Publicação
Signal Quality in Continuous Transcutaneous Bilirubinometry
| dc.contributor.author | Crivellaro, Fernando | |
| dc.contributor.author | Costa, Anselmo | |
| dc.contributor.author | Vieira, Pedro | |
| dc.contributor.institution | Faculdade de Ciências e Tecnologia (FCT) | |
| dc.contributor.pbl | MDPI - Multidisciplinary Digital Publishing Institute | |
| dc.date.accessioned | 2025-02-17T21:15:56Z | |
| dc.date.available | 2025-02-17T21:15:56Z | |
| dc.date.issued | 2024-09-23 | |
| dc.description | Funding Information: This research was funded by Fundação para a Ciência e a Tecnologia (FCT) grant number PD/BDE/142935/2018. Publisher Copyright: © 2024 by the authors. | |
| dc.description.abstract | Bilirubin is a product of the metabolism of hemoglobin from red blood cells. Higher levels of bilirubin are a sign that either there is an unusual breaking down rate of red blood cells or the liver is not able to eliminate bilirubin, through bile, into the gastrointestinal tract. For adults, bilirubin is occasionally monitored through urine or invasive blood sampling, whilst all newborns are routinely monitored visually, or non-invasively with transcutaneous measurements (TcBs), due to their biological immaturity to conjugate bilirubin. Neonatal jaundice is a common condition, with higher levels of unconjugated bilirubin concentration having neurotoxic effects. Actual devices used in TcBs are focused on newborn populations, are hand-held, and, in some cases, operate in only two wavelengths, which does not necessarily guarantee reliable results over all skin tones. The same occurs with visual inspections. Based on that, a continuous bilirubin monitoring device for newborns is being developed to overcome visual inspection errors and to reduce invasive procedures. This device, operating optically with a mini-spectrometer in the visible range, is susceptible to patient movements and, consequently, to situations with a lower signal quality for reliable bilirubin concentration estimates on different types of skin. Therefore, as an intermediate development step and, based on skin spectra measurements from adults, this work addresses the device’s placement status prediction as a signal quality indication index. This was implemented by using machine learning (ML), with the best performances being achieved by support vector machine (SVM) models, based on the spectra acquired on the arm and forehead areas. | en |
| dc.description.version | publishersversion | |
| dc.description.version | published | |
| dc.format.extent | 14 | |
| dc.format.extent | 3902772 | |
| dc.identifier.doi | 10.3390/s24186154 | |
| dc.identifier.issn | 1424-8220 | |
| dc.identifier.other | PURE: 110648806 | |
| dc.identifier.other | PURE UUID: 9c1d6b1e-69f2-48e7-9fba-e10640a40c96 | |
| dc.identifier.other | Scopus: 85205231190 | |
| dc.identifier.other | PubMed: 39338900 | |
| dc.identifier.uri | http://hdl.handle.net/10362/179201 | |
| dc.identifier.url | https://www.scopus.com/pages/publications/85205231190 | |
| dc.language.iso | eng | |
| dc.peerreviewed | yes | |
| dc.relation | info:eu-repo/grantAgreement/FCT//PD%2FBDE%2F142935%2F2018/PT | |
| dc.relation | Development of an integrated system for newborn baby monitoring | |
| dc.subject | Bilirubin | |
| dc.subject | Jaundice | |
| dc.subject | Machine learning | |
| dc.subject | Newborns | |
| dc.subject | Signal quality | |
| dc.subject | Analytical Chemistry | |
| dc.subject | Information Systems | |
| dc.subject | Atomic and Molecular Physics, and Optics | |
| dc.subject | Biochemistry | |
| dc.subject | Instrumentation | |
| dc.subject | Electrical and Electronic Engineering | |
| dc.title | Signal Quality in Continuous Transcutaneous Bilirubinometry | en |
| dc.type | journal article | |
| degois.publication.firstPage | 1 | |
| degois.publication.issue | 18 | |
| degois.publication.lastPage | 14 | |
| degois.publication.title | Sensors | |
| degois.publication.volume | 24 | |
| dspace.entity.type | Publication | |
| oaire.awardNumber | PD/BDE/142935/2018 | |
| oaire.awardTitle | Development of an integrated system for newborn baby monitoring | |
| oaire.awardURI | info:eu-repo/grantAgreement/FCT//PD%2FBDE%2F142935%2F2018/PT | |
| project.funder.identifier | http://doi.org/10.13039/501100001871 | |
| project.funder.name | Fundação para a Ciência e a Tecnologia | |
| rcaap.rights | openAccess | |
| relation.isProjectOfPublication | 45195abb-194e-45a2-b85b-51cda44bb790 | |
| relation.isProjectOfPublication.latestForDiscovery | 45195abb-194e-45a2-b85b-51cda44bb790 |
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