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Obstetric ultrasound

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https://www.readbyqxmd.com/read/28228908/diagnosis-of-neonatal-neuroblastoma-with-postmortem-magnetic-resonance-imaging
#1
James Davis, Nathan Novotny, Jacqueline Macknis, Zeynep Alpay-Savasan, Luis F Goncalves
Postmortem magnetic resonance imaging (MRI) is emerging as a valuable tool to accompany traditional autopsy and has potential for use in cases when traditional autopsy is not possible. This case report will review the use of postmortem MRI with limited tissue sampling to differentiate between metastatic neuroblastoma and hepatoblastoma which could not be clearly differentiated with prenatal ultrasound, prenatal MRI, or emergent postnatal ultrasound. The mother presented to our institution at 27 weeks gestation after an obstetric ultrasound at her obstetrician's office identified a large abdominal mass...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28228820/temperature-elevation-measured-in-a-tissue-mimicking-phantom-for-transvaginal-ultrasound-at-clinical-settings
#2
Piero Miloro, Eleanor Martin, Adam Shaw
INTRODUCTION: This paper reports the results of an audit to assess the possible thermal hazard associated with the clinical use of ultrasound scanners in UK Hospitals for transvaginal ultrasound imaging. METHODS: An anatomically relevant phantom composed of a block of agar-based tissue mimicking material with embedded thermal sensors was developed. Seventeen hospitals around the UK were visited and a total of 64 configurations were tested. A representative typical scanning protocol was adopted, which primarily used B-mode with 30 s periods of colour-flow and pulsed Doppler modes for both gynaecology and obstetrics pre-sets...
February 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28227711/detection-of-fetal-kicks-using-body-worn-accelerometers-during-pregnancy-trade-offs-between-sensors-number-and-positioning
#3
Marco Altini, Patrick Mullan, Michiel Rooijakkers, Stefan Gradl, Julien Penders, Nele Geusens, Lars Grieten, Bjoern Eskofier, Marco Altini, Patrick Mullan, Michiel Rooijakkers, Stefan Gradl, Julien Penders, Nele Geusens, Lars Grieten, Bjoern Eskofier, Julien Penders, Michiel Rooijakkers, Nele Geusens, Stefan Gradl, Patrick Mullan, Lars Grieten, Bjoern Eskofier, Marco Altini
Monitoring fetal wellbeing is key in modern obstetrics. While fetal movement is routinely used as a proxy to fetal wellbeing, accurate, noninvasive, long-term monitoring of fetal movement is challenging. A few accelerometer-based systems have been developed in the past few years, to tackle common issues in ultrasound measurement and enable remote, self-administrated monitoring of fetal movement during pregnancy. However, many questions remain unanswered to date on the optimal setup in terms of body-worn accelerometers as well as signal processing and machine learning techniques used to detect fetal movement...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222431/the-routine-use-of-intrapartum-ultrasound-in-clinical-decision-making-during-the-second-stage-of-labor-does-it-have-any-impact-on-delivery-outcomes
#4
Oren Barak, Roni Levy, Orna Flidel, Svetlana Zaks, Moshe Gillor, Zion Hagay, Edi Vaisbuch
BACKGROUND/AIMS: The study aimed to assess whether the use of intrapartum transperineal ultrasound (US) can reduce the rate of failed vacuum extraction (VE). METHODS: This is a retrospective cohort study including all women delivering at term with the diagnosis of protracted second stage of labor. The mode of delivery and rate of failed VE were compared between women who underwent a US examination prior to the decision on obstetrical interventions ("+US" group) and those in whom clinical decisions were based upon digital assessment only ("no-US" group)...
February 22, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28217666/clinical-outcomes-and-neurodevelopmental-outcome-of-prenatally-diagnosed-agenesis-of-corpus-callosum-in-single-center-of-korea
#5
Sung Eun Kim, Hye-In Jang, Kylie Hae-Jin Chang, Ji-Hee Sung, Jiwon Lee, Jeehun Lee, Suk-Joo Choi, Soo-Young Oh, Cheong-Rae Roh, Jong-Hwa Kim
OBJECTIVE: With recent advances and frequent use of prenatal ultrasound, the antenatal diagnosis of agenesis of the corpus callosum (ACC) is not rare in obstetrics practices. However, information regarding the long-term neurological outcome remains uncertain. The aim of this study was to investigate clinical outcomes of prenatally diagnosed ACC and to analyze postnatal neurodevelopmental outcomes of ACC neonates born in our single center. METHODS: We retrospectively reviewed 56 cases of prenatally suspected ACC referred to our center...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28213060/prediction-of-cesarean-delivery-in-the-term-nulliparous-woman-results-from-the-prospective-multi-center-genesis-study
#6
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 rising CD rate 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 higher rates of morbidity and mortality associated with unplanned CD performed in labor compared to scheduled Cesarean deliveries...
February 14, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28211804/comparison-of-elastography-based-on-transvaginal-ultrasound-and-mri-in-assessing-parametrial-invasion-of-cervical-cancer
#7
Xi Ma, Qi Li, Jian-Liang Wang, Jun Shao, Yu-Chun Zhu, Wei Ding, Hou-Sheng Zhang, Hong-Yan Wang, Jun-Kang Shen
OBJECTIVE: The purpose of this study was to evaluate the clinical value of transvaginal elastography (TVES) combined with high-resolution transvaginal ultrasound (TVS) in the detection of parametrial invasion in cervical cancer and to compare the diagnostic performance with magnetic resonance imaging (MRI). MATERIALS AND METHODS: 52 women with histologically confirmed cervical cancer over a 2-year period were staged using International Federation of Gynecology and Obstetrics (FIGO) criteria and underwent MRI and TVES combined with TVS according to a standardized protocol before treatment...
February 17, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28210025/vascular-lipoleiomyoma-of-the-uterus-an-unusual-case
#8
Vesna Chibisheva, Vesna Antovska, Milka Trajanova, Drage Dabeski, Rubens Jovanovic, Ivana Kijajova
INTRODUCTION: Uterine lipoleiomyomas are a rare type of uterine myomas, which have been seldom diagnosed and are less known and still unusual. Histologically they are composed of smooth muscle cells with multiple fat cells and fibrous tissue. Their pathogenesis is still a stigmata and their preoperative diagnosis is still questionable. CASE REPORT HISTORY: A 39-year old woman presented at the University clinic for obstetrics and gynecology with complaints of a mild low abdominal and pelvic pain, increased frequency of vaginal bleeding and abdominal distension...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28180199/ultrasound-and-mri-comprehensive-approach-in-prenatal-diagnosis-of-fetal-osteochondrodysplasias-cases-series
#9
Costin Berceanu, Ioana Andreea Gheonea, Simona Vlădăreanu, Monica Mihaela Cîrstoiu, Radu Vlădăreanu, Claudia Mehedinţu, Sabina Berceanu, Răzvan Ciortea, Elvira Brătilă
AIM: To present the systematic ultrasonographic assessment in fetal osteochondrodysplasias and to evaluate the fetal MRI intake, as a complementary exploration to US, in the prenatal diagnosis and perinatal prognosis of fetal nonlethal osteochondrodysplasias. Material and methods: In this tertiary multicentre study were included 37 cases diagnosed prenatally with various entities in the category of nonlethal fetal osteochondrodysplasias. The initial diagnosis was carried out by the routine or detailed ultrasound examination...
January 31, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28178063/detecting-pulmonary-edema-in-obstetric-patients-through-point-of-care-lung-ultrasonography
#10
Sarah Pachtman, Seth Koenig, Natalie Meirowitz
BACKGROUND: Point-of-care lung ultrasonography is used in critical care settings for evaluating respiratory symptoms. Lung ultrasonography is sensitive and specific for the diagnosis of pulmonary edema in nonpregnant patients but is not well-studied in pregnancy. TECHNIQUE: Lung ultrasonography was performed using a portable ultrasound machine with a 2- to 5-MHz curvilinear probe that is available on many labor and delivery units. EXPERIENCE: Lung ultrasonography guided management decisions in a case of shortness of breath after induction of labor for preeclampsia and a case of hemolysis, elevated liver enzymes, and low platelet count syndrome complicated by pulmonary edema...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28165444/correlation-between-cervical-infection-and-preterm-labor
#11
Larisa Mešić Ðogić, Nenad Lučić, Dragana Mićić, Feđa Omeragić, Enes Hodžić, Seid Fazlagić, Refka Kovač, Nevenka Pavlović
Aim To investigate a correlation between cervical canal infection and imminent preterm labor and to identify most frequent pathogens. Methods A prospective study was conducted in obstetrics/gynecology departments of Health Center and the University Clinical Center Tuzla, and General Hospital Tešanj (Bosnia and Herzegovina, B&H) between October 2013 and May 2014. An examined group included 50 healthy pregnant women with singleton pregnancy of the gestation age between the 28th and 37th week, with cervical changes that are related to imminent preterm labor...
February 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28164320/perception-of-point-of-care-ultrasound-performed-by-emergency-medicine-physicians
#12
Whitney Hansen, Carl E Mitchell, Bikash Bhattarai, Napatkamon Ayutyanont, Jeffrey R Stowell
PURPOSE: Point-of-care ultrasound (POCUS) is integral to the practice of emergency medicine (EM). Furthermore, EM-performed POCUS (EM-POCUS) offers consultants the opportunity to avoid delays in care due to wait times for confirmatory imaging studies. This study is the first to describe the perception of POCUS to consulting services at a single institution where EM-POCUS is routinely performed. METHODS: This study was conducted as a survey distributed to residents from consultant specialties (internal medicine [IM], general surgery [GS], and obstetrics and gynecology [OB-GYN])...
February 6, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28163088/risk-of-luteal-phase-pregnancy-with-any-cycle-day-initiation-of-subdermal-contraceptive-implants
#13
Molly Richards, Stephanie B Teal, Jeanelle Sheeder
OBJECTIVES: To determine rates of luteal phase pregnancy (LPP) in young women initiating subdermal implants on any day of the menstrual cycle. STUDY DESIGN: We assessed a retrospective cohort of young women receiving contraceptive implants at an adolescent Title-X clinic. Patients with negative pregnancy tests were eligible for same-day insertion, regardless of cycle day, contraceptive use, or last intercourse. We computed LPP rates for those within manufacturer guidelines for insertion (≤5 days of menstrual onset or ≤7 days post-discontinuing hormonal contraception) and outside these guidelines...
February 2, 2017: Contraception
https://www.readbyqxmd.com/read/28160231/perceived-financial-satisfaction-health-related-quality-of-life-and-depressive-symptoms-in-early-pregnancy
#14
Niina Sahrakorpi, Saila B Koivusalo, Johan G Eriksson, Hannu Kautiainen, Beata Stach-Lempinen, Risto P Roine
Objectives To assess the associations of perceived financial satisfaction and health-related quality of life (HRQoL) and depressive symptoms in an unselected pregnant population in early pregnancy. Methods 750 consecutive pregnant women attending the first communal ultrasound examination before gestational week 14 were invited to participate. Questionnaires assessing HRQoL (15D), depressive symptoms (Edinburgh Depression Scale, EPDS), medical, obstetric, and socioeconomic status were handed out. The participants were divided into three groups according to their satisfaction with their financial status, (unsatisfied, somewhat satisfied, and satisfied)...
February 3, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28153653/prenatal-diagnosis-and-management-of-vasa-previa-in-twin-pregnancies-a-case-series-and-systematic-review
#15
REVIEW
Eric Jauniaux, Yaakov Melcer, Ron Maymon
BACKGROUND: Twin pregnancies are at higher risks of velamentous cord insertion (VCI) and vasa previa. In-vitro fertilization (IVF) is an additional risk factor of abnormal cord insertion and thus the incidence of vasa previa is likely to increase over the next decades. OBJECTIVE: To evaluate the role of ultrasound imaging in optimizing the management of twins diagnosed with vasa previa antenatally. STUDY DESIGN: We searched our database for twin pregnancies diagnosed with vasa previa and managed antenatally using measurements of cervical length (CL) and performed a systematic review of articles which correlated prenatal diagnosis of vasa previa in twins and pregnancy outcome...
January 30, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28153573/development-and-assessment-of-a-novel-task-trainer-and-targeting-tasks-for-ultrasound-guided-invasive-procedures
#16
Joshua F Nitsche, Kristina M Shumard, Brian C Brost
RATIONALE AND OBJECTIVES: The American Institute of Ultrasound in Medicine (AIUM) recommends that all providers performing ultrasound-guided invasive procedures be competent in a core set of guidance skills common to all ultrasound-guided procedures, including in-plane and out-of-plane needle guidance and needle imaging optimization techniques such as probe translation, rotation, and heel-toe standoff. To allow for the practice and assessment of these core skills, we have created a novel task trainer and set of targeting tasks, and sought to obtain validity evidence in the content and response process domains for this training and assessment system according to the Standards for Educational and Psychological Testing...
January 30, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28150444/the-influence-of-chorionicity-and-gestational-age-at-single-fetal-loss-on-the-risk-of-preterm-birth-in-twin-pregnancies-analysis-of-the-stork-multiple-pregnancy-cohort
#17
Francesco D'Antonio, Basky Thilaganathan, Tiran Dias, Asma Khalil
BACKGROUND: Single intrauterine death (sIUD) in twin pregnancies is associated with a significant risk of co-twin demise and preterm birth (PTB), especially in monochorionic (MC) twins. However, it is yet to be established whether the gestational age at loss may influence the pregnancy outcome. The aim of this study was to explore the risk of PTB according to the gestational age at the diagnosis of sIUD. METHODS: A cohort study of all twin pregnancies from a large regional network of 9 hospitals over a ten-year period...
February 2, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28139951/cervical-length-measured-before-delivery-and-the-success-rate-of-vaginal-birth-after-cesarean-vbac
#18
Ron Beloosesky, Nizar Khatib, Nadir Ganem, Emad Matanis, Yuval Ginsberg, Mike Divon, Zeev Weiner
OBJECTIVE: To test the hypothesis that measuring CL close to the time of delivery is a predictor of successful vaginal birth following a cesarean. METHODS: A prospective longitudinal study included women with singleton pregnancies at 38-41 weeks, who previously underwent a cesarean, and who were interested in trial of labor. Patients who did not have a spontaneous onset of labor were induced at 41 weeks gestation. CL measurements were performed prior to labor by transvaginal ultrasound, recorded, and blinded from the caring physicians...
January 31, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28138914/obstetric-and-perinatal-outcome-in-anti-ro-ssa-positive-pregnant-women-a-prospective-cohort-study
#19
Nuria Martínez-Sánchez, Sergio Pérez-Pinto, Ángel Robles-Marhuenda, Francisco Arnalich-Fernández, María Martín Cameán, Edurne Hueso Zalvide, Jose Luis Bartha
: Anti-Ro/SS-A is one specific type of antinuclear antibodies. They are in the majority of cases associated with primary Sjögren syndrome (SS) but also in Systemic Lupus Erythematosus (SLE), rheumatoid arthritis (RA), and in healthy people. During pregnancy, they are mainly associated to congenital heart block (CHB) and neonatal lupus (NL). The aim of this study was to compare the rate of maternal and fetal complications between a series of anti-Ro/SS-A positive pregnant women prospectively followed...
January 30, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28134395/ultrasound-examination-of-the-fetal-heart
#20
Katherine C Bishop, Jeffrey A Kuller, Brita K Boyd, Eleanor H Rhee, Stephen Miller, Piers Barker
Congenital heart disease (CHD) occurs in 4-13 per 1000 births in the United States. While many risk factors for CHD have been identified, more than 90% of cases occur in low-risk patients. Guidelines for fetal cardiac screening during the second trimester anatomy ultrasound have been developed by the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) in order to improve antenatal detection rates and to standardize the fetal cardiac screening examination. Patients found to be at increased risk of CHD because of risk factors or an abnormal screening examination should be referred for second trimester fetal echocardiography...
January 2017: Obstetrical & Gynecological Survey
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