therefore, CBP measurements can enable timely edema control in a variety of clinical cases including venous insufficiency, heart failure and so on. However, currently CBP measurements can be only done invasively and with a complicated experimental setup. In this work, we proposed an opto-mechanical system to achieve non-invasive and automatic CBP measurements through modifying the widely implemented oscillometric technique in home-use arterial blood pressure monitors. The proposed CBP system is featured with a blue light photoplethysmography sensor embedded in finger/toe cuffs to probe skin capillary pulsations. The experimental results demonstrated the proposed CBP system can track local CBP changes induced by different levels of venous congestion. Leveraging the decision tree technique, we demonstrate the use of a multi-site CBP measurement at fingertips and toes to classify four categories of subjects (total N = 40) including patients with peripheral arterial disease, varicose veins and heart failure. Our work demonstrates the promising non-invasive CBP measurement as well as its great potential in realizing point-of-care systems for the management of cardiovascular diseases. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|