Matches in SemOpenAlex for { <https://semopenalex.org/work/W2158183984> ?p ?o ?g. }
Showing items 1 to 70 of
70
with 100 items per page.
- W2158183984 endingPage "302" @default.
- W2158183984 startingPage "302" @default.
- W2158183984 abstract "The spectral analysis of heart valve sound is a noninvasive diagnostic method known to be useful in evaluating the state of the heart valve function. This may provide early detection of valve calcification, thrombus or destruction, since previous studies have shown that the dominant frequency peak moved to a high frequency area when natural heart valve leaflets were calcified, stiffened or destroyed. However, it is important for a heart valve sound diagnostic system to find a proper spectral analysis method on phonocardiography. Until now, conventional frequency analyses such as the Fourier transform or autoregressive spectral estimation technique have been used to estimate spectral components of a phonocardiogram, but they are inappropriate because the signal frequency is assumed to remain constant during the transform interval. To overcome this problem, in this study, FOS (Fast Orthogonal Search) & MUSIC (MUltiple SIgnal Classification), which both appeared suitable for the analysis of biological data, were applied to prosthetic heart valve sound as the new heart valve sound spectral analysis methods. Five subjects with normally functioning mechanical heart valves and a patient with a malfunctioning one were selected to collect the heart valve sound signals. As a result, the second dominant peak frequency proved to be important along with the first dominant peak frequency in identifying the valve function. This study showed that the new heart valve sound spectral analysis method presented in this paper may be an effective method in heart valve sound analysis. Further study using this system in a large population of patients will aid in providing a diagnostic method in the early detection of valve failure." @default.
- W2158183984 created "2016-06-24" @default.
- W2158183984 creator A5022253992 @default.
- W2158183984 creator A5057253933 @default.
- W2158183984 creator A5077668812 @default.
- W2158183984 creator A5079318540 @default.
- W2158183984 date "1998-01-01" @default.
- W2158183984 modified "2023-09-23" @default.
- W2158183984 title "Spectral analysis of heart valve sound for detection of prosthetic heart valve diseases" @default.
- W2158183984 doi "https://doi.org/10.3349/ymj.1998.39.4.302" @default.
- W2158183984 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/9752795" @default.
- W2158183984 hasPublicationYear "1998" @default.
- W2158183984 type Work @default.
- W2158183984 sameAs 2158183984 @default.
- W2158183984 citedByCount "13" @default.
- W2158183984 countsByYear W21581839842013 @default.
- W2158183984 countsByYear W21581839842014 @default.
- W2158183984 crossrefType "journal-article" @default.
- W2158183984 hasAuthorship W2158183984A5022253992 @default.
- W2158183984 hasAuthorship W2158183984A5057253933 @default.
- W2158183984 hasAuthorship W2158183984A5077668812 @default.
- W2158183984 hasAuthorship W2158183984A5079318540 @default.
- W2158183984 hasBestOaLocation W21581839841 @default.
- W2158183984 hasConcept C121332964 @default.
- W2158183984 hasConcept C126322002 @default.
- W2158183984 hasConcept C159693508 @default.
- W2158183984 hasConcept C164705383 @default.
- W2158183984 hasConcept C203718221 @default.
- W2158183984 hasConcept C24890656 @default.
- W2158183984 hasConcept C2776229121 @default.
- W2158183984 hasConcept C2779435589 @default.
- W2158183984 hasConcept C2983668108 @default.
- W2158183984 hasConcept C32891209 @default.
- W2158183984 hasConcept C62520636 @default.
- W2158183984 hasConcept C71924100 @default.
- W2158183984 hasConceptScore W2158183984C121332964 @default.
- W2158183984 hasConceptScore W2158183984C126322002 @default.
- W2158183984 hasConceptScore W2158183984C159693508 @default.
- W2158183984 hasConceptScore W2158183984C164705383 @default.
- W2158183984 hasConceptScore W2158183984C203718221 @default.
- W2158183984 hasConceptScore W2158183984C24890656 @default.
- W2158183984 hasConceptScore W2158183984C2776229121 @default.
- W2158183984 hasConceptScore W2158183984C2779435589 @default.
- W2158183984 hasConceptScore W2158183984C2983668108 @default.
- W2158183984 hasConceptScore W2158183984C32891209 @default.
- W2158183984 hasConceptScore W2158183984C62520636 @default.
- W2158183984 hasConceptScore W2158183984C71924100 @default.
- W2158183984 hasIssue "4" @default.
- W2158183984 hasLocation W21581839841 @default.
- W2158183984 hasLocation W21581839842 @default.
- W2158183984 hasLocation W21581839843 @default.
- W2158183984 hasOpenAccess W2158183984 @default.
- W2158183984 hasPrimaryLocation W21581839841 @default.
- W2158183984 hasRelatedWork W1584978567 @default.
- W2158183984 hasRelatedWork W1973174537 @default.
- W2158183984 hasRelatedWork W1973176983 @default.
- W2158183984 hasRelatedWork W2023488187 @default.
- W2158183984 hasRelatedWork W2029041091 @default.
- W2158183984 hasRelatedWork W2091721391 @default.
- W2158183984 hasRelatedWork W2147666584 @default.
- W2158183984 hasRelatedWork W2158183984 @default.
- W2158183984 hasRelatedWork W2331851495 @default.
- W2158183984 hasRelatedWork W3148011706 @default.
- W2158183984 hasVolume "39" @default.
- W2158183984 isParatext "false" @default.
- W2158183984 isRetracted "false" @default.
- W2158183984 magId "2158183984" @default.
- W2158183984 workType "article" @default.