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Fetal heart rate monitoring

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https://www.readbyqxmd.com/read/28532196/fetal-and-neonatal-involvement-in-maternal-rheumatologic-disease
#1
Shigeo Iijima
A pregnancy complicated with rheumatologic diseases can have various influences on the fetus and/or neonate. Maternal systemic lupus erythematosus (SLE) may cause preterm and/or small for gestational age (SGA) delivery and neonatal lupus (NL). Some neonates with NL have congenital heart block (CHB) with increased morbidity and mortality, even requiring pacemakers. Antiphospholipid syndrome may occur with SLE and affect fetal and/or neonatal outcomes. Pregnancy involving primary Sjögren syndrome (pSS) tends to result in preterm delivery and low birthweight infants...
May 22, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28526519/oxytocin-administration-during-spontaneous-labor-guidelines-for-clinical-practice-chapter-4-oxytocin-efficiency-according-to-implementation-in-insufficient-spontaneous-labor
#2
Bénédicte Coulm, Véronique Tessier
AIM: To describe the optimal procedures for administering oxytocin in cases of insufficient uterine contractility during spontaneous labor and the maternal and fetal monitoring to accompany it. METHODS: Systematic review of the literature by consultation of the Medline, Micromedex, and Cochrane databases, and international guidelines. RESULTS: Oxytocin must be administered only in hospital settings and monitored according to a written departmental protocol...
May 16, 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28475393/fetal-scalp-stimulation-fss-versus-fetal-blood-sampling-fbs-for-women-with-abnormal-fetal-heart-rate-monitoring-in-labor-a-prospective-cohort-study
#3
U Tahir Mahmood, C O'Gorman, Z Marchocki, Y M O'Brien, D J Murphy
OBJECTIVE: To evaluate the performance of fetal scalp stimulation (FSS) compared to fetal blood sampling (FBS) as a second line test of fetal wellbeing in labor. STUDY DESIGN: A prospective cohort study was conducted including 298 fetal blood sampling procedures performed due to abnormal fetal cardiotocography (CTG). Two independent observers interpreted the CTG following stimulation. The FSS test was classified as normal when an elicited acceleration and/or provoked fetal heart rate variability was recorded...
May 5, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28473291/oxytocin-administration-during-spontaneous-labor-guidelines-for-clinical-practice-chapter-5-maternal-risk-and-adverse-effects-of-using-oxytocin-augmentation-during-spontaneous-labor
#4
https://www.readbyqxmd.com/read/28471442/an-antenatal-marker-of-neurodevelopmental-outcomes-in-infants-with-congenital-heart-disease
#5
S Siddiqui, W P Fifer, M Ordonez-Retamar, J D Nugent, I A Williams
OBJECTIVE: Prenatal exposures are known to alter fetal neurodevelopment and autonomic control. We aimed to explore the correlation between fetal autonomic activity, measured by fetal heart rate variability, and 18-month developmental outcome in subjects with congenital heart disease. STUDY DESIGN: From 2010 to 2013, 5 fetuses with hypoplastic left heart syndrome, 9 with transposition of the great arteries and 9 with tetralogy of Fallot were included in this prospective cohort study...
May 4, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28438283/effects-of-prenatal-music-stimulation-on-fetal-cardiac-state-newborn-anthropometric-measurements-and-vital-signs-of-pregnant-women-a-randomized-controlled-trial
#6
J García González, M I Ventura Miranda, F Manchon García, T I Pallarés Ruiz, M L Marin Gascón, M Requena Mullor, R Alarcón Rodriguez, T Parron Carreño
BACKGROUND: Music has been used for medicinal purposes throughout history due to its variety of physiological, psychological and social effects. OBJECTIVE: To identify the effects of prenatal music stimulation on the vital signs of pregnant women at full term, on the modification of fetal cardiac status during a fetal monitoring cardiotocograph, and on anthropometric measurements of newborns taken after birth. MATERIAL AND METHOD: A randomized controlled trial was implemented...
May 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/28420502/the-impact-of-situation-background-assessment-recommendation-sbar-on-safety-attitudes-in-the-obstetrics-department
#7
Wan-Hua Ting, Fu-Shiang Peng, Ho-Hsiung Lin, Sheng-Mou Hsiao
OBJECTIVE: Previous studies evaluating the situation-background-assessment-recommendation (SBAR) have been shown to increase effective nurse-physician communication and collaboration. The purpose of this study is to evaluate the impact of the SBAR technique on safety attitudes in the obstetrics department. MATERIALS AND METHODS: This study implemented the SBAR Collaborative Communication Education course and was conducted in a medical center from February 2012 to March 2015, which included an educational session on fetal heart rate monitoring, a case-based discussion, and a video demonstration on traditional and SBAR communication...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420215/a-phonocardiographic-based-fiber-optic-sensor-and-adaptive-filtering-system-for-noninvasive-continuous-fetal-heart-rate-monitoring
#8
Radek Martinek, Jan Nedoma, Marcel Fajkus, Radana Kahankova, Jaromir Konecny, Petr Janku, Stanislav Kepak, Petr Bilik, Homer Nazeran
This paper focuses on the design, realization, and verification of a novel phonocardiographic- based fiber-optic sensor and adaptive signal processing system for noninvasive continuous fetal heart rate (fHR) monitoring. Our proposed system utilizes two Mach-Zehnder interferometeric sensors. Based on the analysis of real measurement data, we developed a simplified dynamic model for the generation and distribution of heart sounds throughout the human body. Building on this signal model, we then designed, implemented, and verified our adaptive signal processing system by implementing two stochastic gradient-based algorithms: the Least Mean Square Algorithm (LMS), and the Normalized Least Mean Square (NLMS) Algorithm...
April 18, 2017: Sensors
https://www.readbyqxmd.com/read/28392944/monitoring-fetal-heart-rate-during-labor-a-comparison-of-three-methods
#9
Tammy Y Euliano, Shalom Darmanjian, Minh Tam Nguyen, John D Busowski, Neil Euliano, Anthony R Gregg
The purpose of the study was to compare the accuracy of a noninvasive fetal heart rate monitor with that of ultrasound, using a fetal scalp electrode as the gold standard, in laboring women of varying body habitus, throughout labor and delivery. Laboring women requiring fetal scalp electrode were monitored simultaneously with the investigational device (noninvasive fetal ECG), ultrasound, and fetal scalp electrode. An algorithm extracted the fetal heart rate from the noninvasive fetal ECG signal. Each noninvasive device recording was compared with fetal scalp electrode with regard to reliability by positive percent agreement and accuracy by root mean squared error...
2017: Journal of Pregnancy
https://www.readbyqxmd.com/read/28391212/tracking-fetal-movement-through-source-localization-from-multisensor-magnetocardiographic-recordings
#10
Recep Avci, James Wilson, Diana Escalona-Vargas, Hari Eswaran
Due to its high spatial and temporal resolution, fetal magnetocardiography (fMCG) measurements have been used for fetal movement (FM) detection in several studies which considered the changes in the amplitude and/or morphology of measured fMCG signals. Using source localization for fMCG measurements, we propose a novel method to fit a magnetic dipole moment to fetal heart signals and investigate the positional changes of magnetic dipole in order to detect FMs. We first split each fMCG recording into 6-second time windows...
April 4, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28362581/non-invasive-fetal-ecg-signal-quality-assessment-for-multichannel-heart-rate-estimation
#11
Fernando Andreotti, Felix Grasser, Hagen Malberg, Sebastian Zaunseder
OBJECTIVE: The non-invasive fetal ECG (NI-FECG) from abdominal recordings offers novel prospects for prenatal monitoring. However, NI-FECG signals are corrupted by various non-stationary noise sources, making the processing of abdominal recordings a challenging task. In this contribution, we present an online approach that dynamically assess the quality of NI-FECG to improve fetal heart rate (FHR) estimation. METHODS: Using a Naive Bayes classifier, state-of-the-art and novel signal quality indices (SQIs), and an existing adaptive Kalman filter, FHR estimation was improved...
March 1, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28350703/rf-safety-analysis-of-a-novel-ultra-wideband-fetal-monitoring-system
#12
Jerrold T Bushberg, J Paul Tupin
The LifeWave Ultra-Wideband RF sensor (LWUWBS) is a monitoring solution for a variety of physiologic assessment applications, including maternal fetal monitoring in both the antepartum and intrapartum periods. The system uses extremely low power radio frequency (RF) ultra-wide band (UWB) signals to provide continuous fetal heart rate and contractions monitoring during labor and delivery. Even with the incorporation of three very conservative assumptions, (1) concentration of the RF energy in 1 cm, (2) minimal (2...
May 2017: Health Physics
https://www.readbyqxmd.com/read/28341515/computerised-interpretation-of-fetal-heart-rate-during-labour-infant-a-randomised-controlled-trial
#13
(no author information available yet)
BACKGROUND: Continuous electronic fetal heart-rate monitoring is widely used during labour, and computerised interpretation could increase its usefulness. We aimed to establish whether the addition of decision-support software to assist in the interpretation of cardiotocographs affected the number of poor neonatal outcomes. METHODS: In this unmasked randomised controlled trial, we recruited women in labour aged 16 years or older having continuous electronic fetal monitoring, with a singleton or twin pregnancy, and at 35 weeks' gestation or more at 24 maternity units in the UK and Ireland...
April 29, 2017: Lancet
https://www.readbyqxmd.com/read/28301895/association-of-fetal-heart-rate-baseline-change-and-neonatal-outcomes
#14
Michael Yang, Molly J Stout, Julia D López, Ryan Colvin, George A Macones, Alison G Cahill
Objective The objective of this study was to describe the incidence of baseline change within normal range during labor and its prediction of neonatal outcomes. Materials and Methods This was a prospective cohort of singleton, nonanomalous, term neonates with continuous electronic fetal monitoring and normal baseline fetal heart rate throughout the last 2 hours of labor. We determined baseline in 10-minute segments using Eunice Kennedy Shriver National Institute of Child Health and Human Development criteria...
March 16, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28269185/ultrasound-transducer-positioning-aid-for-fetal-heart-rate-monitoring
#15
Paul Hamelmann, Alex Kolen, Lars Schmitt, Rik Vullings, Hans van Assen, Massimo Mischi, Libertario Demi, Judith van Laar, Jan Bergmans
Fetal heart rate (fHR) monitoring is usually performed by Doppler ultrasound (US) techniques. For reliable fHR measurements it is required that the fetal heart is located within the US beam. In clinical practice, clinicians palpate the maternal abdomen to identify the fetal presentation and then the US transducer is fixated on the maternal abdomen where the best fHR signal can be obtained. Finding the optimal transducer position is done by listening to the strength of the Doppler audio output and relying on a signal quality indicator of the cardiotocographic (CTG) measurement system...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268473/comparison-of-data-mining-techniques-applied-to-fetal-heart-rate-parameters-for-the-early-identification-of-iugr-fetuses
#16
G Magenes, R Bellazzi, A Malovini, M G Signorini
The onset of fetal pathologies can be screened during pregnancy by means of Fetal Heart Rate (FHR) monitoring and analysis. Noticeable advances in understanding FHR variations were obtained in the last twenty years, thanks to the introduction of quantitative indices extracted from the FHR signal. This study searches for discriminating Normal and Intra Uterine Growth Restricted (IUGR) fetuses by applying data mining techniques to FHR parameters, obtained from recordings in a population of 122 fetuses (61 healthy and 61 IUGRs), through standard CTG non-stress test...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28238025/anesthetic-management-of-abdominal-radical-trachelectomy-for-uterine-cervical-cancer-during-pregnancy
#17
Jun Terukina, Misako Takamatsu, Takayuki Enomoto, Hiroshi Baba
Abdominal radical trachelectomy has been identified as a surgical option for fertility preservation in cervical cancer patients, particularly in pregnant women who strongly desire to continue their pregnancy. Since this procedure requires operating in the uterus, the hardness of the uterus can affect the ease of surgery. Generally, sevoflurane is used for anesthesia in non-obstetric surgery for pregnant women because uterine relaxation is advantageous for uterine blood flow maintenance. However, the use of sevoflurane during radical trachelectomy has not been thoroughly evaluated...
February 25, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28227415/ultrasound-transducer-positioning-aid-for-fetal-heart-rate-monitoring
#18
Paul Hamelmann, Alex Kolen, Lars Schmitt, Rik Vullings, Hans van Assen, Massimo Mischi, Libertario Demi, Judith van Laar, Jan Bergmans, Paul Hamelmann, Alex Kolen, Lars Schmitt, Rik Vullings, Hans van Assen, Massimo Mischi, Libertario Demi, Judith van Laar, Jan Bergmans, Alex Kolen, Judith Van Laar, Paul Hamelmann, Libertario Demi, Lars Schmitt, Rik Vullings, Hans Van Assen, Massimo Mischi, Jan Bergmans
Fetal heart rate (fHR) monitoring is usually performed by Doppler ultrasound (US) techniques. For reliable fHR measurements it is required that the fetal heart is located within the US beam. In clinical practice, clinicians palpate the maternal abdomen to identify the fetal presentation and then the US transducer is fixated on the maternal abdomen where the best fHR signal can be obtained. Finding the optimal transducer position is done by listening to the strength of the Doppler audio output and relying on a signal quality indicator of the cardiotocographic (CTG) measurement system...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226646/comparison-of-data-mining-techniques-applied-to-fetal-heart-rate-parameters-for-the-early-identification-of-iugr-fetuses
#19
G Magenes, R Bellazzi, A Malovini, M G Signorini, G Magenes, R Bellazzi, A Malovini, M G Signorini, R Bellazzi, M G Signorini, G Magenes, A Malovini
The onset of fetal pathologies can be screened during pregnancy by means of Fetal Heart Rate (FHR) monitoring and analysis. Noticeable advances in understanding FHR variations were obtained in the last twenty years, thanks to the introduction of quantitative indices extracted from the FHR signal. This study searches for discriminating Normal and Intra Uterine Growth Restricted (IUGR) fetuses by applying data mining techniques to FHR parameters, obtained from recordings in a population of 122 fetuses (61 healthy and 61 IUGRs), through standard CTG non-stress test...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28191626/intermittent-auscultation-ia-of-fetal-heart-rate-in-labour-for-fetal-well-being
#20
REVIEW
Ruth Martis, Ova Emilia, Detty S Nurdiati, Julie Brown
BACKGROUND: The goal of fetal monitoring in labour is the early detection of a hypoxic baby. There are a variety of tools and methods available for intermittent auscultation (IA) of the fetal heart rate (FHR). Low- and middle-income countries usually have only access to a Pinard/Laënnec or the use of a hand-held Doppler device. Currently, there is no robust evidence to guide clinical practice on the most effective IA tool to use, timing intervals and length of listening to the fetal heart for women during established labour...
February 13, 2017: Cochrane Database of Systematic Reviews
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