A Differential Optical Sensor for Non-Invasive Real-Time Monitoring of Ultrafiltration Rate in Hemofiltration Therapies
Hemofiltration (HF) is a group of blood purification therapies used to treat patients with kidney injury. HF works using a process called ultrafiltration (UF) that removes excess liquid accumulated in the patient's body caused by lack of excretion. UF progress is monitored by the HF machine, bu...
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| Veröffentlicht in: | IEEE sensors journal 2018-10, Vol.18 (20), p.8597-8604 |
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| creator | Visotti, Andrea Ravagli, Enrico Perazzini, Claudia Drudi, Debora Ghidini, Corrado Severi, Stefano |
| description | Hemofiltration (HF) is a group of blood purification therapies used to treat patients with kidney injury. HF works using a process called ultrafiltration (UF) that removes excess liquid accumulated in the patient's body caused by lack of excretion. UF progress is monitored by the HF machine, but the state-of-the-art method is cumbersome and could be more accurate. In this paper, a system composed by two optical sensors is proposed for real-time non-invasive estimation of ultrafiltration rate. This new system is simple, rugged, and low-cost and operates on sound theoretical foundations. The sensor system has been tested with two different experimental protocols and showed good correlation between its output and the reference value of the ultrafiltration rate (R 2 = 0.97), as well as improved accuracy compared with the available commercial machine (≃12 ml/h). This system also has the potential to simplify the architecture required by critical care blood purification machines to perform UF control. |
| doi_str_mv | 10.1109/JSEN.2018.2865493 |
| format | Article |
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This system also has the potential to simplify the architecture required by critical care blood purification machines to perform UF control.</description><subject>Biomedical measurement</subject><subject>Blood</subject><subject>blood purification</subject><subject>Excretion</subject><subject>Fluids</subject><subject>Hafnium</subject><subject>hemofiltration</subject><subject>hemoglobin</subject><subject>Kidneys</subject><subject>measurement</subject><subject>Medical treatment</subject><subject>Optical filters</subject><subject>Optical measuring instruments</subject><subject>optical sensor</subject><subject>Optical sensors</subject><subject>Purification</subject><subject>Real time</subject><subject>Ultrafiltration</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkFtLAzEQhRdRsFZ_gPgS8HnrTrKX7GOpl1ZqC72Ab0uaTjRlm9Qkrfjv3aVFfJgLh3Nm4IuiW0h6AEn58Dp_mvRoArxHeZ6lJTuLOpBlPIYi5eftzpI4ZcX7ZXTl_SZJoCyyohN998mjVgodmqBFTaa7oGUz52i8dUQ1NbEmHpmD8PqAZIaijhd6i-TNGh2s0-aDWEWWdXBC6bYHbQ2ZiYBEGzLErf0nLz7RiZ1Gfx1dKFF7vDnNbrR8floMhvF4-jIa9MexZCwPsUh4qXK1plmRUaFyQVcoabbmHDFdYUEZlZJzyTNAucqhEaRalwowV00gZ93o_nh35-zXHn2oNnbvTPOyogAFFDlA2rjg6JLOeu9QVTunt8L9VJBULd-q5Vu1fKsT3yZzd8xoRPzz85SVJePsF_GOeO0</recordid><startdate>20181015</startdate><enddate>20181015</enddate><creator>Visotti, Andrea</creator><creator>Ravagli, Enrico</creator><creator>Perazzini, Claudia</creator><creator>Drudi, Debora</creator><creator>Ghidini, Corrado</creator><creator>Severi, Stefano</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Biomedical measurement Blood blood purification Excretion Fluids Hafnium hemofiltration hemoglobin Kidneys measurement Medical treatment Optical filters Optical measuring instruments optical sensor Optical sensors Purification Real time Ultrafiltration |
| title | A Differential Optical Sensor for Non-Invasive Real-Time Monitoring of Ultrafiltration Rate in Hemofiltration Therapies |
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