Search Results
Results 251 - 300 of 913
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Surerus E - - 2003
OBJECTIVE: To compare the incidence and type of heart disease found in association with 45X karyotype in fetal life with postnatal life and to examine the outcome after fetal diagnosis. METHODS: Fifty-three fetuses with a 45X karyotype were examined echocardiographically over a 4-year period between 1999 and 2002. Of these, ...
Guihard-Costa Anne-Marie - - 2003
This study provides new standards for some fetal dimensions frequently concerned with dysmorphological syndromes. Seven dimensions were included: the outer and inner canthal distances (OCD and ICD), the anteroposterior and transversal ocular diameters, the biparietal diameter and head circumference, and the inter-nipple distance. Subjects came from a large data set ...
Yuan Z W - - 2003
BACKGROUND/PURPOSE: Deficiency of motoneuron innervation to the sphincter mechanism has been described in patients with anorectal malformation. Whether this event is primary or secondary remains unclear. METHODS: The authors quantified the motoneuron innervation of the sphincter mechanism by Fluorogold (FG) retrograde tracing experiment in fetal rats with anorectal malformation. Anorectal ...
Vallet J L - - 2003
In a previous report, it was suggested that intrauterine crowding impaired fetal erythropoiesis and that fetal erythropoiesis was accelerated in Meishan pigs during early pregnancy. Because these conclusions were based on limited numbers of observations, the present experiment was undertaken to provide a more extensive investigation of these phenomena. Intact ...
Oyachi N - - 2003
OBJECTIVE: In the fetal rabbit immediately prior to birth (day 30; 0.97 gestation), intragastric atropine suppresses upper gastrointestinal (GI) motility, indicating that cholinergic receptors are expressed and functional at birth. To explore the developmental timing of upper GI cholinergic receptor function, we assessed the effect of intragastric atropine administration in ...
Cortelazzi Donatella - - 2003
OBJECTIVE: Ghrelin is a GH secretagog isolated recently from rat stomach and involved in the stimulation of food intake and adiposity in rodents and humans. Moreover, subsequent studies showed that ghrelin is expressed in rat and human placenta, suggesting a possible influence of the peptide on fetal growth. The aim ...
Kjaer Klaus W - - 2003
The development of the iliac bones and lower limbs are parallel processes depending on the normal ontogeny of the caudal blastema [O'Rahilly and Müller, 1989; Opitz, 1993; Opitz et al., 2000]. We hypothesized that the pathogenetic mechanisms leading to fused lower limbs would in parallel displace the ilia caudally and ...
Pinette Michael G - - 2003
The sonographic finding of an enlarged fetal bladder may simply be a transitory normal variant, but it may also be secondary to reflux or to obstructive, neurogenic, or myopathic causes. In this report, we describe the cases of 3 fetuses with an enlarged bladder, each of which had a different ...
Tseng Jenn-Jhy - - 2003
BACKGROUND: Prenatal ultrasound scans reveal variable features of fetal meconium peritonitis. For better understanding of the natural history and postnatal prognosis of meconium peritonitis, we clarified the significance of ultrasound findings in the outcomes of fetuses with meconium peritonitis. METHODS: Between 1991 and 2001, fetuses who underwent evaluation for meconium ...
Wax Joseph R - - 2003
The normal fetal lateral ventricular diameter remains stable at 10 mm over gestation. Mild ventriculomegaly, defined as a lateral ventricular diameter of >or=10 mm but <or=15 mm or a choroid-lateral ventricular separation >or=3 mm but <or=8 mm occurs bilaterally in 0.15-0.7% of fetuses and unilaterally in 0.07% of pregnancies. This ...
Anastasiadis P G - - 2003
OBJECTIVE: We studied how chaotic and periodic heart rate dynamics differ between normal fetuses (n = 19) and intrauterine growth restricted fetuses (n = 11) at 34 to 37 weeks of gestation. We quantified the chaotic dynamics of each heart rate time series obtained by fetal magnetocardiography (FMCG) using correlation ...
Pedreira Denise A L - - 2003
OBJECTIVE: To study the correction of a 'myelomeningocele-like' defect in fetal rabbits. METHODS: Twelve pregnant rabbits had a spinal defect surgically created in 40 of their fetuses at 23 days of gestation. Immediate repair was performed in 30 fetuses (group I), and 10 remained uncorrected (group II). After 30 days, ...
Verheijen Paul M - - 2003
OBJECTIVES: To review our 13-year experience with prenatally detected hypoplastic left heart syndrome (HLHS) of which management remains controversial. MATERIAL AND METHODS: Retrospective study of the management and outcome in all cases of HLHS diagnosed prenatally in a tertiary referral center for pediatric cardiology and cardiac surgery between January 1988 ...
Dallegrave Eliane - - 2003
The aim of this study was to assess the teratogenicity of the herbicide glyphosate-Roundup (as commercialized in Brazil) to Wistar rats. Dams were treated orally with water or 500, 750 or 1000 mg/kg glyphosate from day 6 to 15 of pregnancy. Cesarean sections were performed on day 21 of pregnancy, ...
Bronshtein Moshe - - 2003
OBJECTIVE: The purpose of this study was to describe a characteristic cluster of sonographic features of fetuses with Turner syndrome in early pregnancy. STUDY DESIGN: A targeted transvaginal ultrasound examination of all fetal organs was performed for 40123 consecutive pregnant women at 14 to 16 weeks of gestation. Both low- ...
Kok René D - - 2003
OBJECTIVE: Inositol seems to play a role in the development of the central nervous system. In this study, the brain tissue level of inositol in fetal hydrocephalus was compared with that of healthy control subjects. STUDY DESIGN: Proton magnetic resonance spectroscopy was used to examine the inositol over creatine ratio ...
Petrikovsky Boris M - - 2003
OBJECTIVE: To study the prevalence of viruses (cytomegalovirus [CMV] adenoviruses and enteroviruses) in amniotic fluid samples from fetuses with and without anomalies detected by prenatal sonography. STUDY DESIGN: Fluid samples obtained aseptically from 474 women undergoing genetic amniocentesis at our institutions from 1995 to 1996 were stored at -20 degrees ...
Sarioglu N - - 2003
We report on a case of a fetal epignathus combined with two fetus-like structures resembling acardius acranius. The anomaly was detected at 23 weeks of gestation and led to termination of pregnancy at 24 weeks. This is the first description of epignathus with parasitic fetuses detected prenatally. It shows that ...
Doubilet Peter M - - 2003
OBJECTIVE: To determine whether singleton fetuses in pregnancies that subsequently deliver prematurely are smaller than singleton fetuses of the same gestational age who are not born premature. METHODS: Our study population consisted of singleton pregnancies meeting the following criteria: at least 1 first-trimester sonogram (to ensure accurate dating), at least ...
Jouannic Jean-Marie - - 2003
OBJECTIVE: To present the outcome of a consecutive series of 19 fetuses referred to our center for megacystis in the first half of the pregnancy. STUDY DESIGN: Retrospective analysis. METHODS: 19 cases of early fetal megacystis were reviewed. Inclusion criteria were the visualization of an enlarged bladder with a maximum ...
Yum Myung-Kul - - 2003
We noticed that fetal heart rates (FHR) of immature fetuses intermittently showed unstable sudden and brief falls below baseline FHR that occur over a few or several heartbeats. The frightening falls do not occur in mature fetuses. In nonlinear dynamics, the degree of such abrupt falls in time series is ...
Cezar Gabriela Gebrin - - 2003
To gain a better understanding of global methylation differences associated with development of nuclear transfer (NT)-generated cattle, we analyzed the genome-wide methylation status of spontaneously aborted cloned fetuses, cloned fetuses, and adult clones that were derived from transgenic and nontransgenic cumulus, genital ridge, and body cell lines. Cloned fetuses were ...
Bouchard Sarah - - 2003
BACKGROUND/PURPOSE: In utero repair of myelomeningocele (MMC) in humans spares distal neurologic function, reverses the hindbrain herniation component of the Arnold-Chiari II malformation (ACM), and reduces the rate of postnatal shunt placement. The authors hypothesized that extravasation of cerebrospinal fluid (CSF) from the lumbar spinal cord results in herniation. This ...
Maeno Y - - 2003
OBJECTIVES: The aims of this study were to elucidate the clinical course of fetal bradycardia with 1 : 1 atrioventricular conduction, and to discuss the optimal management of affected fetuses in the second and third trimesters of pregnancy. METHODS: The hospital records of five fetuses with the diagnosis of bradycardia ...
Kara Simay Altan - - 2003
PURPOSE: The purpose of this study was to compare the resistance indices (RIs) in the fetal interlobar renal arteries (IRAs) of third-trimester fetuses with or without pelvicaliceal dilatation of up to 10 mm and to compare them with those of the full-term healthy infants. METHODS: Women with uncomplicated, low-risk, singleton ...
Wessels M W - - 2003
The outcome of Down syndrome fetuses presenting with sonographic abnormalities in the second or third trimester is unclear. Therefore, we studied 55 pregnancies referred because of sonographically suspected fetal structural anomalies or growth retardation due to trisomy 21. A detailed ultrasound scan was performed in all cases to delineate the ...
Adama van Scheltema P N - - 2003
OBJECTIVE: To study the outcome of pregnancies with a prenatally diagnosed central nervous system (CNS) malformation. METHODS: Leiden University Medical Centre is a tertiary referral center for fetal ultrasound and invasive prenatal diagnosis. Maternal and neonatal records of prenatally diagnosed CNS malformations were retrospectively reviewed over a 6-year period (1993-1998). ...
Wax Joseph R - - 2003
PURPOSE: We screened pregnant women at low risk of a fetal chromosomal abnormality for the presence of fetal intracardiac echogenic foci (ICEF) and graded those foci by using sonographic gain reduction. Our objectives were to determine the interobserver reliability of the technique and the association of ICEF, by grade, with ...
Almog Benny - - 2003
OBJECTIVE: The upper limit of the fetal atrial width in normal fetuses is debated. This was a prospective cohort evaluation of the lateral ventricular width with special regard to the upper limit of its size. METHODS: Measurements of fetal atrial ventricular size were obtained by abdominal ultrasonography in 427 male ...
Anoon Summaya S - - 2003
AIMS: To compare the obstetric outcome of excessively- and appropriately-grown fetuses. METHODS: Medical records of mothers who delivered excessively overgrown fetuses, defined as birthweight > or = 5000 g, in our hospital between 1996 and 2000 (n = 47, study group), and a control group who delivered fetuses with normal ...
Lee Wesley - - 2003
OBJECTIVE: This study examined the use of three-dimensional ultrasonography for evaluating the fetal nasal bone, as a sonographic marker of Down syndrome, during the second and early third trimesters of pregnancy. METHODS: Forty fetuses, including 20 with trisomy 21, were scanned once by three-dimensional ultrasonography. A midline sagittal view of ...
Fukada Y - - 2002
OBJECTIVES: This study was designed to correlate fetuses in a normal prenatal population who exhibited transient nuchal translucency (NT) with both prenatal course and pregnancy outcome. METHODS: The fetuses with abnormal NT were followed by ultrasonography at 1-2-week intervals during their prenatal course. Fetuses with NT who exhibited no detectable ...
Canada Nuno - - 2002
Neospora caninum and Toxoplasma gondii are related parasites. The former is a common cause of abortion in dairy cattle. The latter has not been conclusively demonstrated in bovine fetuses. During the course of attempts to isolate N. caninum from aborted fetuses, T. gondii was isolated from 2 aborted fetuses, 1 ...
Pedreira Denise A L - - 2002
OBJECTIVE: To evaluate the fetal survival rate using a modified technique to surgically create a 'myelomeningocele-like' defect in a rabbit model. METHODS: Six white New Zealand rabbits had a spinal defect created in their fetuses at 23 days of gestation. At 30 days of gestation, the fetuses were harvested for ...
James D K - - 2002
OBJECTIVES: To examine whether prenatal exposure to a music stimulus alters fetal behavior and whether this continues into the newborn period. SUBJECTS AND METHODS: A prospective randomized control trial was conducted using an exposure learning model in 20 normal term pregnancies. Music was played to ten fetuses via a headphone ...
Xu Hui-Xiong - - 2002
PURPOSE: We assessed the differences between 2-dimensional (2D) and 3-dimensional (3D) sonography (US) in evaluating fetal malformations. METHODS: Both 2D US and 3D US were used to examine pregnant women whose fetuses had malformations. The diagnostic information provided by the modalities was evaluated and compared. RESULTS: A total of 62 ...
Stone Joanne - - 2002
OBJECTIVE: Multifetal pregnancy reduction (MPR) is a technique developed to reduce the risks of a multifetal pregnancy. The objective of this article was to report the outcome of MPR in the largest single-center experience to date. STUDY DESIGN: A computerized database was used to determine the outcome of 1000 consecutive ...
Mazza V - - 2002
OBJECTIVES: Prenatal diagnosis in families affected by X-linked recessive disorders should ideally be limited to the subjects at increased risk, i.e. male fetuses, in order to avoid the risk of fetal loss due to the invasive procedure in healthy female fetuses. The aim of the study was to assess the ...
Detti Laura - - 2002
OBJECTIVE: Our purpose was to assess the feasibility of longitudinal assessment of the middle cerebral artery peak systolic velocity (MCA-PSV) to predict fetuses who will have severe anemia. STUDY DESIGN: Doppler measurement of MCA-PSV was serially performed in 15 healthy fetuses (99 measurements; range: 4-9 per fetus), 8 fetuses who ...
Otaño L - - 2002
OBJECTIVES: To evaluate the association between absence of nasal bone on ultrasound and Down syndrome in fetuses at 11-14 weeks of pregnancy. METHODS: One hundred and ninety-four consecutive fetuses from singleton pregnancies undergoing chorionic villi sampling (CVS) were evaluated by transabdominal ultrasound. A sagittal view of the fetal face was ...
Boreham D R - - 2002
Teratogenesis induced by radiation in fetal mice has been closely linked to Trp53-dependent apoptosis. This study examined teratogenesis in tails and limb digits of fetal mice with varying Trp53 status after a 4-Gy radiation exposure, with and without a prior 40.5 degrees C, 60-min heat stress. Irradiation earlier in gestation ...
Monteagudo L - - 2002
Fourteen hydrops fetalis cases appeared in a sheep flock in the Soria province of Central Spain in two lambing seasons in 2000. There were no previous cases of hydrops fetalis in this flock. Normal delivery could not be completed because fetal weights ranged from 12 to 16 kg and fetuses ...
Chmait Ramen - - 2002
OBJECTIVE: The purpose of this study was to compare the prenatal diagnostic capabilities of two-dimensional ultrasonography versus adjunctive three-dimensional ultrasonography for fetal cleft lip and palate. STUDY DESIGN: Fetuses that were suspected of a facial cleft were then examined sequentially with two-dimensional ultrasonography then with a targeted scan of the ...
Jaeggi Edgar T - - 2002
OBJECTIVE: We sought to study the clinical and ultrasonographic findings and outcomes of fetuses with ductus venosus agenesis as the result of extrahepatic umbilical vein drainage. STUDY DESIGN: This was an observational study of 12 fetuses who were diagnosed with these anomalies between 1995 and 2001. RESULTS: The umbilical vein ...
Hashimoto Ryozo - - 2002
Since high anorectal malformations with fistulae in human embryos and fetuses of successive developmental stages have not been reported, the embryologic relationship between the rectal fistula (RF) and the genitourinary tract (GUT) in high anorectal agenesis (ARA) remains to be elucidated. This study investigates the developmental relationship between the RF ...
Monteagudo Ana - - 2002
OBJECTIVE: To describe the sonographic findings of sirenomelia during the first trimester on both two-dimensional sonography with color Doppler imaging and three-dimensional sonography. METHODS: Two cases of sirenomelia in primiparous patients with histories of infertility are described. The diagnosis was made on the basis of two-dimensional sonography, and three-dimensional sonography ...
Quartero H W P - - 2002
OBJECTIVES: To test the usefulness and reliability of fetal magnetocardiography as a diagnostic or screening tool, both for fetuses with arrhythmias as well as for fetuses with a congenital heart defect. METHODS: We describe 21 women with either a fetal arrhythmia or a congenital heart defect discovered during prenatal evaluation ...
Blazer Shraga - - 2002
PURPOSE: To prospectively assess the frequency of a nonvisualized fetal gallbladder in early pregnancy and to determine its prognostic value. MATERIALS AND METHODS: Fetal transvaginal ultrasonography (US) was performed in 29,749 consecutive pregnant women at 14-16 weeks gestation. A nonvisualized fetal gallbladder was defined if the gallbladder could not be ...
Pedra Simone R F F - - 2002
BACKGROUND: Although the prenatal diagnosis of most fetal structural heart defects and dysrhythmias has been described, there is a paucity of information about cardiomyopathies (CMs) in prenatal life. METHODS AND RESULTS: To determine the pathogenic mechanisms, hemodynamic findings, and outcome of fetal CM, we reviewed the fetal echocardiograms and perinatal ...
Bourlière-Najean B - - 2003
The aim of this study was to assess the value of fetal skeletal radiographs in determining the etiology of fetal death. A total of 1193 post-mortem fetal skeletal radiographs were analysed. Fetuses were classified into one of three groups (group I: abnormality diagnosed during pregnancy; group II: maternal pathology; group ...
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