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Fetal Sonography

Marialuigia Spinelli, Lavinia Di Meglio, Beatrice Mosimann, Edoardo Di Naro, Daniel Surbek, Luigi Raio
BACKGROUND: Normal morphometry of the vermis and its relation to the posterior fossa (PF) rule out most major anomalies of the cerebellum. However, accurate categorization of the position and size of the fetal vermis remains a challenge. OBJECTIVE: Our aim was to test a new method to assess the position and size of fetal vermis on 3-dimensional ultrasound (3D-US). METHODS: We measured the vermian-crest angle (VCA) in normal fetuses using multiplanar 3D-US...
December 5, 2018: Fetal Diagnosis and Therapy
Prema Menon, Vineet Binu, Katragadda Lakshmi Narasimha Rao, Vanita Suri
Aim: Pregnant women with antenatally diagnosed surgical abnormalities of the fetus are often referred for pediatric surgical consultation for likely outcome and prognosis. In this study, we analyzed the gestational age at referral to see the benefits of the same in decision-making and also looked for any change in trends of referral pattern over a period with the increasing availability of ultrasonography (USG). Materials and Methods: Records of pregnant women referred for antenatal counselling over an eight year period were analyzed...
October 2018: Journal of Indian Association of Pediatric Surgeons
Juan J Cerrolaza, Yuanwei Li, Carlo Biffi, Alberto Gomez, Jaqueline Matthew, Matthew Sinclair, Chandni Gupta, Caroline L Knight, Daniel Rueckert
Ultrasound (US) imaging is arguably the most commonly used modality for fetal screening. Recently, 3DUS has been progressively adopted in modern obstetric practice, showing promising diagnosis capabilities, and alleviating many of the inherent limitations of traditional 2DUS, such as subjectivity and operator dependence. However, the involuntary movements of the fetus, and the difficulty for the operator to inspect the entire volume in real-time can hinder the acquisition of the entire region of interest. In this paper, we present two deep convolutional architectures for the reconstruction of the fetal skull in partially occluded 3DUS volumes: a TL deep convolutional network (TL-Net), and a conditional variational autoencoder (CVAE)...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
M He, S Hu, T Hu, Z Zhang, H Luo
Objective: To assess the association between fetal borderline ventriculomegaly (VM) diagnosed by prenatal ultrasound and chromosomal abnormality. Methods: Sonographic manifestation and chromosome of 129 cases with borderline VM diagnosed by prenatal sonography were analyzed retrospectively. All subjects were divided into 3 groups, 80 cases (62.0%, 80/129) in isolated VM (IVM) group, 27 cases (20.9%, 27/129) of VM with no additional structural abnormality group (including ultrasonic soft marker, abnormal volume of amniotic fluid and fetal growth restriction) and 22 cases (17...
October 25, 2018: Zhonghua Fu Chan Ke za Zhi
Nivaldo Adolfo da Silva, José Vassallo, Luis Otávio Sarian, Christophe Cognard, Annick Sevely
To report our preliminary experience with cerebral fetal magnetic resonance imaging (MRI) with a 3 Tesla (3T) scanner. We assessed feasibility, time of acquisition, and possibility to establish a diagnosis.Fifty-nine pregnant women had fetal MRI performed during the third trimester of pregnancy due to clinical or sonography concern of a central nervous system anomaly. No fetal or maternal sedation was used. The MRI protocol consisted of T2 turbo-spin-echo images in 3 planes of space. No T1-weighted images were performed...
October 2018: Medicine (Baltimore)
Mehmet Resit Asoglu, Ruofan Yao, Lindsey Seger, Ozhan Mehmet Turan, Sifa Turan
OBJECTIVE: This study aimed to evaluate the impact of obesity on early evaluation of fetal cardiac landmarks using a standardized examination method at the time of nuchal translucency scan. METHODS: This was a cross-sectional study of an ongoing prospective cohort at high risk for congenital heart defects. We used a standardized examination protocol using 2-dimensional sonography with power Doppler in the evaluation of fetal cardiac landmarks consisting of 4-chamber view, outflow tract relationship, and transverse arches view...
September 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
N Volpe, C Migliavacca, A Dall'Asta, C T Kaihura, T Ghi, T Frusca
We herein present a case of fetal multiple hemivertebrae detected at antenatal sonography. The use of the 3 D technology supported by a new contrast enhancement rendering algorithm (Crystal Vue) has allowed the accurate prenatal classification of the defect, confirmed at follow up, that would have been difficult to define by 2 D only.
October 29, 2018: Journal of Maternal-fetal & Neonatal Medicine
Yu Wang, Miao Fan, Faiza Amber Siddiqui, Meilian Wang, Wei Sun, Xue Sun, Wenjia Lei, Ying Zhang
BACKGROUND: Obtaining an accurate diagnosis of fetal aortic arch anomalies is often difficult with traditional two-dimensional (2D) sonography. Thus, the aim of this study was to assess the value of three-dimensional (3D) sonography with spatiotemporal image correlation for diagnosing fetal aortic arch anomalies using a novel algorithm for 3D volume analysis. METHODS: Two-dimensional and 3D echocardiographic image data from 300 normal fetuses and 30 fetuses with aortic arch anomalies were retrospectively reviewed...
August 23, 2018: Journal of the American Society of Echocardiography
R K Kazal, S A Chowdhury, T T Mirza, H H Pervin, F Noor, B Chakma, F Z Aalpona
Thalassaemia is one of the commonest inherited disorders in Bangladesh. Since population is rapidly increasing in Bangladesh, therefore birth of large number of new cases is expected every year. Chorionic villus sampling (CVS) is an invasive diagnostic procedure done in early pregnancy to obtain fetal cells for the prenatal diagnosis of chromosomal and genetic disorders like thalassemia. To investigate the feasibility, safety, and outcome of transabdominal Chorionic Villus Sampling (CVS) for prenatal diagnosis of Beta Thalassemia, this retrospective analytical study was carried out on women who had undergone transabdominal CVS for prenatal diagnosis of Beta thalassemia...
July 2018: Mymensingh Medical Journal: MMJ
Romain Nicot, Daniel Rotten, Yasmin Opdenakker, Bothild Kverneland, Joël Ferri, Gérard Couly, Jean-Marc Levaillant
OBJECTIVES: Craniofacial deformities have a high psychosocial impact. The aim of this paper is to improve obstetric ultrasonography and prenatal detection of facial anomalies by providing a new fetal dental panorama. MATERIAL AND METHODS: The present study describes a new modality to visualize the fetal tooth germs and an easy step-by-step diagnostic approach. Image acquisition was performed between 23 and 32 weeks of gestation using a Voluson E10 GE ultrasound machine with an RM6C transducer (GE Medical Systems, Zipf, Austria)...
August 21, 2018: Clinical Oral Investigations
Ladan Younesi, Razieh Shahnazari
Objectives: The present research was motivated by providing new insight into early pregnancies with a chorionic bump diagnosis in first-trimester sonography and its impact on live birth rate. Methods: To determine the rate of CB, first trimester sonograms of pregnant women referring to Akbarabadi Hospital, which is a treatment and training center affiliated to Iran University of Medical Sciences as well as those referring to a private center were analyzed. The total number of transvaginal sonographies performed was 1900 cases from whom 8 cases of CB were detected...
October 2017: Journal of Medical Ultrasound
Lami Yeo, Dor Markush, Roberto Romero
Tetralogy of Fallot with pulmonary atresia, a severe form of tetralogy of Fallot, is characterized by the absence of flow from the right ventricle to the pulmonary arteries. This cardiac abnormality is challenging and complex due to its many different anatomic variants. The main source of variability is the pulmonary artery anatomy, ranging from well-formed, confluent pulmonary artery branches to completely absent native pulmonary arteries replaced by major aorto-pulmonary collateral arteries (MAPCAs) that provide all of the pulmonary blood flow...
July 12, 2018: Journal of Maternal-fetal & Neonatal Medicine
Tally Lerman-Sagie, Daniella Prayer, Sophia Stöcklein, Gustavo Malinger
The embryologic development of the cerebellum extends over a long time period, thus making it vulnerable to a broad spectrum of malformations and disruptions. Knowledge of the main steps of fetal posterior fossa development; the normal imaging patterns at different stages of embryogenesis; the large spectrum of cerebellar malformations; and their clinical presentations enables diagnosis and precise counseling of parents. Sonography is the most important imaging method for the screening of cerebellar malformations since it is noninvasive, widely available, and safe for both mother and child...
2018: Handbook of Clinical Neurology
Tayyib T A Hayat, Mary A Rutherford
We are entering a new era of understanding human development with the ability to perform studies at the earliest time points possible. There is a substantial body of evidence to support the concept that early motor behaviour originates from supraspinal motor centres, reflects neurological integrity, and that altered patterns of behaviour precede clinical manifestation of disease. Cine Magnetic Resonance Imaging (cineMRI) has established its value as a novel method to visualise motor behaviour in the human fetus, building on the wealth of knowledge gleaned from ultrasound based studies...
September 2018: Neuroscience and Biobehavioral Reviews
W Reith, A Haussmann, U Yilmaz
CLINICAL ISSUE: The most important prenatal screening method for the detailed assessment of the fetus is ultrasound, which is often combined with colour-coded Doppler sonography. In case of sonographically diagnosed fetal pathologies or technical limitations of the ultrasound, supplementary diagnostics may be necessary. STANDARD RADIOLOGICAL METHODS: With fast MRI sequences, fetal MRI screening provides important additional information especially with regard to the most common congenital pathologies-central nervous system (CNS) pathologies (agenesis of the corpus callosum, ventriculomegaly, arachnoid cyst, pathologies of the posterior cranial fossa, dysfunction of the gyrification)...
July 2018: Der Radiologe
T Ghi, A Dall'Asta, B Masturzo, B Tassis, M Martinelli, N Volpe, F Prefumo, G Rizzo, G Pilu, L Cariello, L Sabbioni, A M Morselli-Labate, T Todros, T Frusca
OBJECTIVE: To assess whether sonographic diagnosis of fetal head position before instrumental vaginal delivery can reduce the risk of failed vacuum extraction and improve delivery outcome. METHODS: Randomised Italian Sonography for occiput POSition Trial Ante vacuum (R.I.S.POS.T.A.) is a randomized controlled trial of term (37 + 0 to 41 + 6 weeks' gestation) singleton pregnancies with cephalic presentation requiring instrumental delivery by vacuum extraction, which was conducted between April 2014 and June 2017 and involved 13 Italian maternity hospitals...
May 21, 2018: Ultrasound in Obstetrics & Gynecology
Abraham Tsur, Boaz Weisz, Orgad Rosenblat, Daniel Shai, Estela Derazne, David K Stevenson, Reuven Achiron, Eldad Katorza
OBJECTIVE: To personally customize the antenatal ultrasound charts for the fetal corpus callosum (CC) length. METHODS: A retrospective analysis of fetal neuro-sonography scans. Cases were grouped as normal neuro-sonographic evaluation (normal) or as high risk and suspected brain anomaly (abnormal). The normal group was subcategorized according to Cignini's CC length charts. Data of fetuses with a CC length between the 5th-95th percentile served for creating new charts, describing the ratio of the CC length to the major biometric parameters as a function of gestational age (GA)...
June 7, 2018: Journal of Maternal-fetal & Neonatal Medicine
Lea Bentur, Michal Gur, Mordechai Pollak, Kamal Masarweh, Ido Solt, Moshe Bronshtein
OBJECTIVES: To evaluate and describe the spectrum and rate of congenital thoracic malformations (CTMs) diagnosed by early prenatal sonography (gestational age (GA) less than 16 weeks). METHODS: A retrospective, cross-sectional analysis of prenatal ultrasound screening tests in a community-based clinic. RESULTS: In 2001-2017, 31 261 prenatal ultrasound tests detected 31 CTMs at a gestational age of 15.2 (range, 11.6-16.0) weeks. The most common malformation was congenital pleural effusion (CPE) (15 fetuses, 0...
May 2, 2018: Journal of Maternal-fetal & Neonatal Medicine
Mi Hae Chung, Chan Ok Shin, Juyoung Lee
Purpose: Routine screening for toxoplasmosis, rubella, cytomegalovirus (CMV), and herpes simplex virus (TORCH) in intrauterine growth restriction (IUGR) and small for gestational age (SGA) neonates has become a common practice. However, the incidence of TORCH varies across countries, and the cost of TORCH testing may be disadvantageous compared to disease-specific screening. To evaluate the efficacy of TORCH screening, the medical charts of IUGR or SGA neonates born in a single institution in Bucheon, Korea from 2011 to 2015 were reviewed...
April 2018: Korean Journal of Pediatrics
Scott J Adams, Brent E Burbridge, Andreea Badea, Nadine Kanigan, Luis Bustamante, Paul Babyn, Ivar Mendez
OBJECTIVES: To determine the feasibility of a telerobotic approach to remotely perform prenatal sonographic examinations. METHODS: Thirty participants were prospectively recruited. Participants underwent a limited examination (assessing biometry, placental location, and amniotic fluid; n = 20) or a detailed examination (biometry, placental location, amniotic fluid, and fetal anatomic survey; n = 10) performed with a conventional ultrasound system. This examination was followed by an equivalent examination performed with a telerobotic ultrasound system, which enabled sonographers to remotely control all ultrasound settings and fine movements of the ultrasound transducer from a distance...
April 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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