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Cardiotocography

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https://www.readbyqxmd.com/read/28715659/fetal-heart-rate-variation-after-corticosteroids-for-fetal-maturation
#1
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...
June 29, 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
#2
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
#3
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
#4
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...
June 24, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28629245/obstetric-risk-factors-for-poor-neonatal-adaptation-at-birth
#5
Francesca Crovetto, Monica Fumagalli, Agnese De Carli, Giulia Maria Baffero, Silvia Nozza, Francesca Dessimone, Patrizia Vergani, Luigi Fedele, Fabio Mosca, Barbara Acaia
PURPOSE: To identify obstetric risk factors of delivering a neonate with poor neonatal adaptation at birth. MATERIAL AND METHODS: Nested-case control study. Poor neonatal adaptation was defined for presence of at least: umbilical cord artery pH < 7.10, base deficit ≥ 12 mmol/L, Apgar score at 1' ≤ 5. Controls were selected from the same population and matched with cases. The association between clinical parameters and poor neonatal adaptation was analyzed by logistic regression...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28613398/fetal-and-umbilical-doppler-ultrasound-in-high-risk-pregnancies
#6
REVIEW
Zarko Alfirevic, Tamara Stampalija, Therese Dowswell
BACKGROUND: Abnormal blood flow patterns in fetal circulation detected by Doppler ultrasound may indicate poor fetal prognosis. It is also possible that false positive Doppler ultrasound findings could lead to adverse outcomes from unnecessary interventions, including preterm delivery. OBJECTIVES: The objective of this review was to assess the effects of Doppler ultrasound used to assess fetal well-being in high-risk pregnancies on obstetric care and fetal outcomes...
June 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28613021/combined-value-of-placental-alpha-microglobulin-1-detection-and-cervical-length-via-transvaginal-ultrasound-in-the-diagnosis-of-preterm-labor-in-symptomatic-patients
#7
Vyacheslav Bolotskikh, Vera Borisova
AIM: We aimed to evaluate the combined value of placental alpha microglobulin-1 (PAMG-1) and cervical length (CL) via transvaginal ultrasound for assessing risk of imminent spontaneous preterm delivery in patients presenting with threatened preterm labor (PTL). METHODS: Clinical exam, PAMG-1 test, cardiotocography, and CL measurement via transvaginal ultrasound were performed on all patients meeting inclusion criteria. Ninety-nine patients at 22(+0) -36(+6) gestational weeks with the symptoms of PTL were included...
June 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28570658/estimation-of-preterm-labor-immediacy-by-nonlinear-methods
#8
Iker Malaina, Luis Martinez, Roberto Matorras, Carlos Bringas, Larraitz Aranburu, Luis Fernández-Llebrez, Leire Gonzalez, Itziar Arana, Martín-Blas Pérez, Ildefonso Martínez de la Fuente
Preterm delivery affects about one tenth of human births and is associated with an increased perinatal morbimortality as well as with remarkable costs. Even if there are a number of predictors and markers of preterm delivery, none of them has a high accuracy. In order to find quantitative indicators of the immediacy of labor, 142 cardiotocographies (CTG) recorded from women consulting because of suspected threatened premature delivery with gestational ages comprehended between 24 and 35 weeks were collected and analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28524258/cardiotocography-interpretation-skills-and-the-association-with-size-of-maternity-unit-years-of-obstetric-work-experience-and-healthcare-professional-background-a-national-cross-sectional-study
#9
Line Thellesen, Jette Led Sorensen, Morten Hedegaard, Susanne Rosthoej, Nina Palmgren Colov, Kristine Sylvan Andersen, Thomas Bergholt
INTRODUCTION: We aimed to examine whether cardiotocography (CTG) knowledge, interpretation skills and decision-making measured by a written assessment were associated with size of maternity unit, years of obstetric work experience and healthcare professional background. MATERIAL AND METHODS: A national cross-sectional study in the setting of a CTG teaching intervention involving all 24 maternity units in Denmark. Participants were midwives (n=1260) and specialists (n=269) and residents (n=142) in obstetrics and gynecology who attended a one-day CTG course and answered a 30-item multiple-choice question test...
May 19, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28521768/development-of-a-written-assessment-for-a-national-interprofessional-cardiotocography-education-program
#10
Line Thellesen, Thomas Bergholt, Morten Hedegaard, Nina Palmgren Colov, Karl Bang Christensen, Kristine Sylvan Andersen, Jette Led Sorensen
BACKGROUND: To reduce the incidence of hypoxic brain injuries among newborns a national cardiotocography (CTG) education program was implemented in Denmark. A multiple-choice question test was integrated as part of the program. The aim of this article was to describe and discuss the test development process and to introduce a feasible method for written test development in general. METHODS: The test development was based on the unitary approach to validity. The process involved national consensus on learning objectives, standardized item writing, pilot testing, sensitivity analyses, standard setting and evaluation of psychometric properties using Item Response Theory models...
May 18, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28488965/mild-to-moderate-foeto-maternal-haemorrhage-in-the-third-trimester-and-at-term-of-pregnancy-quantitative-determination-and-clinical-diagnostic-evaluation
#11
Fausta Beneventi, Chiara Cavagnoli, Elena Locatelli, Silvia Bariselli, Margherita Simonetta, Gianluca Viarengo, Cesare Perotti, Arsenio Spinillo
BACKGROUND: Foeto-maternal haemorrhage (FMH), a gestational event that occurs before or during delivery, consists of a loss of foetal blood into the maternal circulation. FMH occurs more frequently during the third trimester or labour both in normal and complicated pregnancies. In the case of alloimmunisation, the maternal immunological response and the severity of the resulting foetal or neonatal disease depend on the amount of foetal blood that passes into the maternal circulation. The aim of this study was to determine FMH in the third trimester and at term of pregnancy and to evaluate the role of clinical and ultrasound markers in the prediction of FMH...
April 19, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28484292/correlation-of-oxidative-stress-markers-with-ultrasound-and-cardiotocography-parameters-with-hypertension-induced-pregnancy
#12
Dragica Draganovic, Nenad Lucic, Dragica Jojic, Snjezana Milicevic
INTRODUCTION: Pregnancy induced hypertension (PIH), especially preeclampsia, is a state of extremely increased oxidative stress (OS), due to decrease of antioxidant capacity in comparison to normotensive pregnant women. The consequences of increased state of oxidative stress with hypertension disorder in pregnancy are disorder of placental blood flow, intrauterine hypoxia of the fetus and disturbance in transfer of O2 manifested as pathological ultrasound (US) parameters (amount of amniotic fluid and biophysical profile of fetus) and cardiotocography parameters (CTG)...
March 2017: Acta Informatica Medica: AIM
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
#13
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/28473030/-acute-caesarian-section-due-to-renal-tumour-with-spontaneously-emerged-perirenal-haematoma
#14
Mette Høltzermann, Astrid Helene Livbjerg, Anya Sook Eidhammer
A primipara at term was admitted to the labour ward with spontaneously emerged severe abdominal pain in the right flank and kidney. The patient was not known with any obstetric or urologic conditions. An acute caesarian section was performed due to the pain and pathological results of the cardiotocography, and a healthy child was delivered. During surgery, a haematoma was detected in the retroperitoneal space. A computed tomography (CT) of abdomen showed a Bosniak type IV tumour with surrounding haematoma in the kidney...
April 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28405117/oligoamnios-and-perinatal-outcome
#15
Sandhyasri Panda, M Jayalakshmi, G Shashi Kumari, G Mahalakshmi, Y Srujan, V Anusha
OBJECTIVES: We aimed at evaluating the predictive value of amniotic fluid index ≤5 on perinatal outcome in terms of effect on cardiotocography, mode of delivery, meconium in liquor, birth weight, fetal distress, APGAR score at birth and neonatal admission to ICU. METHODS: This is a prospective study of 308 antenatal women admitted to labor ward of MIMS during February 2014-December 2015 with gestational ages between 34 and 41 weeks. All women enrolled were subjected to history taking, examination, AFI estimation and compared between those with AFI ≤5 from rest...
April 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28403965/understanding-fetal-physiology-and-second-line-monitoring-during-labor
#16
REVIEW
C Garabedian, J De Jonckheere, L Butruille, P Deruelle, L Storme, V Houfflin-Debarge
Cardiotocography (CTG) is a technique used to monitor intrapartum fetal condition and is one of the most common obstetric procedures. Second line methods of fetal monitoring have been developed in an attempt to reduce unnecessary interventions due to continuous cardiotocography and to better identify fetuses at risk of intrapartum asphyxia. The acid-base balance of the fetus is evaluated by fetal blood scalp samples, the modification of the myocardial oxygenation by the fetal ECG ST-segment analysis (STAN) and the autonomic nervous system by the power spectral analysis of the fetal heart variability...
February 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28399531/intrapartum-ultrasound-to-differentiate-flexion-and-deflexion-in-occipitoposterior-rotation
#17
Federica Bellussi, Tullio Ghi, Aly Youssef, Ilaria Cataneo, Ginevra Salsi, Giuliana Simonazzi, Gianluigi Pilu
OBJECTIVE: To evaluate the ability of intrapartum ultrasound to differentiate occipitoposterior (OP) rotation with normal flexion of the head from deflexion, to compare the accuracy of ultrasound with the digital examination, and to assess the outcome of labor according to the type of presentation. PATIENTS AND METHODS: A retrospective study of patients with abnormal labor because of either prolongation and/or abnormal cardiotocography and OP rotation who underwent intrapartum sonography...
April 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28369712/computerized-data-driven-interpretation-of-the-intrapartum-cardiotocogram-a-cohort-study
#18
Antoniya Georgieva, Christopher W G Redman, Aris T Papageorghiou
INTRODUCTION: Continuous intrapartum fetal monitoring remains a significant clinical challenge. We propose using cohorts of routinely collected data. We aim to combine non-classical (data-driven) and classical cardiotocography features with clinical features into a system (OxSys), which generates automated alarms for the fetus at risk of intrapartum hypoxia. We hypothesize that OxSys can outperform clinical diagnosis of "fetal distress", when optimized and tested over large retrospective data sets...
July 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28346664/a-cross-sectional-comparison-of-three-guidelines-for-intrapartum-cardiotocography
#19
Meena Bhatia, Kamal R Mahtani, David Nunan, Aparna Reddy
OBJECTIVE: To compare the cardiotocography classification systems outlined by the International Federation of Gynecology and Obstetrics (FIGO) in 2015 and the UK National Institute for Health and Care Excellence (NICE) in 2007 and 2014. METHODS: A cross-sectional observational study of cardiotocography practices at a UK hospital was conducted among labor ward staff (n=21) from November 1 to November 31, 2015. All observers classified ten cardiotocography traces according to the three guidelines using a bespoke form...
July 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28342623/mother-newborn-health-indicators-in-possible-victims-of-gender-based-violence-during-pregnancy
#20
Juan Miguel Martínez-Galiano
BACKGROUND: Pregnancy increases the risk of gender-based violence, considered an underdiagnosed public health problem. OBJECTIVE: To determine the association between the situation of possible gender-based violence in the pregnant woman and variables related to pregnancy, labor, puerperium, and newborn health. DESIGN: An observational multicenter study. SETTINGS: Three Spanish hospitals during 2015. PARTICIPANTS: 141 pregnant women in which information is collected sociodemographic variables and data related to pregnancy, labor, and puerperium were gathered by interview and from clinical records...
April 2017: Applied Nursing Research: ANR
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