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Ultrasound in labour

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https://www.readbyqxmd.com/read/28618098/pre-labor-fetal-cardiac-function-and-its-relationship-with-intrapartum-fetal-compromise-and-neonatal-status-at-term
#1
Amal A Alsolai, Larissa N Bligh, Ristan M Greer, Sailesh Kumar
OBJECTIVES: To prospectively investigate the relationship between fetal cardiac function and Doppler parameters with intrapartum fetal compromise (IFC) in term appropriately grown fetuses prior to labour. Secondary outcomes were to correlate prenatal cardiac function with neonatal acid base status, intrapartum fetal heart rate abnormalities adverse neonatal outcomes. METHODS: This was a blinded, prospective, observational, cohort study, at the Mater Mother's Hospital, Brisbane, Australia...
June 15, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28613398/fetal-and-umbilical-doppler-ultrasound-in-high-risk-pregnancies
#2
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/28603938/should-we-implement-universal-screening-with-late-pregnancy-ultrasound-to-prevent-stillbirth
#3
Gordon C S Smith
The first description of ultrasound to estimate fetal weight was published in 1975.(1) More than 40 years later, we still do not know whether universal use of this method prevents perinatal deaths. Multiple lines of evidence suggest that it should work: (i) stillbirth is strongly associated with fetal growth restriction (FGR),(2) (ii) current methods using targeted ultrasound have low detection rates for FGR,(3) (iii) there is strong evidence that induction of labour at term reduces perinatal mortality. This article is protected by copyright...
June 12, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28601727/does-serial-3rd-trimester-ultrasound-improve-detection-of-small-for-gestational-age-babies-comparison-of-screening-policies-in-2-european-maternity-units
#4
Vesna Sokol Karadjole, Umber Agarwal, Edina Berberovic, Borna Poljak, Zarko Alfirevic
OBJECTIVE: Methods for the antenatal detection of small for gestational age babies (SGA) differ between countries. The aim of this study was to compare the diagnostic accuracy of routine versus selective small for gestational age babies screening policy using data from two European Maternity Units. STUDY DESIGN: This was a retrospective cohort study from Liverpool Women's Hospital, UK, that uses selective third trimester sonography and from the University Hospital Centre Zagreb, Croatia, that uses routine third trimester sonography for SGA detection...
June 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28600035/predictors-of-perinatal-outcomes-and-economic-costs-for-late-term-induction-of-labour
#5
Daniel Oros, Raquel Garcia-Simon, Jesús Clemente, Ernesto Fabre, Manuel Angel Romero, Antonio Montañes
OBJECTIVE: We aimed to predict the perinatal outcomes and costs of health services following labour induction for late-term pregnancies. MATERIALS AND METHODS: We conducted a cohort study of 245 women who underwent labour induction during their 41st week of gestation. The cervical condition was assessed upon admission using the Bishop score and ultrasound cervical length measurements. We estimated the direct costs of labour induction, and a predictive model for perinatal outcomes was constructed using the decision tree analysis algorithm and a logit model...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28578346/a-new-approach-to-developing-birth-weight-reference-charts-a-retrospective-observational-study
#6
Farmey A Joseph, Jon A Hyett, Kevin McGeechan, Philip J Schluter, Adrienne Gordon, Andrew McLennan, Bradley S De Vries
INTRODUCTION: Birth weight reference charts based on historical infant birth weights have significant bias at preterm gestations because many preterm births are associated with abnormal growth. This study aims to determine whether more accurate birth weight charts can be constructed using data only from births that follow spontaneous onset of labour. MATERIALS AND METHODS: This study was a single-centre retrospective observational study of 115,712 singleton live births...
June 3, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28555159/physiological-uterine-involution-in-primiparous-and-multiparous-women-ultrasound-study
#7
V Paliulyte, G S Drasutiene, D Ramasauskaite, D Bartkeviciene, J Zakareviciene, J Kurmanavicius
PURPOSE: To examine the uterine involution period after uncomplicated delivery in primiparous and multiparous women. METHODS: Longitudinal prospective study. Repeated parameters were measured and endometrial contents and diastolic notch were observed. Measurements of primiparous and multiparous women were carried out after labour on the 1st, 3rd, 10th, 30th, 42nd, and 60th postpartum days. The analysis was performed using SPSS version 21. RESULTS: The median uterus parameters are bigger in multiparous group in physiological puerperium, but the decreasing trend is the same...
2017: Obstetrics and Gynecology International
https://www.readbyqxmd.com/read/28544989/impact-of-mediolateral-episiotomy-on-incidence-of-obstetrical-anal-sphincter-injury-diagnosed-by-endoanal-ultrasound
#8
Kristina Drusany Staric, Adolf Lukanovic, Petra Petrocnik, Vita Zacesta, Corrado Cescon, Miha Lucovnik
OBJECTIVE: to examine potential association between mediolateral episiotomy and reduced incidence of obstetrical anal sphincter injuries (OASIS) diagnosed by endoanal ultrasound. DESIGN: prospective cohort study. SETTING: tertiary referral university hospital. PARTICIPANTS: sixty nulliparous women at 28-33 weeks of gestation with singleton pregnancies were included between 2010 and 2012. MEASUREMENTS AND FINDINGS: participants were examined with endoanal ultrasound at 28-33 weeks gestation and at 6-7 weeks post-partum...
May 18, 2017: Midwifery
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
#9
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/28449356/fetal-head-circumference-and-subpubic-angle-are-independent-risk-factors-for-unplanned-cesarean-and-operative-delivery
#10
Giuseppe Rizzo, Elisa Aiello, Costanza Bosi, Francesco D' Antonio, Domenico Arduini
INTRODUCTION: To ascertain whether combined ultrasound assessment of fetal head circumference (HC) and maternal subpubic angle (SPA) prior to the onset of labour may predict the likelihood of an unplanned operative delivery (UOD) in nulliparous women at term. MATERIAL AND METHODS: Prospective cohort study of singleton pregnancies in cephalic presentation. Pregnancies experiencing UOD secondary to fetal distress were excluded. HC was assessed transabdominally while SPA values were obtained from a reconstructed coronal plane on three-dimensional(3D) ultrasound performed trans-labially at 36-38 weeks of gestation...
April 27, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28349516/outcomes-and-predictive-tests-from-a-dedicated-specialist-clinic-for-women-at-high-risk-of-preterm-labour-a-ten-year-audit
#11
Kelly Hughes, Shirlene Sim, Alina Roman, Kasia Michalak, Stefan Kane, Penelope Sheehan
BACKGROUND: Preterm birth continues to be a major cause of infant morbidity and mortality worldwide, but advances have recently been made in its prediction and prevention. A short cervix (<25 mm) in the second trimester on transvaginal ultrasound scan and fetal fibronectin are important predictive tests. For over ten years, the Preterm Labour Clinic at the Royal Women's Hospital, Melbourne, Australia has provided care for women at high risk of preterm birth, including those with a previous preterm birth, previous cervical surgery, uterine malformation or incidental finding of short cervix at routine ultrasound...
March 28, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28325943/a-parameterized-model-for-mean-urinary-inflow-rate-and-its-preliminary-application-in-radiotherapy-for-cervical-cancer
#12
Fu Jin, Huan-Li Luo, Juan Zhou, Ding-Yi Yang, Li Yin, Xiao-Qing Yang, Ya-Nan He, Xian-Feng Liu, Da Qiu, Ming-Song Zhong, Han Yang, Chao Li, Qi-Cheng Li, Guang-Lei He, Ying Wang
Forty-nine patients with stage IIb cervical cancer were included to investigate the changes in bladder volume in response to different approaches to maintaining consistent bladder filling. The impacts of age (P age), water consumption (P wat ), and body mass index (BMI, P bmi ) on the mean urinary inflow rate (v tot ) were analysed. The bladder volume (BV) increased linearly over time. A large variation in v tot among individuals was observed, ranging from 0.19 to 5.13 ml/min. The v tot was correlated with P age (R = -0...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28267443/balloon-removal-after-fetoscopic-endoluminal-tracheal-occlusion-for-congenital-diaphragmatic-hernia
#13
Julio A Jiménez, Elisenda Eixarch, Philip DeKoninck, João R Bennini, Roland Devlieger, Cleisson F Peralta, Eduard Gratacos, Jan Deprest
BACKGROUND: Isolated congenital diaphragmatic hernia defect allows viscera to herniate into the chest, competing for space with the developing lungs. At birth, pulmonary hypoplasia leads to respiratory insufficiency and persistent pulmonary hypertension that is lethal in up to 30% of patients. Antenatal measurement of lung size and liver herniation can predict survival after birth. Prenatal intervention aims at stimulating lung development, clinically achieved by percutaneous fetal endoscopic tracheal occlusion under local anesthesia...
March 3, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28213060/prediction-of-cesarean-delivery-in-the-term-nulliparous-woman-results-from-the-prospective-multicenter-genesis%C3%A2-study
#14
Naomi Burke, Gerard Burke, Fionnuala Breathnach, Fionnuala McAuliffe, John J Morrison, Michael Turner, Samina Dornan, John R Higgins, Amanda Cotter, Michael Geary, Peter McParland, Sean Daly, Fiona Cody, Pat Dicker, Elizabeth Tully, Fergal D Malone
BACKGROUND: In contemporary practice many nulliparous women require intervention during childbirth such as operative vaginal delivery or cesarean delivery (CD). Despite the knowledge that the increasing rate of CD is associated with increasing maternal age, obesity and larger infant birthweight, we lack a reliable method to predict the requirement for such potentially hazardous obstetric procedures during labor and delivery. This issue is important, as there are greater rates of morbidity and mortality associated with unplanned CD performed in labor compared with scheduled CDs...
February 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28114843/the-impact-of-fetal-middle-cerebral-artery-doppler-on-the-outcome-of-congenital-hydrocephalus
#15
Nail Obeidat, Bahauddin Sallout, Badi Albaqawi, Wajeih Al AlAali
OBJECTIVES: The objective of this study is to investigate the impact of abnormal middle cerebral artery (MCA) Doppler on the perinatal mortality in fetuses with congenital hydrocephalus (CH). METHODS: A prospective study of all fetuses with CH who delivered at our hospital over a period of 7 years. Data were obtained from the ultrasound, Labor room and intensive neonatal care unit (NICU) database. The Perinatal mortality rates were evaluated in relation to the following measures, associated congenital anomalies, cortical mantle thickness (CMT), and MCA Doppler abnormalities (absent or reversed diastole)...
February 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28104551/a-framework-for-analysis-of-linear-ultrasound-videos-to-detect-fetal-presentation-and-heartbeat
#16
M A Maraci, C P Bridge, R Napolitano, A Papageorghiou, J A Noble
Confirmation of pregnancy viability (presence of fetal cardiac activity) and diagnosis of fetal presentation (head or buttock in the maternal pelvis) are the first essential components of ultrasound assessment in obstetrics. The former is useful in assessing the presence of an on-going pregnancy and the latter is essential for labour management. We propose an automated framework for detection of fetal presentation and heartbeat from a predefined free-hand ultrasound sweep of the maternal abdomen. Our method exploits the presence of key anatomical sonographic image patterns in carefully designed scanning protocols to develop, for the first time, an automated framework allowing novice sonographers to detect fetal breech presentation and heartbeat from an ultrasound sweep...
January 10, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28050900/planned-early-birth-versus-expectant-management-waiting-for-prelabour-rupture-of-membranes-at-term-37-weeks-or-more
#17
REVIEW
Philippa Middleton, Emily Shepherd, Vicki Flenady, Rosemary D McBain, Caroline A Crowther
BACKGROUND: Prelabour rupture of membranes (PROM) at term is managed expectantly or by planned early birth. It is not clear if waiting for birth to occur spontaneously is better than intervening, e.g. by inducing labour. OBJECTIVES: The objective of this review is to assess the effects of planned early birth (immediate intervention or intervention within 24 hours) when compared with expectant management (no planned intervention within 24 hours) for women with term PROM on maternal, fetal and neonatal outcomes...
January 4, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28024672/factors-associated-with-caesarean-sections-in-phnom-penh-cambodia
#18
Clémence Schantz, Kruy Leang Sim, Véronique Petit, Heng Rany, Sophie Goyet
C-sections are an increasingly performed medical practice which can save lives but may also lead to major complications. Through a mixed methods study conducted in 2015 in Cambodia, we aimed to analyze the reasons for requesting a c-section and to explore factors that are associated with c-sections. 60% of the women in the cohort who gave birth by c-section reported having requested it. Through 31 in-depth interviews, we determined the reasons given by women for requesting a c-section before and during labour...
November 2016: Reproductive Health Matters
https://www.readbyqxmd.com/read/28012405/an-assessment-of-mode-of-delivery-in-history-indicated-versus-ultrasound-indicated-vaginally-placed-cervical-cerclage
#19
Lisa Story, Andrew Shennan
OBJECTIVE: Treatment modalities to reduce the incidence of preterm birth are currently limited. Cerclage, is a common and established intervention in most obstetrics units worldwide, however, many questions regarding its efficacy, with respect to pregnancy outcomes remain unanswered. This study aims to investigate whether an antenatal placed cerclage affects the subsequent mode of delivery in women at high risk of preterm birth who labour. STUDY DESIGN: A retrospective case controlled study was performed at St Thomas's Hospital London...
March 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27986186/saline-hysteroscopy-for-removal-of-retained-intrauterine-contraceptive-devices-in-early-pregnancy
#20
Ari P Sanders, Margo R Fluker, Barry H Sanders
OBJECTIVE: Pregnancies complicated by a retained intrauterine device (IUD) are at increased risk for adverse outcomes such as miscarriage and preterm labour. There is limited evidence to guide the management of retained IUDs in pregnancy when the strings are not visible at the external cervical os. We describe a method for IUD retrieval in such cases. METHODS: Twenty-six patients underwent saline hysteroscopy with or without concurrent ultrasound guidance for retrieval of a retained IUD in early pregnancy between 2002 and 2015...
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
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