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1.
Geburtshilfe Frauenheilkd ; 72(4): 316-321, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25284838

RESUMO

Objective: To investigate the functional adaptive process of the fetal autonomic nervous system during hypnosis from the 20th week of gestation till term. Are there changes in the power spectrum analysis of fetal heart rate when the mother is having a clinical hypnosis or control period? Study Design: Fourty-nine FHR recordings were analysed. Included recordings were from singletons and abdominal fetal ECG-monitored pregnancies. All women were randomised to receive clinical hypnosis followed by a period with no intervention or vice versa. Statistical analyses were performed with the Wilcoxon signed ranks and Spearman rho correlation tests. Results: There was a significant difference found between fetal heart rate at baseline (144.3 ± 6.0) and hypnosis (142.1 ± 6.4). A difference was also detected between the standard deviation of the heart rate between baseline (6.7 ± 1.9) and hypnosis (6.8 ± 3.5). LFnu was smaller during baseline (80.2 ± 5.3) than during hypnosis (82.1 ± 5.7), whereas HFnu was significantly larger (19.8 ± 5.3 vs. 17.9 ± 5.7). There was no correlation between the gestation age and the change in LFnu, HFnu or ratio LF/HF due to the hypnosis intervention. Conclusion: The functional adaptive process of the fetal autonomic system during hypnosis is reflected by a sympathovagal shift towards increased sympathetic modulation.

2.
Z Geburtshilfe Neonatol ; 215(5): 199-204, 2011 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22028060

RESUMO

PURPOSE: The aim of this study was to determine the quality of intrapartum uterine activity (UA) monitoring in daily practice during the first and second stages of labour. The total duration of inadequate UA monitoring is quantified in relation to the technique applied, namely, external tocodynamometry (TOCO) or electrohysterography (EHG). MATERIAL AND METHODS: 144 UA recordings, collected from 1st September 2008 until 15th October 2009 from deliveries at the Marien-Hospital Witten, Germany, were analysed by obstetricians based at different centres. The included recordings were from singleton and simultaneously with external TOCO and EHG monitored pregnancies. External TOCO and EHG UA recordings were blinded. RESULTS: The percentages of "adequate" UA recordings in the first and second stages of labour were much higher for the external EHG than the external TOCO mode (p<0.001). All doctors evaluated the UA assessment as "easier" (p <0.001) using the EHG compared with TOCO. CONCLUSION: Intrapartum UA monitoring in -daily practice via the EHG mode provides a more recognisable UA trace than the TOCO.


Assuntos
Processamento de Sinais Assistido por Computador/instrumentação , Monitorização Uterina/instrumentação , Algoritmos , Cardiotocografia/instrumentação , Desenho de Equipamento , Feminino , Humanos , Recém-Nascido , Primeira Fase do Trabalho de Parto , Segunda Fase do Trabalho de Parto , Valor Preditivo dos Testes , Gravidez , Software , Ultrassonografia Doppler , Ultrassonografia Pré-Natal
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