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Fetal heart rate monitoring

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https://www.readbyqxmd.com/read/28631514/pharmacokinetics-and-dosing-requirements-of-digoxin-in-pregnant-women-treated-for-fetal-supraventricular-tachycardia
#1
Ana Martin-Suarez, Jose German Sanchez-Hernandez, Fabiola Medina-Barajas, Jonas Samuel Perez Blanco, Jose M Lanao, Luisa Garcia-Cuenllas Alvarez, M Victoria Calvo
BACKGROUND: The objective of this study was to characterize the pharmacokinetics (PK) of digoxin in pregnant women and its potential implications for drug dosing. METHODS: Serum digoxin concentrations (SDCs) obtained in pregnant women treated for fetal supraventricular tachycardia (SVT) was retrospectively collected. PK analysis was comparatively performed using a two-stage approach (PKS™) and a Population PK approach (NONMEM™). As clinical outcome the fetal heart rate was recorded...
June 20, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28629247/obstetric-practice-patterns-in-pregnancies-complicated-by-fetal-trisomy-13-or-18
#2
Sarah K Dotters-Katz, Marcela C Smid, Cora Mcelwain, Jeffrey A Kuller, Jay Schulkin
PURPOSE: Describe practice patterns among obstetrician/gynecologists (OB/GYNs) when caring for women with pregnancy complicated by fetal trisomy 13(T13) or 18(T18), and compare these between maternal-fetal-medicine (MFM) and non-MFM providers. MATERIALS AND METHODS: We conducted an electronic survey using the American College of Obstetricians and Gynecologists database. Using simple statistics, we describe demographics and practice patterns among respondents, and compare those of MFM practitioners with non-MFM providers...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28629246/clinical-significance-of-primary-symptoms-in-women-with-placental-abruption
#3
Youwen Mei, Yonghong Lina
BACKGROUND: To evaluate the clinical significance of primary symptoms in women with placental abruption. METHODS: A retrospective study of 273 cases of placental abruption was performed. The subjects were classified into 2 groups according to primary symptoms: 210 cases of vaginal bleeding group and 63 cases of abdominal pain group. The clinical features, maternal and neonatal outcomes were compared between two groups. RESULTS: The incidence of preeclampsia and preterm birth in vaginal bleeding group was significantly lower than abdominal pain group, while the incidence of premature rupture of membrane (PROM) in the former group was higher than that in the latter group...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28619691/a-mouse-model-of-antepartum-stillbirth
#4
Anum Rahman, Lindsay S Cahill, Yu-Qing Zhou, Johnathan Hoggarth, Monique Y Rennie, Mike Seed, Christopher K Macgowan, John C Kingdom, S Lee Adamson, John G Sled
BACKGROUND: Many stillbirths of normally-formed fetuses in the third trimester could be prevented via delivery if reliable means to anticipate this outcome existed. However, since the etiology of these stillbirths is often unexplained and, although the underlying mechanism is presumed to be hypoxia from "placental insufficiency", the placentas often appear normal on histopathologic examination. Gestational age is a risk factor for antepartum stillbirth, with a rapid rise in stillbirth rates after 40 weeks gestation...
June 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28595604/functionality-and-acceptability-of-a-wireless-fetal-heart-rate-monitoring-device-in-term-pregnant-women-in-rural-southwestern-uganda
#5
Godfrey R Mugyenyi, Esther C Atukunda, Joseph Ngonzi, Adeline Boatin, Blair J Wylie, Jessica E Haberer
BACKGROUND: Over 3 million stillbirths occur annually in sub Saharan Africa; most occur intrapartum and are largely preventable. The standard of care for fetal heart rate (FHR) assessment in most sub-Saharan African settings is a Pinard Stethoscope, limiting observation to one person, at one point in time. We aimed to test the functionality and acceptability of a wireless FHR monitor that could allow for expanded monitoring capacity in rural Southwestern Uganda. METHODS: In a mixed method prospective study, we enrolled 1) non-laboring healthy term pregnant women to wear the device for 30 min and 2) non-study clinicians to observe its use...
June 8, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28591756/the-fetal-reserve-index-re-engineering-the-interpretation-and-responses-to-fetal-heart-rate-patterns
#6
Robert D Eden, Mark I Evans, Shara M Evans, Barry S Schifrin
OBJECTIVE: Electronic fetal monitoring (EFM) correlates poorly with neonatal outcome. We present a new metric: the "Fetal Reserve Index" (FRI), formally incorporating EFM with maternal, obstetrical, fetal risk factors, and excessive uterine activity for assessment of risk for cerebral palsy (CP). METHODS: We performed a retrospective, case-control series of 50 term CP cases with apparent intrapartum neurological injury and 200 controls. All were deemed neurologically normal on admission...
June 8, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28574580/echographic-features-and-perinatal-outcomes-in-fetuses-with-congenital-absence-of-ductus-venosus
#7
Raquel Garcia-Delgado, Raquel Garcia-Rodriguez, Azahar Romero Requejo, Marta Armas Roca, Luciana Obreros Zegarra, Margarita Medina Castellano, Jose A Garcia Hernandez
The purpose of this study was to describe the echographic features and perinatal outcomes of fetuses with absence of ductus venosus (ADV) MATERIAL AND METHODS: Retrospective review of 10 cases with ADV diagnosed by prenatal ultrasonography between January 2014 and February 2016 at a single referral center. Prenatal findings, umbilical shunting type, perinatal outcomes, and autopsy reports were reviewed RESULTS: A total of 11 491 fetuses underwent a first and second trimester screening during the study period...
June 2, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28559852/is-abdominal-fetal-electrocardiography-an-alternative-to-doppler-ultrasound-for-fhr-variability-evaluation
#8
Janusz Jezewski, Janusz Wrobel, Adam Matonia, Krzysztof Horoba, Radek Martinek, Tomasz Kupka, Michal Jezewski
Great expectations are connected with application of indirect fetal electrocardiography (FECG), especially for home telemonitoring of pregnancy. Evaluation of fetal heart rate (FHR) variability, when determined from FECG, uses the same criteria as for FHR signal acquired classically-through ultrasound Doppler method (US). Therefore, the equivalence of those two methods has to be confirmed, both in terms of recognizing classical FHR patterns: baseline, accelerations/decelerations (A/D), long-term variability (LTV), as well as evaluating the FHR variability with beat-to-beat accuracy-short-term variability (STV)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28555426/a-novel-approach-to-the-extraction-of-fetal-electrocardiogram-based-on-empirical-mode-decomposition-and-correlation-analysis
#9
Peyman Ghobadi Azbari, Mostafa Abdolghaffar, Saeed Mohaqeqi, Mohammad Pooyan, Alireza Ahmadian, Niloofar Ghanbarzadeh Gashti
Fetal heart rate monitoring is the process of checking the condition of the fetus during pregnancy and it would allow doctors and nurses to detect early signs of trouble during labor and delivery. The fetal ECG (FECG) signal is so weak and also is corrupted by other signals and noises, mainly by maternal ECG signal. It is so hard to acquire a noise-free, precise and reliable FECG using the conventional methods. In this study, a combination of empirical mode decomposition (EMD) algorithms, correlation and match filtering is used for extracting FECG from maternal abdominal ECG signals...
May 29, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28532196/fetal-and-neonatal-involvement-in-maternal-rheumatologic-disease
#10
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's syndrome (pSS) tends to result in preterm delivery and low birthweight infants...
June 8, 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
#11
B Coulm, V Tessier
No abstract text is available yet for this article.
May 16, 2017: Journal of gynecology obstetrics and human reproduction
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
#12
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
#13
A Rousseau, A Burguet
No abstract text is available yet for this article.
May 1, 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28471442/an-antenatal-marker-of-neurodevelopmental-outcomes-in-infants-with-congenital-heart-disease
#14
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
#15
RANDOMIZED CONTROLLED TRIAL
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
#16
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
#17
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
#18
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
#19
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
#20
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
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