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Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.12222/150
Título : A comparison of heart rate variability in women at the third trimester of pregnancy and during low-risk labour
Autor(es) : Gustavo Pacheco-Lopez, 0000-0002-3458-197X
Autor(es) sin ID: Reyes Lagos, José Javier; Echeverría Arjonilla, Juan Carlos; Peña Castillo, Miguel Ángel; García González, María Teresa; Ortiz Pedroza, María del Rocío; Vargas García, Carlos; Camal Ugarte, Sergio; González Camarena, Ramón
Fecha de publicación : 2015
Tipo de resultado Científico: preprint
Materia o Disciplina: MEDICINA Y CIENCIAS DE LA SALUD
Palabras clave: Variabilidad del ritmo cardíaco; Actividad autónoma; Vía colinérgica antiinflamatoria; Oxitocina; Labor de parto; Heart rate variability; Detrended fluctuation analysis; Autonomic activity; Anti-inflammatory cholinergic pathway; Oxytocin; Labour Pregnancy
Descripción : Heart rate variability (HRV) has been recognised as a non-invasive method for assessing cardiac autonomic regulation. Aiming to characterize HRV changes at labour in women, we studied 10 minute ECG recordings from young mothers (n = 30) at the third trimester of pregnancy (P) or during augmentation of labour (L) (n = 30). Data of the L group were collected when no-contractions (L-NC) or the contractile activity (L-C) was manifested. Accordingly, the inter-beat interval (IBI) time series were processed to estimate relevant parameters of HRV such as the mean IBI (), the mean heart rate , the root mean square of successive differences (RMSSD) in IBIs, the natural logarithm of high-frequency component (LnHF), the short-term scaling parameters from detrended fluctuation and magnitude and sign analyses such as (α1, α1(MAG), α1(SIGN)), and the sample entropy (SampEn). We found statistical differences (p < 0.05) for RMSSD among P and L-NC/L-C groups (25 ± 13 vs. 36 ± 14/34 ± 16 ms) and for LnHF between P and L-NC (5.37 ± 1.15 vs. 6.05 ± 0.86 ms2). Likewise, we identified statistical differences (p < 0.05) for α1(SIGN) among P and L-NC/L-C groups (0.19 ± 0.20 vs. 0.32 ± 0.17/0.39 ± 0.13). By contrast, L-NC and L-C groups showed statistical differences (p < 0.05) in α1(MAG) (0.67 ± 0.12 vs. 0.79 ± 0.12), and SampEn (1.62 ± 0.26 vs. 1.20 ± 0.44). These results suggest that during labour, despite preserving a concomitant non-linear influence, the maternal short-term cardiac autonomic regulation becomes weakly anticorrelated (as indicated by α1(SIGN)); furthermore, an increased vagally mediated activity is observed (as indicated by RMSSD and LnHF), which may reflect a cholinergic pathway activation owing to the use of oxytocin or the anti-inflammatory cholinergic response triggered during labour.
Editor: Universidad Autónoma Metropolitana. Unidad Lerma
URI : http://hdl.handle.net/20.500.12222/150
Condiciones de licencia: http://creativecommons.org/licenses/by-nc-nd/4.0/
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