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dc.contributor.author | Ye Lin, Yiyao | es_ES |
dc.contributor.author | Garcia Casado, Francisco Javier | es_ES |
dc.contributor.author | Prats Boluda, Gema | es_ES |
dc.contributor.author | Ponce, J. L. | es_ES |
dc.contributor.author | Martínez De Juan, José Luís | es_ES |
dc.date.accessioned | 2016-04-11T11:13:39Z | |
dc.date.available | 2016-04-11T11:13:39Z | |
dc.date.issued | 2009-07-27 | |
dc.identifier.issn | 0967-3334 | |
dc.identifier.uri | http://hdl.handle.net/10251/62417 | |
dc.description.abstract | Surface recording of electroenterogram (EEnG) is a non-invasive method for monitoring intestinal myoelectrical activity. However, surface EEnG is seriously affected by a variety of interferences: cardiac activity, respiration, very low frequency components and movement artefacts. The aim of this study is to eliminate respiratory interference and very low frequency components from external EEnG recording by means of empirical mode decomposition (EMD), so as to obtain more robust indicators of intestinal pacemaker activity from external EEnG signal. For this purpose, 11 recording sessions were performed in an animal model under fasting conditions and in each individual session the myoelectrical signal was recorded simultaneously in the intestinal serosa and the external abdominal surface in physiological states. Various parameters have been proposed for evaluating the efficacy of the method in reducing interferences: the signal-to-interference ratio (S/I ratio), attenuation of the target and interference signals, the normal slow wave percentage and the stability of the dominant frequency (DF) of the signal. The results show that the S/I ratio of the processed signals is significantly greater than the original values (9.66±4.44 dB vs. 1.23±5.13 dB), while the target signal was barely attenuated (-0.63±1.02 dB). The application of the EMD method also increased the percentage of the normal slow wave to 100% in each individual session and enabled the stability of the DF of the external signal to be increased considerably. Furthermore, the variation coefficient of the DF derived from the external processed signals is comparable to the coefficient obtained using internal recordings. Therefore the EMD method could be a very useful tool to improve the quality of external EEnG recording in the low frequency range, and therefore to obtain more robust indicators of the intestinal pacemaker activity from non invasive EEnG recordings | es_ES |
dc.description.sponsorship | The authors would like to thank D Alvarez-Martinez, Dr C Vila and the Veterinary Unit of the Research Centre of 'La Fe' University Hospital (Valencia, Spain), where the surgical interventions and recording sessions were carried out, and the R+D+I Linguistic Assistance Office at the UPV for their help in revising this paper. This research study was sponsored by the Ministerio de Ciencia y Tecnologia de Espana (TEC2007-64278) and by the Universidad Politecnica de Valencia, as part of a UPV research and development Grant Programme. | en_EN |
dc.language | Inglés | es_ES |
dc.publisher | IOP Publishing | es_ES |
dc.relation.ispartof | PHYSIOLOGICAL MEASUREMENT | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Electroenterogram | es_ES |
dc.subject | Empirical mode decomposition | es_ES |
dc.subject | Artefact reduction | es_ES |
dc.subject | Intestinal activity | es_ES |
dc.subject | Non-invasive recording | es_ES |
dc.subject.classification | TECNOLOGIA ELECTRONICA | es_ES |
dc.title | Enhancement of the non-invasive electroenterogram to identify intestinal pacemaker activity | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1088/0967-3334/30/9/002 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MEC//TEC2007-64278/ES/DESARROLLO, CARACTERIZACION Y EXPERIMENTACION DE UN SENSOR LAPLACIANO ACTIVO PARA LA MONITORIZACION INCRUENTA DE LA ACTIVIDAD GASTROINTESTINAL/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Ingeniería Electrónica - Departament d'Enginyeria Electrònica | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto Interuniversitario de Investigación en Bioingeniería y Tecnología Orientada al Ser Humano - Institut Interuniversitari d'Investigació en Bioenginyeria i Tecnologia Orientada a l'Ésser Humà | es_ES |
dc.description.bibliographicCitation | Ye Lin, Y.; Garcia Casado, FJ.; Prats Boluda, G.; Ponce, JL.; Martínez De Juan, JL. (2009). Enhancement of the non-invasive electroenterogram to identify intestinal pacemaker activity. PHYSIOLOGICAL MEASUREMENT. 30(9):885-902. https://doi.org/10.1088/0967-3334/30/9/002 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1088/0967-3334/30/9/002 | es_ES |
dc.description.upvformatpinicio | 885 | es_ES |
dc.description.upvformatpfin | 902 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 30 | es_ES |
dc.description.issue | 9 | es_ES |
dc.relation.senia | 209054 | es_ES |
dc.contributor.funder | Ministerio de Educación y Ciencia | es_ES |
dc.contributor.funder | Universitat Politècnica de València | es_ES |
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