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Cardiotocography

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https://www.readbyqxmd.com/read/29894897/prognostic-model-based-on-image-based-time-frequency-features-and-genetic-algorithm-for-fetal-hypoxia-assessment
#1
Zafer Cömert, Adnan Fatih Kocamaz, Velappan Subha
Cardiotocography (CTG) is applied routinely for fetal monitoring during the perinatal period to decrease the rates of neonatal mortality and morbidity as well as unnecessary interventions. The analysis of CTG traces has become an indispensable part of present clinical practices; however, it also has serious drawbacks, such as poor specificity and variability in its interpretation. The automated CTG analysis is seen as the most promising way to overcome these disadvantages. In this study, a novel prognostic model is proposed for predicting fetal hypoxia from CTG traces based on an innovative approach called image-based time-frequency (IBTF) analysis comprised of a combination of short time Fourier transform (STFT) and gray level co-occurrence matrix (GLCM)...
June 6, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29888259/a-comprehensive-evaluation-of-the-predictive-abilities-of-fetal-electrocardiogram-derived-parameters-during-labor-in-newborn-acidemia-our-institutional-experience
#2
Ning Tian, Weiyuan Zhang
This study aimed to identify cardiotocography patterns that discriminate fetal acidemia newborns by comprehensively evaluating the parameters obtained from Holter monitoring during delivery. Between June 1, 2015, and August 1, 2016, a prospective observational study of 85 patients was conducted using fetal Holter monitoring at the Beijing Obstetrics and Gynecology Hospital, Capital Medical University, China. Umbilical cord blood was sampled immediately after delivery and fetal acidemia was defined as umbilical cord arterial blood pH < 7...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29879462/pravastatin-l-arginine-combination-improves-umbilical-artery-blood-flow-and-neonatal-outcomes-in-dichorionic-twin-pregnancies-through-an-nitric-oxide-dependent-vasorelaxant-effect
#3
Aleksandar Jurisic, Zaklina Jurisic, Eleftheria Lefkou, Joaquim Pombo, Guillermina Girardi
The increase in fetal and neonatal morbidity and mortality associated with twin pregnancies correlates with an increased risk of preterm delivery, low birth weight, and intrauterine growth restriction (IUGR). Although the pathogenesis of IUGR is unclear and thus management remains a major challenge, feto-placental blood vessels are compromised, and altered umbilical blood flow is observed. In this pilot observational study we investigated the effects of pravastatin plus l-arginine on umbilical artery (umb art) blood flow...
June 4, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29871855/ehealth-as-the-next-generation-perinatal-care-an-overview-of-the-literature
#4
REVIEW
Josephus Fm van den Heuvel, T Katrien Groenhof, Jan Hw Veerbeek, Wouter W van Solinge, A Titia Lely, Arie Franx, Mireille N Bekker
BACKGROUND: Unrestricted by time and place, electronic health (eHealth) provides solutions for patient empowerment and value-based health care. Women in the reproductive age are particularly frequent users of internet, social media, and smartphone apps. Therefore, the pregnant patient seems to be a prime candidate for eHealth-supported health care with telemedicine for fetal and maternal conditions. OBJECTIVE: This study aims to review the current literature on eHealth developments in pregnancy to assess this new generation of perinatal care...
June 5, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29863146/machine-learning-from-fetal-flow-waveforms-to-predict-adverse-perinatal-outcomes-a-study-protocol
#5
Zahra Hoodbhoy, Babar Hasan, Fyezah Jehan, Bart Bijnens, Devyani Chowdhury
Background: In Pakistan, stillbirth rates and early neonatal mortality rates are amongst the highest in the world. The aim of this study is to provide proof of concept for using a computational model of fetal haemodynamics, combined with machine learning. This model will be based on Doppler patterns of the fetal cardiovascular, cerebral and placental flows with the goal to identify those fetuses at increased risk of adverse perinatal outcomes such as stillbirth, perinatal mortality and other neonatal morbidities...
February 12, 2018: Gates open research
https://www.readbyqxmd.com/read/29799630/fetal-heart-rate-short-term-variation-during-labor-in-relation-to-scalp-blood-lactate-concentration
#6
Ke Lu, Malin Holzmann, Fahrad Abtahi, Kaj Lindecrantz, Pelle G Lindqvist, Lennart Nordstrom
INTRODUCTION: Fetal heart rate short term variation (STV) decreases with severe chronic hypoxia in the antenatal period. However, only limited research has been done on STV during labor. We have tested a novel algorithm for a valid baseline estimation and calculated STV. To explore the value of STV during labor we compared STV with fetal scalp blood (FBS) lactate concentration, an early marker in the hypoxic process. MATERIAL AND METHODS: A software was developed which estimates baseline frequency using a novel algorithm and thereby calculate STV according to Dawes and Redman in up to four 30 minute blocks prior to each FBS...
May 25, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29794915/cardiotocography-vs-intermittent-auscultation-in-assessing-fetal-well-being
#7
Sara Bayes, Lisa Whitehead
Editor's note: This is a summary of a nursing care-related systematic review from the Cochrane Library. For more information, see http://nursingcare.cochrane.org.
June 2018: American Journal of Nursing
https://www.readbyqxmd.com/read/29793572/electronic-fetal-monitoring-or-cardiotocography-50-years-later-what-s-in-a-name
#8
EDITORIAL
Diogo Ayres-de-Campos
No abstract text is available yet for this article.
June 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29777635/reducing-the-number-of-obstetrical-beds-by-challenging-traditions
#9
Camilla Dalby Salvig, Marie Højriis Storkholm, Jannie Dalby Salvig, Niels Uldbjerg
The aim of this commentary is to describe changes in women care at an obstetric department that made it possible to reduce the number of beds from 40 to 29. Patient pathways were reviewed and revised using lean methodology. The mean length of stay was reduced from 70 to 59 hours and the mean numbers of hospitalizations per woman from 1.26 to 1.20. At the organizational level, we introduced a Family Department, home management of newborns, home monitoring of the women with cardiotocography and blood samples, and intrapartum Group B Streptococcus-PCR...
May 19, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29768660/validation-of-a-computerized-algorithm-to-quantify-fetal-heart-rate-deceleration-area
#10
Erika Gyllencreutz, Ke Lu, Kaj Lindecrantz, Pelle G Lindqvist, Lennart Nordstrom, Malin Holzmann, Farhad Abtahi
INTRODUCTION: Reliability in visual cardiotocography interpretation is unsatisfying, which has led to development of computerized cardiotocography. Computerized analysis is well established for antenatal fetal surveillance, but has yet not performed sufficiently during labor. We aimed to investigate the capacity of a new computerized algorithm compared to visual assessment in identifying intrapartum fetal heart rate baseline and decelerations. MATERIAL AND METHODS: Three-hundred-and-twelve intrapartum cardiotocography tracings with variable decelerations were analysed by the computerized algorithm and visually examined by two observers, blinded to each other and the computer analysis...
May 16, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29758955/fetal-heart-rate-monitoring-device-using-condenser-microphone-sensor-validation-and-comparison-to-standard-devices
#11
Husna Azyan Binti Ahmad, Ismail M El-Badawy, Om Prakash Singh, Rozana Binti Hisham, M B Malarvili
BACKGROUND: Fetal heart rate (FHR) monitoring device is highly demanded to assess the fetus health condition in home environments. Conventional standard devices such as ultrasonography and cardiotocography are expensive, bulky and uncomfortable and consequently not suitable for long-term monitoring. Herein, we report a device that can be used to measure fetal heart rate in clinical and home environments. METHODS: The proposed device measures and displays the FHR on a screen liquid crystal display (LCD)...
April 27, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29724142/interobserver-agreement-in-analysis-of-cardiotocograms-recorded-during-trial-of-labor-after-cesarean
#12
M Caning, D L A Thisted, I Amer-Wählin, G H Laier, L Krebs
INTRODUCTION: To examine interobserver agreement in intrapartum cardiotocography (CTG) classification in women undergoing trial of labor after a cesarean section (TOLAC) at term with or without complete uterine rupture. MATERIALS AND METHODS: Nineteen blinded and independent Danish obstetricians assessed CTG tracings from 47 women (174 individual pages) with a complete uterine rupture during TOLAC and 37 women (133 individual pages) with no uterine rupture during TOLAC...
May 3, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29690730/-a-clinical-retrospective-study-on-160-cases-of-multiple-umbilical-cord-around-the-neck
#13
Y Q Zhang, W Zhao, K T Chu, Y Zhao, L P Chen, Y Yu, X J Han
Objective: To compare the neonatal and maternal outcomes between the patients with umbilical cord around the neck (≥3 loops) and with (1 or 2 loops). Methods: A retrospective analysis was conducted on the clinical data of 160 cases with multiple umbilical cord around the neck (≥3 loops) in the Department of Obstetrics, Women's Hospital School of Medicine Zhejiang University between January 2014 and April 2017.For each case, two control women who gave birth at the same day with vertex position and singletons were selected...
April 17, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29622500/max-dd-dt-a-novel-parameter-to-assess-fetal-cardiac-contractility-and-a-substitute-for-max-dp-dt
#14
Yasuyuki Fujita, Ryo Kiyokoba, Yasuo Yumoto, Kiyoko Kato
Aortic pulse waveforms are composed of a forward wave from the heart and a reflection wave from the periphery. We focused on this forward wave and suggested a new parameter, the maximum slope of aortic pulse waveforms (max dD/dt), for fetal cardiac contractility. Max dD/dt was calculated from fetal aortic pulse waveforms recorded with an echo-tracking system. A normal range of max dD/dt was constructed in 105 healthy fetuses using linear regression analysis. Twenty-two fetuses with suspected fetal cardiac dysfunction were divided into normal and decreased max dD/dt groups, and their clinical parameters were compared...
July 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29536649/hyperbaric-oxygenation-and-glucose-amino-acids-substitution-in-human-severe-placental-insufficiency
#15
Michael Tchirikov, Erich Saling, Gauri Bapayeva, Michael Bucher, Oliver Thews, Gregor Seliger
In the first case, the AA and glucose were infused through a perinatal port system into the umbilical vein at 30 weeks' gestation due to severe IUGR. The patient received daily hyperbaric oxygenation (HBO, 100% O2 ) with 1.4 atmospheres absolute for 50 min for 7 days. At 31+4  weeks' gestation, the patient gave birth spontaneously to a newborn weighing 1378 g, pH 7.33, APGAR score 4/6/intubation. In follow-up examinations at 5 years of age, the boy was doing well without any neurological disturbance or developmental delay...
March 2018: Physiological Reports
https://www.readbyqxmd.com/read/29527962/neonatal-hypoxia-of-the-second-twin-after-vaginal-delivery-of-the-first-twin-what-matters
#16
Paola Algeri, Clelia Callegari, Davide Paolo Bernasconi, Maddalena Incerti, Sabrina Cozzolino, Giuseppe Paterlini, Salvatore Andrea Mastrolia, Francesca Pellizzoni, Patrizia Vergani
OBJECTIVE: Optimal management of twin deliveries is controversial. We aimed to assess potential risk factors correlated to the development of hypoxia in the second twin after vaginal delivery of the first twin. STUDY DESIGN: This is a retrospective observational study including diamniotic twin pregnancies delivering at our Institution at 35 weeks of gestational age or more, weighing ≥1800 g. Hypoxia was defined as at least one of the following: Apgar score <5 at 10 minute, neonatal resuscitation for >10 minutes, neonatal acidosis (pH ≤7 and/or BE ≥12 mmol/L)...
April 1, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29511418/obstetrics-at-decisive-crossroads-regarding-pattern-recognition-of-fetal-heart-rate-decelerations-scientific-principles-and-lessons-from-memetics
#17
REVIEW
Shashikant L Sholapurkar
The survival of cardiotocography (CTG) as a tool for intrapartum fetal monitoring seems threatened somewhat unjustifiably and unwittingly despite the absence of better alternatives. Fetal heart rate (FHR) decelerations are center-stage (most important) in the interpretation of CTG with maximum impact on three-tier classification. The pattern-discrimination of FHR decelerations is inexorably linked to their nomenclature. Unscientific or flawed nomenclature of decelerations can explain the dysfunctional CTG interpretation leading to errors in detection of acidemic fetuses...
April 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29507022/pregnancy-in-a-patient-with-portal-hypertension-secondary-to-liver-cirrhosis
#18
Faith Jelagat Lelei-Mailu, Charles Muriuki Mariara
This case report is of a 32-year-old woman of African descent on follow-up for pregnancy in the background of portal hypertension due to liver cirrhosis. She had initially been treated for chronic hepatitis B infection with lamivudine and tenofovir, complicated by portal hypertension and variceal bleeding that thrice required banding. Her pregnancy was uneventful until 31 weeks gestation when she presented with dyspnoea. On examination and investigation, she had oedema, bilateral pleural effusions and ascites...
March 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29505915/the-influence-of-betamethasone-on-fetal-heart-rate-variability-obtained-by-non-invasive-fetal-electrocardiogram-recordings
#19
Kim M J Verdurmen, Guy J J Warmerdam, Carlijn Lempersz, Alexandra D J Hulsenboom, Joris Renckens, Jeanne P Dieleman, Rik Vullings, Judith O E H van Laar, S Guid Oei
BACKGROUND: Betamethasone is widely used to enhance fetal lung maturation in case of threatened preterm labour. Fetal heart rate variability is one of the most important parameters to assess in fetal monitoring, since it is a reliable indicator for fetal distress. AIM: To describe the effect of betamethasone on fetal heart rate variability, by applying spectral analysis on non-invasive fetal electrocardiogram recordings. STUDY DESIGN: Prospective cohort study...
April 2018: Early Human Development
https://www.readbyqxmd.com/read/29495906/safety-of-a-physical-therapy-protocol-for-women-with-preeclampsia-a-randomized-controlled-feasibility-trial
#20
Tawana Vicente Bertagnolli, Michelle de Souza Rangel Machado, Cristine Jorge Homsi Ferreira, Jackeline de Souza Rangel Machado, Geraldo Duarte, Ricardo Carvalho Cavalli
OBJECTIVE: To assess the feasibility and safety of a physiotherapy protocol applied to pregnant women with preeclampsia. METHODS: Randomized, controlled, single-blind feasibility study, with 24 hospitalized pregnant women with preeclampsia. The intervention group received one session of the physiotherapy. The control group remained under the routine care of the hospital. The primary outcomes were Doppler velocimetry, cardiotocography, and maternal-fetal hemodynamics...
May 2018: Hypertension in Pregnancy
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