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Ultrasound in labour

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https://www.readbyqxmd.com/read/28449356/fetal-head-circumference-and-subpubic-angle-are-independent-risk-factors-for-unplanned-cesarean-and-operative-delivery
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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...
November 27, 2016: 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
#11
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
https://www.readbyqxmd.com/read/27965906/could-elastography-be-used-in-the-prediction-of-morbidly-adherent-placentation
#12
Stacey Davie, Wei Ling Wong, Teresa Clapham, Donald Angstetra, Rajit Narayan
Morbidly adherent placentation (MAP) is a condition in which the placenta is abnormally attached to the uterine myometrium. MAP is a complication of pregnancy that can cause significant morbidity to the mother and fetus and therefore early diagnosis is crucial in its management and prevention of adverse outcomes. Ultrasonography remains the primary diagnostic tool for MAP, with magnetic resonance imaging (MRI) serving as a secondary diagnostic modality. Elastography is a relatively new concept in ultrasound based imaging, which has found application in several fields of medicine, including obstetrics, primarily for evaluation of the firmness of cervical tissue in a preterm labour setting...
2016: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27925148/a-comparison-of-vaginal-ultrasound-and-digital-examination-in-predicting-preterm-delivery-in-women-with-threatened-preterm-labor-a-cohort-study
#13
COMPARATIVE STUDY
Anne Pinton, François Severac, Nicolas Meyer, Cherif Y Akladios, Adrien Gaudineau, Romain Favre, Bruno Langer, Nicolas Sananes
INTRODUCTION: The aim of this study is to evaluate the utility of digital examination in addition to ultrasonic measurement of cervical length for predicting spontaneous preterm delivery in women with threatened preterm labor. MATERIAL AND METHODS: This was a prospective cohort study in Strasbourg University Hospital, France, between January 2013 and January 2015. All women with a singleton pregnancy hospitalized with threatened preterm labor between 23 and 34 weeks of gestation were included...
April 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/27889681/change-over-time-in-women-s-views-and-experiences-of-maternity-care-in-england-1995-2014-a-comparison-using-survey-data
#14
Jane Henderson, Maggie Redshaw
BACKGROUND: there have been changes in maternity care policy over the last 20 years and women's experience, continuity and satisfaction with care have become more prominent. However there has been no research examining changes over time in women's reported experience. METHODS: this study used secondary analysis of data collected in four postal surveys of maternity care experiences in 1995, 2006, 2010 and 2014. In each case women who had delivered in a specified time period in England were randomly sampled and sent a questionnaire three months after the birth...
January 2017: Midwifery
https://www.readbyqxmd.com/read/27847537/the-effectiveness-of-intrapartum-%C3%A2-ultrasonography-in-assessing-cervical-dilatation-head-station-and-position-a-systematic-review-and-meta-analysis
#15
REVIEW
Yaw Amo Wiafe, Bill Whitehead, Heather Venables, Emmanuel Kweku Nakua
The objective of this review was to assess the effectiveness of intrapartum ultrasonography in measuring cervical dilatation, head station and position. Electronic literature searches were carried out of MEDLINE, CINAHL, and Web of Knowledge, plus manual reference list checks of all relevant articles. All published prospective studies comparing intrapartum ultrasonography with digital VE in the determination of cervical dilatation, head station and position were then evaluated for the success rate and level of agreement between ultrasonography and digital VE...
November 2016: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/27836377/-prevention-of-spontaneous-preterm-birth-excluding-preterm-premature-rupture-of-membranes-guidelines-for-clinical-practice%C3%A2-%C3%A2-text-of-the-guidelines-short-text
#16
L Sentilhes, M-V Sénat, P-Y Ancel, E Azria, G Benoist, J Blanc, G Brabant, F Bretelle, S Brun, M Doret, C Ducroux-Schouwey, A Evrard, G Kayem, E Maisonneuve, L Marcellin, S Marret, N Mottet, S Paysant, D Riethmuller, P Rozenberg, T Schmitz, H Torchin, B Langer
OBJECTIVES: To determine the measures to prevent spontaneous preterm birth (excluding preterm premature rupture of membranes)and its consequences. MATERIALS AND METHODS: The PubMed database, the Cochrane Library and the recommendations from the French and foreign obstetrical societies or colleges have been consulted. RESULTS: In France, premature birth concerns 60,000 neonates every year (7.4 %), half of them are delivered after spontaneous onset of labor...
December 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/27771202/-in-case-of-fetal-macrosomia-the-best-strategy-is-the-induction-of-labor-at-38%C3%A2-weeks-of-gestation
#17
REVIEW
P Rozenberg
Macrosomic fetuses are at increased risk of obstetric complications, and notably shoulder dystocia, responsible for a severe neonatal morbidity. In case of fetal macrosomia, three options are: (i) the elective cesarean delivery, but this is recommended only when the estimated fetal weight is≥4500g for diabetic women and 5000g for non-diabetic women; (ii) the expectative management, but children with birth weight≥4500 had significantly increased risk of perinatal mortality, neonatal asphyxia, trauma, and cesarean delivery; (iii) the induction of labor which, reducing the possibility of fetal growth, reduce the risk of cesarean delivery for cephalopelvic disproportion and shoulder dystocia...
November 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/27701372/may-pre-procedure-neuroaxial-ultrasound-improve-the-identification-of-potential-epidural-space-when-compared-with-anatomical-landmarks-a-prospective-randomized-study
#18
Paolo Perna, Antonio Gioia, Riccardo Ragazzi, Carlo A Volta, Massimo Innamorato
BACKGROUND: Regional epidural analgesia is considered the gold standard for pain treatment in labour but the epidural catheter placement may be a difficult procedure because of the difficulty in anatomical landmarks palpation. These difficulties increase in pregnant women. Pre-procedure neuroaxial ultrasound may facilitate the procedure. METHODS: Prospectic randomized controlled study conducted in the Labour Ward. We randomized two groups of women undergoing epidural analgesia: Group A (28 patients), with loss of resistance technique and Group B (30 patients) with US assisted procedure...
October 4, 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/27642490/-uterine-rupture-in-a-patient-with-bicornuate-uterus-at-12-weeks-of-amenorrhea-about-a-case
#19
Sanaa Itchimouh, Karima Khabtou, Sakher Mahdaoui, Houssine Boufettal, Naima Samouh
The incidence of uterine malformations affecting reproduction is difficult to assess. Their identification requires a specific assessment (hysterosalpingography, hysteroscopy, laparoscopy). Spontaneous fertility can be affected depending on the type of uterine abnormality. All these abnormalities can affect the evolution of pregnancy causing early and late miscarriage, ectopic pregnancy, threat of premature labour, premature labour, vascular pathologies during pregnancy and inadequate intra-uterine growth. Bicornuate uterus is the most common uterine malformation and represents about half of all uterine anomalies The occurrence of this type of pregnancy is associated with an increased risk of maternal mortality, but early diagnosis and proper monitoring can lead pregnancies to term on malformed uterus...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27630895/reconstruction-of-female-urethra-with-tubularized-anterior-vaginal-flap
#20
Ajit Sawant, Gaurav Vinod Kasat, Vikash Kumar, Prakash Pawar, Ashwin Tamhankar, Sumit Bansal, Lomesh Kapadnis, Abhishek Savalia
INTRODUCTION: Female urethral injury is a rare disease. Causes of urethral injuries are prolonged obstructed labour, gynaecological surgeries like vaginoplasty and post traumatic urethral injuries. The present study was conducted to evaluate outcome of female urethral reconstruction using tubularized anterior vaginal wall flap covered with fibroadipose martius flap and autologous fascia sling in patients with urethral loss. AIM: Aim of study was to evaluate outcome of reconstruction of female urethra with tubularized anterior vaginal flap...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
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