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antepartum fetal heart rate

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https://www.readbyqxmd.com/read/30144558/non-invasive-fetal-monitoring-using-electrocardiography-and-phonocardiography-a-preliminary-study
#1
S Gobillot, J Fontecave-Jallon, V Equy, B Rivet, P Y Gumery, P Hoffmann
BACKGROUND: Continuous fetal monitoring is commonly used during pregnancy and labor to assess fetal wellbeing. The most often used technology is cardiotocography (CTG), but this technique has major drawbacks in clinical use. OBJECTIVES: Our aim is to test a non-invasive multimodal technique of fetal monitoring using phonocardiography (PCG) and electrocardiography (ECG) and to evaluate its feasibility in clinical practice, by comparison with CTG. METHODS: This prospective open label study took place in a French university hospital...
August 23, 2018: Journal of Gynecology Obstetrics and Human Reproduction
https://www.readbyqxmd.com/read/30130352/antenatal-testing-for-women-with-preexisting-medical-conditions-using-only-the-ultrasonographic-portion-of-the-biophysical-profile
#2
Kelly B Zafman, Efrat Bruck, Andrei Rebarber, Daniel H Saltzman, Nathan S Fox
OBJECTIVE: To report the utility of the ultrasonographic biophysical profile, which includes all the components of a biophysical profile minus the nonstress test, in women with maternal indications for antepartum surveillance. METHODS: We conducted a case series reviewing the records of all women at 32 weeks of gestation or greater with at least one indication for antenatal testing (per the American College of Obstetricians and Gynecologists) delivered by a single maternal-fetal medicine practice between 2006 and 2018...
October 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/30078349/antenatal-interventions-based-upon-fetal-surveillance-of-the-daily-opioid-exposed-fetus-a-descriptive-analysis
#3
Bobby Brar, David Jackson, Manita Nat, Pooja Patil, Brian Iriye, Petar Planinic
OBJECTIVE: Daily opioid dependence for maternal pain management, methadone maintenance, or buprenorphine/naloxone therapy is an increasing trend in modern obstetrics. Opioids may produce depressive effects on fetal neurobehavioral status and thus on fetal heart rate patterns. Our primary objective was to describe the current methods utilized in antenatal monitoring of the daily opioid exposed fetus; and to describe interventions based upon monitoring which precipitated a recommendation for delivery...
August 5, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29909268/the-relationship-between-intrapartum-cerebroplacental-ratio-and-adverse-perinatal-outcomes-in-term-fetuses
#4
Natthicha Chainarong, Chusana Petpichetchian
OBJECTIVES: The cerebroplacental ratio (CPR) Doppler has been proposed as an instrument for predicting adverse perinatal outcomes particularly during antepartum period. Abnormal CPR is associated with non-reassuring fetal status requiring operative delivery, low Apgar score and neonatal complications. The aim of this study was to assess the role of CPR Doppler in the labor triage suite, so as to identify fetuses at risk for non-reassuring status as well as other adverse perinatal outcomes...
September 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29716537/accuracy-of-immediate-antepartum-ultrasound-estimated-fetal-weight-and-its-impact-on-mode-of-delivery-and-outcome-a-cohort-analysis
#5
Johannes Stubert, Adam Peschel, Michael Bolz, Änne Glass, Bernd Gerber
BACKGROUND: The aim of the study was to investigate the accuracy of ultrasound-derived estimated fetal weight (EFW) and to determine its impact on management and outcome of delivery. METHODS: In this single-center cohort analysis, women with a singleton term pregnancy in the beginning stages of labor were included. Women with immediately antepartum EFW (N = 492) were compared to women without ultrasound (N = 515). RESULTS: EFW was correct (deviation from birth weight ≤ 10%) in 72...
May 2, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29680084/no-197b-fetal-health-surveillance-intrapartum-consensus-guideline
#6
Robert Liston, Diane Sawchuck, David Young
OBJECTIVE: This guideline provides new recommendations pertaining to the application and documentation of fetal surveillance in the intrapartum period that will decrease the incidence of birth asphyxia while maintaining the lowest possible rate of obstetrical intervention. Pregnancies with and without risk factors for adverse perinatal outcomes are considered. This guideline presents an alternative classification system for antenatal fetal non-stress testing and intrapartum electronic fetal surveillance to what has been used previously...
April 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29594003/snake-bite-in-third-trimester-of-pregnancy-with-systemic-envenomation-and-delivery-of-a-live-baby-in-a-low-resource-setting-a-case-report
#7
Adebayo A Adewole, Osadolor A Ugiagbe, Temitope G Onile, Gabriel A Joseph, Oluwamayowa D Kassim, Patricia F Medupin, Abiodun S Adeniran
Background: Snake bite in the third trimester of pregnancy with late presentation, systemic envenomation; disseminated intravascular coagulopathy and delivery of a live neonate is uncommon in a low resource setting. Case: We present a 22 year old unbooked Gravida 3 Para 1+ 1 1alive lentiviral positive woman at 32 weeks gestation with snake bite, leg swelling, vaginal bleeding and labour pains. At presentation, there were anemia, tachycardia, hypotension; a gravid uterus with a single fetus in longitudinal lie, cephalic presentation, regular fetal heart rate and cervical dilatation of 3 cm...
October 2017: Case Reports in Women's Health
https://www.readbyqxmd.com/read/29475210/-comparison-of-international-guidelines-for-the-application-of-cardiotocography
#8
Phillip Sebastian Schulten, Jan Philip Suppelna, Timoleon Dagres, Günter Noè, Michael Anapolski, Joscha Reinhard, Harald Krentel, Clemens Tempfer, Sven Schiermeier
OBJECTIVE: This study examines the recommendations of international guidelines on the use of antepartum and intrapartum cardiotocography. MATERIAL AND METHODS: The guidelines of Germany, Canada, UK, USA, Sri Lanka, Australia as well as FIGO have been compared. The recommendations on the use of cardiotocography were separately evaluated for antepartum and intrapartum use. RESULTS: Antepartum: In risk-free pregnancies the use of cardiotocography is not recommended in all countries...
April 2018: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/29363232/relevant-obstetric-factors-associated-with-fetal-heart-rate-monitoring-for-cerebral-palsy-in-pregnant-women-with-hypertensive-disorder-of-pregnancy
#9
Junichi Hasegawa, Tomoaki Ikeda, Satoshi Toyokawa, Emi Jojima, Shoji Satoh, Kiyotake Ichizuka, Nanako Tamiya, Akihito Nakai, Keiya Fujimori, Tsugio Maeda, Hideaki Masuzaki, Satoru Takeda, Hideaki Suzuki, Shigeru Ueda, Tsuyomu Ikenoue
AIM: The study identifies the relevant obstetric factors associated with fetal heart rate (FHR) monitoring for cerebral palsy (CP) in pregnant women with hypertensive disorders of pregnancy (HDP). METHODS: The subjects were neonates with CP (birth weight ≥ 2000 g, gestational age ≥ 33 weeks) who were approved for compensation for CP by the Operating Organization of the Japan Obstetric Compensation System between 2009 and 2012. After selection of women with antepartum HDP, obstetric characteristics associated with FHR monitoring were analyzed...
April 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29228911/intrapartum-factors-associated-with-neonatal-hypoxic-ischemic-encephalopathy-a-case-controlled-study
#10
Vanessa E Torbenson, Mary Catherine Tolcher, Kate M Nesbitt, Christopher E Colby, Sherif A El-Nashar, Bobbie S Gostout, Amy L Weaver, Michaela E Mc Gree, Abimbola O Famuyide
BACKGROUND: Neonatal encephalopathy (NE) affects 2-4/1000 live births with outcomes ranging from negligible neurological deficits to severe neuromuscular dysfunction, cerebral palsy and death. Hypoxic ischemic encephalopathy (HIE) is the sub cohort of NE that appears to be driven by intrapartum events. Our objective was to identify antepartum and intrapartum factors associated with the development of neonatal HIE. METHODS: Hospital databases were searched using relevant diagnosis codes to identify infants with neonatal encephalopathy...
December 11, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28902389/women-s-experiences-of-continuous-fetal-monitoring-a-mixed-methods-systematic-review
#11
REVIEW
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 hypothesized 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 before clinical implementation and to inform clinical studies...
December 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28889037/gender-specific-evolution-of-fetal-heart-rate-variability-throughout-gestation-a-study-of-8823-cases
#12
Hernâni Gonçalves, Célia Amorim-Costa, Diogo Ayres-de-Campos, João Bernardes
BACKGROUND: Fetal heart rate (FHR) variability throughout gestation reflects aspects of fetal development, and its analysis has been used for the assessment of fetal well-being. AIM: The objective of this study was to provide a gender-specific analysis of the evolution of FHR variability indices throughout gestation, using linear time-domain, spectral and nonlinear FHR indices. STUDY DESIGN: A large retrospective study was carried out using antepartum FHR recordings obtained from 4713 male and 4110 female fetuses, with normal pregnancy outcome, between 2004 and 2013, with gestational ages ranging between 25 and 40weeks...
December 2017: Early Human Development
https://www.readbyqxmd.com/read/28672744/validation-of-a-new-algorithm-for-the-short-term-variation-of-the-fetal-heart-rate-an-antepartum-prospective-study
#13
Christina Kouskouti, Hella Jonas, Kerstin Regner, Pia Ruisinger, Julia Knabl, Franz Kainer
AIMS: Currently one of the most widespread systems for the computerized analysis of the fetal heart rate (FHR) is the Dawes-Redman system, where the short-term variation (STV) of the FHR is measured by dividing each minute into 16 segments (STV16). Technical progress has allowed for the development of a new algorithm, which measures the STV by dividing each minute into 240 segments (STV240), thus approximating the beat-to-beat variation. The STV240 still lacks reference values. Our aim was to develop clinically relevant reference values for the STV240 and compare them to the ones for the STV16...
August 28, 2018: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28350703/rf-safety-analysis-of-a-novel-ultra-wideband-fetal-monitoring-system
#14
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/28140032/nonstressed-fetal-heart-rate-monitoring-in-the-antepartum-period
#15
France Rochard, Barry S Schifrin, Francoise Goupil, Helene Legrand, Josette Blottiere, Claude Sureau
No abstract text is available yet for this article.
May 1996: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27981256/adverse-perinatal-outcomes-in-borderline-amniotic-fluid-index
#16
Ashraf Jamal, Maryam Kazemi, Vajiheh Marsoosi, Laleh Eslamian
BACKGROUND: Normal amniotic fluid predicts normal placental function, fetal growth and fetal well-being. OBJECTIVE: To determine adverse pregnancy outcomes in borderline amniotic fluid index (AFI). MATERIALS AND METHODS: Pregnant women (37-40 wks) with diagnosis of borderline AFI between December 2012 and August 2014 were identified. Antepartum, intrapartum and neonatal data were collected and compared with those of pregnant women with normal AFI...
November 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27883332/effect-of-signal-acquisition-method-on-the-fetal-heart-rate-analysis-with-phase-rectified-signal-averaging
#17
J A M van Scheepen, M P H Koster, B Vasak, C Redman, A Franx, A Georgieva
Phase rectified signal averaging (PRSA) is increasingly used for fetal heart rate (FHR) monitoring, both with traces acquired with external Doppler cardiotocography (D-FHR), and with transabdominal fetal electrocardiography (ta-FHR). However, it is unclear to what extend the acquisition method influences the PRSA analysis, whether results from using one acquisition method are comparable to those based on FHR acquired by the other method, and if not, which should be the preferred method. To address these questions, we applied PRSA analysis to 28 antepartum synchronous recordings of the FHR using simultaneously D-FHR and ta-FHR...
December 2016: Physiological Measurement
https://www.readbyqxmd.com/read/27627565/fetal-heart-rate-monitoring-using-maternal-abdominal-surface-electrodes-in-third-trimester-can-we-obtain-additional-information-other-than-ctg-trace
#18
COMPARATIVE STUDY
Tomasz Fuchs, Krzysztof Grobelak, Michał Pomorski, Mariusz Zimmer
BACKGROUND: Cardiotocography (CTG) is the most widely used procedure despite its low specificity for fetal acidosis and poor perinatal outcome. Fetal electrocardiography (fECG) with transabdominal electrodes is a new, non-invasive and promising method with greater potential for detecting impairment of fetal circulation. This study is the first that attempts to assess the usefulness of fECG in comparison to CTG during antepartum period. OBJECTIVES: To determine if a single fECG examination along with CTG tracing and Doppler flow measurement in the fetal vessels has any additional clinical value in normal and intrauterine growth restricted (IUGR) fetuses...
March 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/27581467/incidence-of-intrapartum-stillbirth-and-associated-risk-factors-in-tertiary-care-setting-of-nepal-a-case-control-study
#19
COMPARATIVE STUDY
Ashish Kc, Johan Wrammert, Uwe Ewald, Robert B Clark, Jageshwor Gautam, Gehanath Baral, Kedar P Baral, Mats Målqvist
BACKGROUND: Each year, 1.2 million intrapartum stillbirths occur globally. In Nepal, about 50 % of the total number of stillbirths occur during the intrapartum period. An understanding of the risk factors associated with intrapartum stillbirth will facilitate the development of preventative strategies to reduce the associated burden of death. This study was conducted in a tertiary-care setting with the aim to identify risk factors associated with intrapartum stillbirth. METHODS: A case-control study was completed from July 2012 to September 2013...
August 31, 2016: Reproductive Health
https://www.readbyqxmd.com/read/27543362/assessment-of-umbilical-artery-flow-and-fetal-heart-rate-to-predict-delivery-time-in-bitches
#20
Amália Turner Giannico, Daniela Aparecida Ayres Garcia, Elaine Mayumi Ueno Gil, Marlos Gonçalves Sousa, Tilde Rodrigues Froes
The aim of this study was to quantitatively investigate the oscillation of the fetal heart rate (HR) in advance of normal delivery and whether this index could be used to indicate impending delivery. In addition, fetal HR oscillation and umbilical artery resistive index (RI) were correlated to determine if the combination of these parameters provided a more accurate prediction of the time of delivery. Sonographic evaluation was performed in 11 pregnant bitches to evaluate the fetal HR and umbilical artery RI at the following antepartum times: 120 to 96 hours, 72 to 48 hours, 24 to 12 hours, and 12 to 1 hours...
October 15, 2016: Theriogenology
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