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Comparison of fetal heart rate variability by symbolic dynamics at the third trimester of pregnancy and low-risk parturition

dc.creatorMontalvo-Jaramillo, Cristian Ivánes_ES
dc.creatorPliego-Carrillo, Adriana Cristinaes_ES
dc.creatorPeña-Castillo, Miguel Ángeles_ES
dc.creatorEcheverría, Juan Carloses_ES
dc.creatorBecerril-Villanueva, Enriquees_ES
dc.creatorPavón, Lenines_ES
dc.creatorAyala-Yáñez, Rodrigoes_ES
dc.creatorGonzález-Camarena, Ramónes_ES
dc.creatorBerg, Karstenes_ES
dc.creatorWessel, Nielses_ES
dc.creatorPacheco-López, Gustavoes_ES
dc.creatorReyes-Lagos, José Javieres_ES
dc.date2020
dc.date.accessioned2023-07-27T17:44:42Z
dc.date.available2023-07-27T17:44:42Z
dc.date.issued2020
dc.identifierJC32NC20es_ES
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/7720
dc.identifier.urihttps://doi.org/10.1016/j.heliyon.2020.e03485
dc.identifier.urihttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7075801/
dc.descriptionFetal heart rate variability (fHRV) is an essential source of information to monitor fetal well-being during pregnancy. This study aimed to apply a nonlinear approach, known as symbolic dynamics (SD), for comparing human fHRV in the third trimester of pregnancy during active fetal state (TT) and active labor at term (P). We performed a longitudinal, prospective, descriptive, and comparative study composed of 42 longitudinal recordings of 5-minutes of fetal heartbeat interval series. Recordings were collected from 21 low-risk, healthy, pregnant women attending the Maternal and Child Research Center (CIMIGen), Mexico City. We calculated relevant linear parameters of fHRV between TT and P stages, such as the percentage of differences between adjacent RR intervals >5 ms (PRR5, related to vagal modulations) and other SD parameters such as the percentage of no variations between three successive symbols (%0V, reflects sympathetic modulations) and the probability of low variability with a threshold of 4 ms (POLVAR4, associated with a low variability). We identified statistical differences for PRR5 between TT and P (37.13% [28.47–47.60%] vs. 28.84% [19.36–36.76%], p = 0.03), respectively. Also, for 0V% (65.66% [59.01–71.80%] vs. 71.14% [65.94–75.87%], p = 0.03) and for POLVAR4 values (0.06 [0.04–0.11] vs. 0.15 [0.09–0.24], p = 0.002), respectively. Our results indicate that during parturition, the short-term fetal fHRV is decreased, showing a decreased vagal modulations and higher adrenergic response of the heart. These autonomic modifications may result from the fetal response to the stressful inflammatory challenge of labor. We thus confirmed that the analysis of the SD applied to fHRV time series could be a potential clinical biomarker to differentiate the fetal autonomic cardiac condition at different stages of pregnancy.es_ES
dc.formatPDFes_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation6(3) e03485
dc.rightsAcceso Cerradoes_ES
dc.titleComparison of fetal heart rate variability by symbolic dynamics at the third trimester of pregnancy and low-risk parturitiones_ES
dc.typeArtículoes_ES
dc.contributor.affiliationAutonomous University of the State of Mexico (UAEMex), Faculty of Medicine, Toluca, 50180, Mexico
dc.contributor.emailg.pacheco@correo.ler.uam.mx (G. Pacheco-Lopez)
dc.relation.jnabreviadoHELIYON
dc.relation.journalHeliyon
dc.identifier.placeInglaterra
dc.date.published2020
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la fuente Muñiz
dc.identifier.eissn2405-8440
dc.identifier.doi10.1016/j.heliyon.2020.e03485
dc.subject.kwNonlinear signal processing
dc.subject.kwBiomedical engineering
dc.subject.kwMedical physics
dc.subject.kwNervous system
dc.subject.kwObstetrics
dc.subject.kwSymbolic dynamics
dc.subject.kwTerm birth
dc.subject.kwFetal heart rate variability
dc.subject.kwLabor


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