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Results 351 - 400 of 1248
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Johnsen Synnøve Lian - - 2006
AIMS: Previous studies suggested that head circumference (HC) predicts the date of confinement better than the biparietal diameter (BPD). The present study aimed to prospectively test this assumption. METHODS: A prospective study including 4179 consecutive women attending the second trimester routine ultrasound examination at 17-20 weeks of gestation. Outer-outer BPD ...
Salomon L J - - 2005
OBJECTIVES: To develop and evaluate the feasibility of Z-score distribution-based quality assessment for fetal biometry at 20-24 gestational weeks. METHODS: Four sonographers measured fetal biparietal diameter, head circumference, abdominal circumference and femur length in unselected pregnancies undergoing routine sonography at 20-24 weeks in our center between June 2001 and January ...
Li J P - - 2005
3D porous Ti6Al4V scaffolds were successfully directly fabricated by a rapid prototyping technology: 3D fibre deposition. In this study, the rheological properties of Ti6Al4V slurry was studied and the flow rate was analyzed at various pressures and nozzle diameters. Scaffolds with different fibre diameter and porosity were fabricated. ESEM observation ...
Chawanpaiboon Saifon - - 2005
AIM: To create reference centile charts for liver length, spleen perimeter and umbilical vein maximum flow velocity (UVVmax) in Thai fetuses in order to predict fetal anemia in Thai fetuses. METHODS: The study was a prospective, cross-sectional study, carried out at the Division of Maternal-Fetal Medicine, Department of Obstetrics and ...
Johnsen Synnøve Lian - - 2006
OBJECTIVES: The aims of the present study were to establish improved reference charts for growth of the fetal head, abdomen and femur, and to determine the effect of fetal and maternal factors. STUDY DESIGN: This prospective longitudinal study included 650 low-risk pregnancies. Outer-outer biparietal diameter (BPD), head circumference (HC), mean ...
Kedzia Alicja - - 2005
BACKGROUND: Because of numerous abnormalities of craniovertebraljunction development observed in the prenatal period, the region has been studied thoroughly in order to elucidate the mechanism of axial differentiation, dependence of vertebral morphology on the development of ossification centers and the mechanisms regulating the dynamics of growth. AIM: Analysis of morphological ...
Ivanisević Marina - - 2006
BACKGROUND/AIMS: In pregnancy complicated with type-1 diabetes mellitus (DM), information on the predictive value of yolk sac (YS) measurement and YS morphology on outcome has been scant. The aim of this study was to compare the size and shape of the YS using transvaginal sonography (TVS) in normal pregnancies and ...
Donne Helio Delle HD - - 2005
PURPOSE: This study was conducted to verify the predictive value of epiphyseal ossification center measurements in estimating gestational age. METHODS: Women with singleton pregnancies of 30-40 weeks gestation (n = 377) were enrolled in this prospective study. The distal femoral, proximal tibial, and proximal humeral ossification centers were identified and ...
Weladji Robert B - - 2005
We analysed intercohort variability of live weight and antler length of 5,123 reindeer calves. We further assessed the influence of climate and density on the interannual variation in antler length, and discussed sex-specific resource allocation and response to climate variability. Antler length varied significantly among years and between sexes, with ...
Sladkevicius P - - 2005
OBJECTIVES: To determine the accuracy of established ultrasound dating formulae when used at 12-14 weeks of gestation. METHODS: One-hundred and sixty-seven singleton pregnancies conceived after in-vitro fertilization (IVF) underwent a dating scan at 12-14 weeks of gestation. Gestational age at the dating scan was calculated by adding 14 days to ...
Mirghani Hisham M - - 2005
AIM: To compare the accuracy of eight sonographic formulae for predicting fetal birth weight at term in a multiethnic population. METHODS: Pregnant women at term who were booked for induction of labor or elective cesarean section were included in the study. Eight ultrasonic fetal biometric formulae were used to predict ...
Falcon O - - 2005
OBJECTIVE: To establish the relationship between fetal trunk and head volume measured by three-dimensional (3D) ultrasound and gestational age at 11 + 0 to 13 + 6 weeks of gestation. METHODS: The fetal trunk and head volume were measured using 3D ultrasound in 417 chromosomally normal fetuses from singleton pregnancies ...
Santiago-Moreno J - - 2005
Serial transrectal ultrasonographies were performed measuring different structures of mouflon (Ovis gmelini musimon) fetuses to establish their gestational age. Data were obtained from 14 mouflon ewes that became pregnant after estrous synchronization. From day 25 of gestation onward, the crown-rump length and the trunk diameter of the embryo were estimated. ...
Goldstein Israel - - 2005
OBJECTIVE: The aim of this study was to define normal ultrasonographic growth of the fetal maxillary bone throughout pregnancy as a basis for further studies and as normative data for assessing deviations in growth. METHODS: A prospective cross-sectional study was performed. Consecutive routine biometric measurements and fetal organ scans were ...
Nakling Jakob - - 2005
OBJECTIVE: In a large unselected population of normal spontaneous pregnancies, to estimate the biologic variation of the interval from the first day of the last menstrual period to start of pregnancy, and the biologic variation of gestational length to delivery; and to estimate the random error of routine ultrasound assessment ...
Merialdi M - - 2005
OBJECTIVES: To compare fetal biometry measurements obtained in a Peruvian population with reference fetal size charts obtained in Peruvian and non-Peruvian populations. METHODS: Fetal biometry measurements collected prospectively in 195 uncomplicated pregnancies were included in the presented analysis. At 20, 24, 28, 32, 36 and 38 weeks' gestation, fetal head ...
Mongelli M - - 2005
OBJECTIVE: To derive an accurate formula for ultrasound estimation of gestational age in late pregnancy. METHODS: A database of 123 singleton pregnancies conceived by artificial reproductive techniques with third-trimester ultrasound measurements was studied. Biometry variables included the fetal head circumference (HC) and femur length (FL). The dataset was equally divided ...
Bartram J L - - 2005
Head circumference is an important clinical measurement in children. The stretchability of the Lasso-o tape and the intra- and inter-observer reproducibility of measurements using it were investigated. Old Lasso-o tapes stretch significantly. The intra-class coefficients were 0.999 for intra-observer and 0.979 for inter-observer measurements. Nonetheless in 9% of measurements inter-observer ...
Ozcelik Nazire - - 2006
BACKGROUND: We aimed to establish the prevalence of interatrial septal openings (IASOs) in newborns, to define their natural course during the first year of life, and to find the predictor factors for their spontaneous closure. METHODS: One thousand and seventy two newborns were examined with echocardiography in early postnatal period. ...
Paley Dror - - 2005
To date, the only way to predict adult height in achondroplastic dwarves has been to consult a growth chart. The purpose of this study was to ascertain whether the multiplier method of predicting adult height at skeletal maturity in healthy persons can be applied to persons with achondroplasia. Previous studies ...
Aytan Hakan - - 2005
OBJECTIVE: To determine the patient-related factors associated with severe perineal lacerations in nulliparous women and to evaluate the effect of episiotomy type on the risk of severe perineal tears. STUDY DESIGN: In all, 400 nulliparous women admitted in labor between June and December 2001 were prospectively enrolled. Maternal height, perineal ...
Vignolo M - - 2005
The spatial and temporal pattern of manifestation of ossification nuclei of the spinal column in fetal life have been well established by histologic and radiologic studies. Sonographic evaluation of the fetal spine depends on visualization of the ossification centers, but the sequence of development of ossification centers in the vertebral ...
Paley Jonathan - - 2005
OBJECTIVE: The purpose of this study was to produce a method of predicting limb length discrepancy in utero. METHODS: Using available databases, we divided the femoral and tibial lengths at term by the femoral and tibial lengths at each week of gestation for each percentile. The quotients represent coefficients (multipliers) ...
Sase Masakatsu - - 2005
AIM: The purpose of the present study was to determine the potential maturational effects of maternal dexamethasone administration on fetal upper gastrointestinal motility. METHODS: Nineteen pregnant rabbits were randomized into two groups (DEX and CONT) and studied on either day 24, 27 or 30 of pregnancy (term 31 days). The ...
Fayn Evgueni - - 2005
Ultrasound measurements, including xiphoid-to-pericardial distance and deployment angle, were made on human fetuses as a function of gestational age for the purpose of assessing the likelihood of 3 failure modes of a monolithic fetal pacemaker, including primary positioning failure due to device length and secondary dislodgement failure due to somatic ...
Lee Youngwon - - 2005
The objective of this study was to determine relationship of gestational age with measurement of diameter of head, orbit, trunk, long and short axis of heart, aorta, placentome, umbilical cord and umbilical vein in Korean black goats. In this study, ten pregnant Korean black goats (Capra hircus aegagrus) were used. ...
Giordano Giovanna - - 2005
In this paper we report a case of early onset fetal akinesia, with unusual pathological findings. This is a product of medical abortion of young, healthy, unrelated parents. The mother's obstetrical history revealed two previous early miscarriages and a suspicion of FADS in the second previous gestation. At 17 weeks ...
O'goshi Ken-Ichiro - - 2005
BACKGROUND/PURPOSE: Measurement of skin surface and stratum corneum (SC) hydration during clinical and/or experimental trials needs devices with acceptable reproducibility and sensitivity under conditions ranging from increased and normal to low hydration. A previous study comparing Corneometer instruments (European group for Efficacy Measurement of Cosmetics and Other products--EEMCO) used for ...
Mayor Pedro - - 2005
Ultrasound imaging has been used to elucidate certain aspects of the reproductive biology of wild or endangered species. However, to our knowledge, this tool has not been used for reproductive monitoring of the collared peccary (Tayassu tajacu). In this study, real-time ultrasonography was used in 16 collared peccary females to ...
Chama C M - - 2005
One hundred and five consecutive women had transvaginal sonography (TVS) at less than 12 weeks gestation to establish the normal size and shape of the secondary yolk sac (YS) and to assess the YS measurements in predicting pregnancy outcome in the first trimester. A yolk sac diameter more or less ...
Drey Eleanor A - - 2005
OBJECTIVE: To establish normative fetal foot length ranges using last menstrual period (LMP) and ultrasound dating by biparietal diameter and to examine variations in these ranges by ethnicity. METHODS: A consecutive series of 1,099 eligible subjects receiving abortions had fetal foot lengths measured directly. Models of fetal foot length were ...
Frost Herbert C - - 2005
We evaluated and quantified prenatal growth of fishers (Martes pennanti) using ultrasonography. Seven females gave birth to 21 kits. The first identifiable embryonic structures were seen 42 d prepartum; these appeared to be unimplanted blastocysts or gestational sacs, which subsequently implanted in the uterine horns. Maternal and fetal heart rates ...
Jouve Jean-Luc - - 2005
Two angles effectively describe the upper femur geometry: The neck shaft angle (NSA) and anteversion (AV). AV and NSA decrease from birth until they reach their adult values, but little work has focused on in-utero life. Our aim was to determine if and how AV and NSA change through the ...
Gull Ilan I Ultrasound Unit, Department of Obstetrics and Gynecology, Lis Maternity Hospital, Tel Aviv, - - 2005
To generate nomograms for the sonographic measurement of the fetal philtrum and chin during pregnancy. A prospective, cross-sectional study in normal singleton pregnancies. One hundred and fifty-three fetuses between 13 and 42 weeks of gestation were studied. The philtrum was measured from the base of the columella to the upper ...
Garel C - - 2005
Assessing fetal cerebral biometry is one means of ascertaining that the development of the fetal central nervous system is normal. Norms have been established on large cohorts of fetuses by sonographic and neurofetopathological studies. Biometric standards have been established in MR in much smaller cohorts. The purpose of this paper ...
Vlajković Slobodan - - 2005
BACKGROUND: Human fetal kidney is quite different from the mature kidney, both macroscopically and hystologically. Lobulated surface of the human fetal kidney reflects its inner organisation. AIM: To determine the fetal kidneys' volume according to the gestational age, to establish periods of their maximal and minimal growth and to compare ...
Rizk Diaa E E - - 2005
The objective of this study was to measure the length of episiotomy or spontaneous posterior perineal laceration and their relationship to perineal measurements and obstetric variables. The length of the perineum and genital hiatus and vertical length of episiotomy or posterior perineal tears were measured in 114 consecutive parturients with ...
Athanasopoulos A - - 2005
OBJECTIVE: The purpose of this study was to assess the relationship between the length of perineal body, the anal position index, the total fourchette-coccyx distance and the anal-coccyx length and female urodynamic stress urinary incontinence (USUI). PATIENTS AND METHODS: The study included 57 women with USUI (group A) and 45 ...
Kepkep Kumral - - 2005
OBJECTIVE: To construct an ultrasonographic nomogram of the fetal gastric size with gestational age in normal singleton pregnancy. PATIENTS AND METHODS: Out of 17 000 outpatient pregnant women who were admitted to our hospital, a total of 250 fetal measurements were randomly collected from routine ultrasonographic examinations performed in women ...
Blair Eve M - - 2005
The appropriateness of an individual's intra uterine growth is now considered an important determinant of both short and long term outcomes, yet currently used measures have several shortcomings. This study demonstrates a method of assessing appropriateness of intrauterine growth based on the estimation of each individual's optimal newborn dimensions from ...
Nasrat H - - 2005
OBJECTIVE: To establish fetal ultrasound biometry charts for Arabian fetuses between 14 and 40 weeks of gestation. METHOD: Cross-sectional fetal ultrasound data of normal singleton pregnancies, which had been performed over a period of 7 years, were retrieved. Only pregnant Arab women with certain last menstrual period dates and/or early ...
Hurd Y L - - 2005
Marijuana (Cannabis sativa) is the most commonly used illicit drug by pregnant women, but information is limited about the effects of prenatal cannabis exposure on fetal development. The present study evaluated the influence of early maternal marijuana use on fetal growth. Women electing voluntary saline-induced abortions were recruited at a ...
Suresh Seshadri - - 2004
OBJECTIVE: Among the fetal skin disorders, harlequin ichthyosis is the one that has specific sonographic features in the antenatal period. A few cases of antenatal diagnosis of harlequin ichthyosis with typical facial features of ectropion and eclabium have been described. The manifestation of the phenotype is usually in the third ...
Schluter P J - - 2004
The purpose of this paper was to construct population-specific charts of fetal biometry for 11-41 weeks gestation in relation to known gestational age from a large population of normal Australian pregnancies when examination is performed to a standard protocol by experienced operators. All consenting eligible women attending a large Brisbane ...
Vianna W L - - 2004
Swine uterine capacity affects litter size, and it could be used as a selection parameter of reproductive performance. Although there are some controversial results, evidences show that the catheter penetration length is positively correlated with litter size, and it could be used as a tool for predicting selection methods. The ...
Zambelli Daniele - - 2004
We ultrasonographically evaluated the prenatal development in cats, from Day 30 to the end of pregnancy, subjecting a group of pregnant cats (n = 8) to daily ultrasonographic examinations. The ultrasonographic images allowed us to measure the diameter of the fetal abdomen, the biparietal diameter of the fetal skull and ...
Danzer E - - 2004
OBJECTIVE: To evaluate the impact of prenatal myelomeningocele repair on fetal head biometry. METHODS: Fifty fetuses underwent open fetal myelomeningocele repair at our institution between January 1998 and July 2002. All had serial head circumference (HC) and lateral ventricular diameter (VD) measurements taken preoperatively and weekly for 8 weeks after ...
Perni S C - - 2004
OBJECTIVE: To assess the intra- and interobserver reproducibility of ultrasound measurements of fetal biometric parameters. METHODS: We assessed the intraobserver and the interobserver agreement in measurements of fetal biparietal diameter (BPD), abdominal circumference (AC), head circumference (HC) and femur length (FL) on 122 singleton pregnancies. Patients were each examined twice ...
Hosaka Akihiro - - 2004
BACKGROUND: Various growth factors promote collateral vessel development and are regarded as promising for the treatment of vascular occlusive diseases. However, an efficacious delivery system for them has yet to be established. We devised a strategy to augment functional collateral vessels by using acidic gelatin hydrogel microspheres (AGHMs) incorporating basic ...
Pluskiewicz Wojciech - - 2004
In the prospective study, 48 females in normal pregnancy were evaluated to determine if the presence of disturbances of maternal bone and mineral status is related to fetal and newborn growth. The aim of the study was to estimate mean and individual changes in maternal skeletal and laboratory variables during ...
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