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Cardiotocography

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https://www.readbyqxmd.com/read/29219011/meconium-aspiration-syndrome-risk-factors-and-predictors-of-severity
#1
Cláudia Patrícia Lourenço Oliveira, Filipa Flôr-de-Lima, Gustavo Marcondes Duarte Rocha, Ana Paula Machado, Maria Hercília Ferreira Guimarães Pereira Areias
PURPOSE: To identify risk factors and predictors of severity associated with meconium aspiration syndrome (MAS) in the patients admitted to the neonatal intensive care unit (NICU). MATERIALS AND METHODS: Retrospective study including newborns admitted, between 2005 and 2015, with a diagnosis of MAS. RESULTS: Of the newborns admitted to the NICU, 0.66% were diagnosed with MAS. These had higher prevalence of caesarean delivery (p < .001), nonreassuring or abnormal cardiotocography (CTG) (p < ...
December 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29215160/new-figo-and-swedish-intrapartum-cardiotocography-classification-systems-incorporated-in-the-fetal-ecg-st-analysis-stan-interpretation-algorithm-agreements-and-discrepancies-in-cardiotocography-classification-and-evaluation-of-significant-st-events
#2
Per Olofsson, Håkan Norén, Ann Carlsson
The updated intrapartum cardiotocography (CTG) classification system by FIGO in 2015 (FIGO2015) and the FIGO2015-approached classification by the Swedish Society of Obstetricians and Gynecologist in 2017 (SSOG2017) are not harmonized with the fetal ECG ST analysis (STAN) algorithm from 2007 (STAN2007). The study aimed to reveal homogeneity and agreement between the systems in classifying CTG and ST events, and relate to maternal and perinatal outcomes MATERIAL AND METHODS: Among CTG traces with ST events, 100 traces originally classified as normal, 100 as suspicious and 100 as pathological were randomly selected from a STAN database and classified by two experts in consensus...
December 7, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29201590/investigating-ph-based-evaluation-of-fetal-heart-rate-fhr-recordings
#3
George Georgoulas, Petros Karvelis, Jiří Spilka, Václav Chudáček, Chrysostomos D Stylios, Lenka Lhotská
Cardiotocography (CTG) is a standard tool for the assessment of fetal well-being during pregnancy and delivery. However, its interpretation is associated with high inter- and intra-observer variability. Since its introduction there have been numerous attempts to develop computerized systems assisting the evaluation of the CTG recording. Nevertheless these systems are still hardly used in a delivery ward. Two main approaches to computerized evaluation are encountered in the literature; the first one emulates existing guidelines, while the second one is more of a data-driven approach using signal processing and computational methods...
2017: Health and Technology
https://www.readbyqxmd.com/read/29159882/cardiotocography-versus-intermittent-auscultation-of-foetal-heart-on-admission-to-labour-ward-for-assessment-of-foetal-wellbeing
#4
Amanda Wilson
No abstract text is available yet for this article.
November 21, 2017: International Journal of Nursing Practice
https://www.readbyqxmd.com/read/29089896/a-comparative-study-on-fetal-heart-rates-estimated-from-fetal-phonography-and-cardiotocography
#5
Emad A Ibrahim, Shamsa Al Awar, Zuhur H Balayah, Leontios J Hadjileontiadis, Ahsan H Khandoker
The aim of this study is to investigate that fetal heart rates (fHR) extracted from fetal phonocardiography (fPCG) could convey similar information of fHR from cardiotocography (CTG). Four-channel fPCG sensors made of low cost (<$1) ceramic piezo vibration sensor within 3D-printed casings were used to collect abdominal phonogram signals from 20 pregnant mothers (>34 weeks of gestation). A novel multi-lag covariance matrix-based eigenvalue decomposition technique was used to separate maternal breathing, fetal heart sounds (fHS) and maternal heart sounds (mHS) from abdominal phonogram signals...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29060570/statistical-baseline-assessment-in-cardiotocography
#6
Angela Agostinelli, Eleonora Braccili, Enrico Marchegiani, Riccardo Rosati, Agnese Sbrollini, Luca Burattini, Micaela Morettini, Francesco Di Nardo, Sandro Fioretti, Laura Burattini
Cardiotocography (CTG) is the most common non-invasive diagnostic technique to evaluate fetal well-being. It consists in the recording of fetal heart rate (FHR; bpm) and maternal uterine contractions. Among the main parameters characterizing FHR, baseline (BL) is fundamental to determine fetal hypoxia and distress. In computerized applications, BL is typically computed as mean FHR±ΔFHR, with ΔFHR=8 bpm or ΔFHR=10 bpm, both values being experimentally fixed. In this context, the present work aims: to propose a statistical procedure for ΔFHR assessment; to quantitatively determine ΔFHR value by applying such procedure to clinical data; and to compare the statistically-determined ΔFHR value against the experimentally-determined ΔFHR values...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29060433/ctg-analyzer-a-graphical-user-interface-for-cardiotocography
#7
Agnese Sbrollini, Angela Agostinelli, Luca Burattini, Micaela Morettini, Francesco Di Nardo, Sandro Fioretti, Laura Burattini
Cardiotocography (CTG) is the most commonly used test for establishing the good health of the fetus during pregnancy and labor. CTG consists in the recording of fetal heart rate (FHR; bpm) and maternal uterine contractions (UC; mmHg). FHR is characterized by baseline, baseline variability, tachycardia, bradycardia, acceleration and decelerations. Instead, UC signal is characterized by presence of contractions and contractions period. Such parameters are usually evaluated by visual inspection. However, visual analysis of CTG recordings has a well-demonstrated poor reproducibility, due to the complexity of physiological phenomena affecting fetal heart rhythm and being related to clinician's experience...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29037175/a-ten-year-study-of-midwife-led-care-at-an-austrian-tertiary-care-center-a-retrospective-analysis-with-special-consideration-of-perineal-trauma
#8
Barbara Bodner-Adler, Oliver Kimberger, Julia Griebaum, Peter Husslein, Klaus Bodner
BACKGROUND: In contrast to other countries, Austria rarely offers alternative models to medical led-care. In an attempt to improve the facilities, a midwife-led care service was incorporated within the Department of Obstetrics and Fetomaternal Medicine. The aim of the present study was to analyze the maternal and neonatal outcomes of this approach. METHODS: Over a 10-years period, a total of 2123 low-risk women receiving midwife-led care were studied. Among these women, 148 required obstetric referral...
October 16, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28969216/decreased-foetal-movements-secondary-to-uterine-septum-a-case-report-and-proposed-algorithm-of-management
#9
Eram Ali, Tamkin Khan, Deeba Khanam
Congenital uterine anomaly has been well established as cause of infertility and recurrent pregnancy loss. However, only few studies have reported the association of mullerian anomalies and adverse pregnancy outcome in third trimester. We are hereby reporting a case of 25-year- old female second gravida who presented at 36 weeks six days pregnancy with complaint of decreased foetal movements for the past two weeks. The female had previous history of multiple admissions on account of decreased foetal movements in the third trimester...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28945767/chorioamnionitis-following-preterm-premature-rupture-of-membranes-and-fetal-heart-rate-variability
#10
Laurent Vandenbroucke, Matthieu Doyen, Maëla Le Lous, Alain Beuchée, Philippe Loget, Guy Carrault, Patrick Pladys
INTRODUCTION: The objective of this study was to identify prenatal markers of histological chorioamnionitis (HC) during pPROM using fetal computerized cardiotocography (cCTG). MATERIALS AND METHODS: Retrospective review of medical records from pregnant women referred for pPROM between 26 and 34 weeks, in whom placental histology was available, in a tertiary level obstetric service over a 5-year period. Fetal heart rate variability was assessed using cCTG. Patients were included if they were monitored at least six times in the 72 hours preceding delivery...
2017: PloS One
https://www.readbyqxmd.com/read/28934940/human-development-index-hdi-of-the-maternal-country-of-origin-as-a-predictor-of-perinatal-outcomes-a-longitudinal-study-conducted-in-spain
#11
S Garcia-Tizon Larroca, J Arevalo-Serrano, A Duran Vila, M P Pintado Recarte, I Cueto Hernandez, A Solis Pierna, S Lizarraga Bonelli, J De Leon-Luis
BACKGROUND: In an era of worldwide population displacement, recent studies have identified strong associations between social situations and perinatal outcomes among immigrants. Little is known about the effect of maternal social background on pregnancy outcomes. The Human Development Index (HDI) assesses the following dimensions of human development: life expectancy, education level and income. The objective of our study was to determine if maternal HDI may be used to identify women at increased odds of poor pregnancy outcomes...
September 21, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28902389/women-s-experiences-of-continuous-fetal-monitoring-a-mixed-methods-systematic-review
#12
Alexandra Crawford, Dexter Hayes, Edward D Johnstone, Alexander E P Heazell
INTRODUCTION: Antepartum stillbirth is often preceded by detectable signs of fetal compromise, including changes in fetal heart rate and movement. It is hypothesised that continuous fetal monitoring could detect these signs more accurately and objectively than current forms of fetal monitoring and allow for timely intervention. This systematic review aimed to explore available evidence on women's experiences of continuous fetal monitoring to investigate its acceptability prior to clinical implementation and to inform clinical studies...
September 13, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28899619/first-do-the-experiment-do-computerised-interpretation-of-cardiotocography-and-other-widely-used-interventions-improve-newborn-outcomes
#13
REVIEW
Philip Steer
The introduction of continuous electronic fetal heart rate monitoring (EFM) in labour has coincided with a steady and remarkable fall in perinatal mortality. Whether this is cause or coincidence remains unclear because randomised trials have been underpowered. Attempts to improve the sensitivity and specificity of fetal compromise detection using fetal blood sampling and pH measurement, pulse oximetry, and fetal electrocardiogram analysis have failed to provide evidence of additional value in randomised trials...
November 2017: Early Human Development
https://www.readbyqxmd.com/read/28862738/doppler-based-fetal-heart-rate-analysis-markers-for-the-detection-of-early-intrauterine-growth-restriction
#14
Lisa Stroux, Christopher W Redman, Antoniya Georgieva, Stephen J Payne, Gari D Clifford
INTRODUCTION: One indicator for fetal risk of mortality is intrauterine growth restriction (IUGR). Whether markers reflecting the impact of growth restriction on the cardiovascular system, computed from a Doppler-derived heart rate signal, would be suitable for its detection antenatally was studied. MATERIAL AND METHODS: We used a cardiotocography archive of 1163 IUGR cases and 1163 healthy controls, matched for gestation and gender. We assessed the discriminative power of short-term variability and long-term variability of the fetal heart rate, computed over episodes of high and low variation aiming to separate growth-restricted fetuses from controls...
November 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28782450/predictive-value-of-fetal-scalp-ph-and-base-excess-for-fetal-acidosis-and-poor-neonatal-outcome
#15
Panagiotis Tsikouras, Zacharoula Koukouli, Barbara Niesigk, Bachar Manav, George Farmakides, Roland Csorba, Georgios Galazios, Alexander Tobias Teichmann
OBJECTIVE: The objective of this study is to assess retrospectively the predictive value of fetal scalp pH and base excess (BE) for fetal acidosis and poor neonatal outcome in term, low-risk, spontaneous deliveries with suspicious or pathological intrapartum cardiotocography (CTG) tracings. METHODS: Umbilical artery pH and BE values obtained immediately after delivery and Apgar score were the outcomes under consideration. Statistics included receiver-operating characteristic curve (ROC) and multiple logistic regression analysis...
August 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28735176/reduced-short-term-variation-following-antenatal-administration-of-betamethasone-is-reduced-fetal-size-a-predisposing-factor
#16
Tullio Ghi, Andrea Dall'Asta, Gabriele Saccone, Federica Bellussi, Tiziana Frusca, Pasquale Martinelli, Gianluigi Pilu, Nicola Rizzo
OBJECTIVE: To assess the association between fetal size and the incidence of reduced short-term variability (STV) following bethametasone administration for fetal lung maturity. STUDY DESIGN: This was a retrospective, multicenter, cohort study conducted in two Tertiary University Units. Only uncomplicated singleton pregnancies admitted for threatened preterm labor between 26 and 34 weeks and submitted to betamethasone for fetal lung maturity were included. Delivery occurring within 72h from betamethasone administration represented criteria for exclusion...
September 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28715659/fetal-heart-rate-variation-after-corticosteroids-for-fetal-maturation
#17
Olga Knaven, Wessel Ganzevoort, Marjon de Boer, Hans Wolf
INTRODUCTION: Several studies report a decrease of fetal heart rate (FHR) short-term variation (STV) after corticosteroids for improvement of fetal maturity and advice not to deliver a fetus for low STV within 2-3days after corticosteroids. However, literature is not unanimous in this respect. This study intends to asses STV longitudinally after corticosteroid administration. MATERIAL AND METHODS: A retrospective cohort study in a tertiary perinatal centre from 2009 to 2015 included all women who had been treated with corticosteroids at gestational age of 26-34 weeks, had a computerized cardiotocography (cCTG) before and after medication and did not deliver within 48h...
September 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28679415/classification-of-caesarean-section-and-normal-vaginal-deliveries-using-foetal-heart-rate-signals-and-advanced-machine-learning-algorithms
#18
Paul Fergus, Abir Hussain, Dhiya Al-Jumeily, De-Shuang Huang, Nizar Bouguila
BACKGROUND: Visual inspection of cardiotocography traces by obstetricians and midwives is the gold standard for monitoring the wellbeing of the foetus during antenatal care. However, inter- and intra-observer variability is high with only a 30% positive predictive value for the classification of pathological outcomes. This has a significant negative impact on the perinatal foetus and often results in cardio-pulmonary arrest, brain and vital organ damage, cerebral palsy, hearing, visual and cognitive defects and in severe cases, death...
July 6, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28649034/electrohysterography-for-uterine-monitoring-during-term-labour-compared-to-external-tocodynamometry-and-intra-uterine-pressure-catheter
#19
Marion W C Vlemminx, Kirsten M J Thijssen, Galin I Bajlekov, Jeanne P Dieleman, M Beatrijs Van Der Hout-Van Der Jagt, S Guid Oei
OBJECTIVE: Current uterine monitoring techniques have major drawbacks that could be avoided when using electrohysterography for uterine monitoring. Recently, a new electrohysterography method has been developed, providing a real-time tocogram on standard cardiotocography monitors. The diagnostic characteristics of this novel method need to be determined and compared to conventional methods We hypothesised that electrohysterography can perform better than external tocodynamometry due to the adhesive properties of the contact electrodes (less motion sensitive), and the improved signal acquisition through subcutaneous tissue (less obesity sensitive)...
June 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28646492/prenatal-perinatal-and-neonatal-risk-factors-for-perinatal-arterial-ischaemic-stroke-a-systematic-review-and-meta-analysis
#20
REVIEW
C Li, J K Miao, Y Xu, Y Y Hua, Q Ma, L L Zhou, H J Liu, Q X Chen
The aim of the present study was to perform a meta-analysis of published data to determine the significance of clinical factors and exposures to the risk of perinatal arterial ischaemic stroke (PAIS) and provide guidance for clinical diagnosis and treatment. A comprehensive literature search of the PubMed, Embase, MEDLINE and Cochrane Library databases for relevant observational studies (cohort/case-control) from March 1984 to March 2016 was undertaken. Two review authors independently examined the full text records to determine which studies met the inclusion criteria and evaluated risk factors for PAIS...
August 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
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