Abstract:
OBJECTIVE:To determine the effect of shipping blood in Streck blood collection tubes (BCT) prior to processing on cell-free DNA (cf-DNA) levels. METHODS:Blood was collected in ethylenediaminetetraacetic acid (EDTA) and BCT tubes from 10 pregnant women carrying male fetuses. One set of each tube for each subject was processed to plasma immediately (standard cf-DNA protocol), whereas the other set was shipped by air courier and then processed. DNA was extracted and total and fetal DNA concentrations were measured by TaqMan multiplexed quantitative real-time PCR. RESULTS:No significant difference was observed in total cf-DNA in plasma between immediately processed EDTA (control) and immediately processed BCT samples. Moreover, no significant change in total cf-DNA was detected in plasma of BCT samples shipped at room temperature. Significant differences in total cf-DNA leading to a significantly decreased fetal fraction were found in shipped EDTA samples and BCT samples shipped at 4°C. DISCUSSION:BCT tubes are suitable for shipping whole blood prior to processing with respect to cf-DNA levels. However, care should be taken to ensure that samples are not exposed to extreme temperatures during shipment. This finding will benefit the development and clinical application of noninvasive methods of fetal diagnosis that utilize cf-DNA.
journal_name
Fetal Diagn Therjournal_title
Fetal diagnosis and therapyauthors
Hidestrand M,Stokowski R,Song K,Oliphant A,Deavers J,Goetsch M,Simpson P,Kuhlman R,Ames M,Mitchell M,Tomita-Mitchell Adoi
10.1159/000335020subject
Has Abstractpub_date
2012-01-01 00:00:00pages
122-8issue
2eissn
1015-3837issn
1421-9964pii
000335020journal_volume
31pub_type
杂志文章abstract::Abnormalities of placental shape are occasionally seen on ultrasound. They have not been reported to be associated with abnormalities in fetal anatomy and karyotype. Here, we report on a rare case of placenta fenestrata with triploid karyotype. A 15-year-old patient presented at 21 weeks and 3 days gestation for ultra...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000080158
更新日期:2004-11-01 00:00:00
abstract:OBJECTIVE:To describe a technique for the visualization and measurement of cerebral aqueduct diameter through a 2D sagittal median plane, and to report its aspect and measurement in fetuses with aqueductal stenosis (AS). METHODS:This was a cross-sectional study of 207 morphologically normal fetuses in low-risk pregnan...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000458439
更新日期:2017-01-01 00:00:00
abstract::The situation concerning reproductive genetic testing in Switzerland is briefly described. Growing awareness of eugenic implications especially by women is reported. This is also true for all the other German-speaking countries in Europe to a higher extent than in the other European countries. Better professional educ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000263889
更新日期:1993-04-01 00:00:00
abstract::The incidence of chromosomal abnormalities in spontaneous abortions is much higher than commonly appreciated. Using postmortem chorionic villus sampling (as we have previously described), our much increased yield of results allows us to divide embryos into two groups based upon potential viability. Embryonic size at t...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000263821
更新日期:1993-05-01 00:00:00
abstract:OBJECTIVE:In this prospective study, we assessed the feasibility of foetal RHD genotyping by analysis of DNA extracted from plasma samples of Rhesus (Rh) D-negative pregnant women using real-time PCR and primers and probes targeted toward exon 7 and 10 of RHD gene. METHODS:We analysed 24 RhD-negative pregnant woman an...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000085085
更新日期:2005-07-01 00:00:00
abstract::We herein reviewed 630 malformed fetuses delivered from 24 weeks of gestation onwards in our institute over the past 22 years. These fetuses were divided into 2 groups: 210 from 1970 to 1982 (group 1) and 420 from 1983 to 1991 (group 2). Twenty-two varieties of congenital malformations were diagnosed antenatally in gr...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000263857
更新日期:1993-11-01 00:00:00
abstract::The aortic isthmus (AoI) is a unique fetal watershed with a waveform reflecting its complex haemodynamic physiology. The systolic component represents left and right ventricular systolic ejection, and the diastolic component represents comparative downstream vascular impedance between the brachiocephalic and subdiaphr...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章,评审
doi:10.1159/000446942
更新日期:2016-01-01 00:00:00
abstract::We herein report the first ultrasound evidence of the self-amputation of an extra digit in case of fetal polydactyly. The prenatal evidence of fetal polydactyly is not always followed by postnatal confirmation. This is not always due to ultrasound misdiagnosis, but often to an in utero self-amputation phenomenon. We d...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000464462
更新日期:2017-01-01 00:00:00
abstract::A human tail is a rare congenital anomaly with a prominent lesion from the lumbosacrococcygeal region. According to Dao and Netzky human tails are classified into 'true tails' and 'pseudotails'. True tails comprise only mesenchymal tissue (adipose, connective, muscle, nerve tissue, blood vessels, and cutis). They are ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000070810
更新日期:2003-07-01 00:00:00
abstract::We report a case of fetal goitrous hypothyroidism followed by neonatal transient hyperthyroidism. A fetal goiter (26 x 38 mm) was detected by ultrasound and magnetic resonance imaging at 29 weeks of gestation. Hypothyroidism was confirmed by cordocentesis, which revealed an elevated TSH (255 microIU/ml) and a low free...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000073143
更新日期:2003-11-01 00:00:00
abstract:OBJECTIVES:To evaluate the failure rate and performance of cell-free DNA (cfDNA) testing, mainly in terms of detection rates for trisomy 21, performed by 2 laboratories using different analytical methods. METHODS:cfDNA testing was performed on 2,870 pregnancies with the HarmonyTM Prenatal Test using the targeted digit...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000489124
更新日期:2019-01-01 00:00:00
abstract::Intrauterine growth restriction (IUGR) is an adverse pregnancy outcome associated with significant perinatal and pediatric morbidity and mortality, and an increased risk of chronic disease later in adult life. While a number of maternal, fetal and environmental factors are known causes of IUGR, the majority of IUGR ca...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章,评审
doi:10.1159/000339657
更新日期:2012-01-01 00:00:00
abstract:INTRODUCTION:The aim of this study was to investigate the development of midgut herniation in vivo using three-dimensional (3D) ultrasonographic volume and distance measurements and to create reference data for physiological midgut herniation in ongoing pregnancies in a tertiary hospital population. MATERIALS AND METH...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000489260
更新日期:2019-01-01 00:00:00
abstract:OBJECTIVE:To study the acute effect of epinephrine on hemodynamics of noninnervated normal and retinoic-acid-treated embryos. DESIGN:Prospective interventional study design. METHODS:A total of 190 stage 15 (50-55 h of incubation) chick embryos were randomly treated with 1 microg all-trans retinoic acid and reincubate...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000078996
更新日期:2004-09-01 00:00:00
abstract:OBJECTIVE:A diagnosis of myocardial dystrophic calcification, a rare cause of fetal cardiac masses, is presented. METHODS:The fetal echocardiography of a 26-year-old pregnant woman who was referred to the Pediatric Cardiology Department at 20 weeks' gestation revealed an echogenic mass in the post wall of the left ven...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000151341
更新日期:2008-01-01 00:00:00
abstract:AIM:To evaluate the feasibility of offline anatomic M-mode (AMM) to study fetal atrioventricular annulus long-axis displacement (LAD) and compare its performance against real-time conventional M-mode (MM). MATERIAL AND METHODS:Paired AMM and MM LAD studies were recorded prospectively in 54 fetuses, and performance was...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000330790
更新日期:2012-01-01 00:00:00
abstract:INTRODUCTION:We sought to determine the relationship between the degree of stomach herniation by antenatal sonography and neonatal outcomes in fetuses with isolated left-sided congenital diaphragmatic hernia (CDH). MATERIALS AND METHODS:We retrospectively reviewed neonatal medical records and antenatal sonography of f...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000440649
更新日期:2016-01-01 00:00:00
abstract:OBJECTIVES:We evaluated the hypothesis that in fetuses with congenital heart disease (CHD) there is a correlation between the expected pattern of in utero brain blood supply and the severity of neurodevelopmental impairment. METHODS:A total of 58 fetuses with CHD and 58 controls underwent a Doppler ultrasound and feta...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000439527
更新日期:2016-01-01 00:00:00
abstract:OBJECTIVE:To review the incidence of posthysterotomy chorioamniotic membrane separation and delivery outcome following open fetal surgery [myelomeningocele (MMC); cystic adenomatoid malformation (CCAM); congenital diaphragmatic hernia (CDH); sacrococcygeal teratoma (SCT)]. STUDY DESIGN:Retrospective review of a matern...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000071972
更新日期:2003-09-01 00:00:00
abstract:OBJECTIVE:To present an ethically justified decision-making pathway to use in the evaluation and treatment of pregnant women whose fetuses have twin-to-twin transfusion syndrome (TTTS). METHODS:The ethical principles of beneficence, autonomy and professional integrity were applied to the diagnostic and treatment optio...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000103292
更新日期:2007-01-01 00:00:00
abstract::At 28 weeks of amenorrhea, 1 fetus of a monoamniotic twin pregnancy died. Ultrasound and Doppler investigations of the surviving twin were normal. Three weeks later, endovaginal ultrasound and magnetic resonance imaging revealed massive bilateral cerebral ischemic necrosis in the surviving twin. In utero fetal blood s...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000264487
更新日期:1997-09-01 00:00:00
abstract::Although δ-globin gene mutations have no clinical implications, association of β- and δ-thalassemia may lead to misdiagnosis. We describe the case of a Chinese woman who was assumed to have an α-thalassemia heterozygote, but was later shown to have β-thalassemia with a normal amount of HbA(2) caused by the -77 mutatio...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000321046
更新日期:2011-01-01 00:00:00
abstract:OBJECTIVES:To describe the course of total and ionized magnesium and total calcium levels in maternal serum during low-risk pregnancies and to compare women who developed preterm labor and delivery with those who delivered at term. METHODS:209 women with low-risk pregnancies were enrolled in a prospective trial before...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000020952
更新日期:1999-11-01 00:00:00
abstract:OBJECTIVE:To propose new cutoffs in plasma glucose levels in screening and diagnosis of gestational diabetes mellitus (GDM) in the first trimester of pregnancy. METHODS:A 50-gram oral glucose challenge test (GCT) was performed in 1,716 singleton pregnancies at 6-14 weeks' gestation. In those with a positive GCT, a 100...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000324684
更新日期:2011-01-01 00:00:00
abstract::It has long been appreciated that the measurement of biochemical parameters for prenatal screening for neural tube defects, and later aneuploidy, is not as simple as measuring hemoglobin or hematocrit. Early in the game, it was recognized that there are gestational age curves, and that since alpha-fetoprotein (AFP), f...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章,评审
doi:10.1159/000020887
更新日期:1999-01-01 00:00:00
abstract:OBJECTIVE:To evaluate the performance of maternal risk factors (BMI and mean arterial pressure [MAP]) and first-trimester maternal serum markers in the early prediction of preeclampsia (PE) in nulliparous women. MATERIAL AND METHODS:This was a case-cohort study based on a cohort of 14,207 nulliparous women. A total of...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000503229
更新日期:2020-01-01 00:00:00
abstract::Described as a myeloproliferative disorder mainly affecting elderly women, recent reports now confirm the occurrence of essential thrombocythemia at younger ages, which questions treatment during pregnancy. We report a further case of uneventful full term pregnancy with the use of interferon-alpha for maternal essenti...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章,评审
doi:10.1159/000207555
更新日期:2009-01-01 00:00:00
abstract:OBJECTIVES:Investigate the prediction of birth acidemia in pregnancies with placental insufficiency using two newly created venous-arterial Doppler ratios: pulsatility index (PI) of the ductus venosus (DV) over PI of the middle cerebral artery (MCA) and PI of the DV over PI of the umbilical artery and establish cut-off...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000093883
更新日期:2006-01-01 00:00:00
abstract:BACKGROUND AND OBJECTIVES:Fetal pleural effusions are either primary or secondary to chromosomal or structural fetal abnormalities. In both cases, thoraco-amniotic shunts may be indicated to prevent life-threatening consequences. In this report, we describe a rare complication of shunts and successful in utero manageme...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章,评审
doi:10.1159/000450606
更新日期:2018-01-01 00:00:00
abstract:OBJECTIVES:To evaluate the changes in the approaches used for invasive prenatal diagnosis for beta-thalassemia and karyotyping at a single center from 1977 to 2004. METHODS:For beta-thalassemia, in 1977 placentacentesis, in 1982 amniocentesis, in 1983 fetoscopy and cordocentesis, in 1983 trancervical chorionic villi s...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000092464
更新日期:2006-01-01 00:00:00