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Preclinical evaluation of noncontact vital signs monitoring using real-time IR-UWB radar and factors affecting its accuracy

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dc.contributor.authorPark, Jun-Young-
dc.contributor.authorLee, Yonggu-
dc.contributor.authorHeo, Ran-
dc.contributor.authorPark, Hyun-Kyung-
dc.contributor.authorCho, Seok-Hyun-
dc.contributor.authorCho, Sung Ho-
dc.contributor.authorLim, Young-Hyo-
dc.date.accessioned2022-07-06T02:16:28Z-
dc.date.available2022-07-06T02:16:28Z-
dc.date.created2022-01-06-
dc.date.issued2021-12-
dc.identifier.issn2045-2322-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/138475-
dc.description.abstractRecently, noncontact vital sign monitors have attracted attention because of issues related to the transmission of contagious diseases. We developed a real-time vital sign monitor using impulse-radio ultrawideband (IR-UWB) radar with embedded processors and software; we then evaluated its accuracy in measuring heart rate (HR) and respiratory rate (RR) and investigated the factors affecting the accuracy of the radar-based measurements. In 50 patients visiting a cardiology clinic, HR and RR were measured using IR-UWB radar simultaneously with electrocardiography and capnometry. All patients underwent HR and RR measurements in 2 postures—supine and sitting—for 2 min each. There was a high agreement between the RR measured using radar and capnometry (concordance correlation coefficient [CCC] 0.925 [0.919–0.926]; upper and lower limits of agreement [LOA], − 2.21 and 3.90 breaths/min). The HR measured using radar was also in close agreement with the value measured using electrocardiography (CCC 0.749 [0.738–0.760]; upper and lower LOA, − 12.78 and 15.04 beats/min). Linear mixed effect models showed that the sitting position and an HR < 70 bpm were associated with an increase in the absolute biases of the HR, whereas the sitting position and an RR < 18 breaths/min were associated with an increase in the absolute biases of the RR. The IR-UWB radar sensor with embedded processors and software can measure the RR and HR in real time with high precision. The sitting position and a low RR or HR were associated with the accuracy of RR and HR measurement, respectively, using IR-UWB radar.-
dc.language영어-
dc.language.isoen-
dc.publisherNATURE RESEARCH-
dc.titlePreclinical evaluation of noncontact vital signs monitoring using real-time IR-UWB radar and factors affecting its accuracy-
dc.typeArticle-
dc.contributor.affiliatedAuthorLee, Yonggu-
dc.contributor.affiliatedAuthorHeo, Ran-
dc.contributor.affiliatedAuthorPark, Hyun-Kyung-
dc.contributor.affiliatedAuthorCho, Seok-Hyun-
dc.contributor.affiliatedAuthorCho, Sung Ho-
dc.contributor.affiliatedAuthorLim, Young-Hyo-
dc.identifier.doi10.1038/s41598-021-03069-2-
dc.identifier.scopusid2-s2.0-85121013076-
dc.identifier.wosid000734524200066-
dc.identifier.bibliographicCitationSCIENTIFIC REPORTS, v.11, no.1, pp.1 - 12-
dc.relation.isPartOfSCIENTIFIC REPORTS-
dc.citation.titleSCIENTIFIC REPORTS-
dc.citation.volume11-
dc.citation.number1-
dc.citation.startPage1-
dc.citation.endPage12-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.isOpenAccessY-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalWebOfScienceCategoryMultidisciplinary Sciences-
dc.subject.keywordPlusbreathing rate-
dc.subject.keywordPlusheart rate-
dc.subject.keywordPlushuman-
dc.subject.keywordPlusnormal human-
dc.subject.keywordPlusphysiologic monitoring-
dc.subject.keywordPlusprocedures-
dc.subject.keywordPlusradiofrequency radiation-
dc.subject.keywordPlusvital sign-
dc.identifier.urlhttps://www.nature.com/articles/s41598-021-03069-2-
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서울 공과대학 > 서울 융합전자공학부 > 1. Journal Articles
서울 의과대학 > 서울 이비인후과학교실 > 1. Journal Articles
서울 의과대학 > 서울 소아청소년과학교실 > 1. Journal Articles
서울 의과대학 > 서울 내과학교실 > 1. Journal Articles

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