Abstract:
OBJECTIVE:We wanted to obtain statistically relevant data about the efficiency of our method for the isolation of fetal nucleated red blood cells (NRBCs) from the maternal circulation. METHODS:More than 600 samples were investigated using a triple density gradient followed by magnetic separation of anti-CD71-labeled cells, and yields and purities of recovered NRBCs were determined. RESULTS:The enrichment effectivity as well as the morphological condition of cells was reproducibly good, if blood samples were enriched within 48 h after sampling. The efficacy was independent of various methodological parameters and our technique was superior to other magnetic cell-sorting techniques. Mean yields and purities of NRBCs increased with increasing gestational age, ranging from 100 to 1,000 cells per 40-ml blood sample and from 0.1 to 1%, respectively, from the 6th week of gestation to term. In pregnancies with preeclampsia NRBCs were increased by a factor of 10. CONCLUSION:Our enrichment technique proved to be optimized with respect to various methodological parameters, which were compared in the present study, and it is efficient and reproducible for the enrichment of NRBCs from the maternal circulation in all three gestational trimesters.
journal_name
Fetal Diagn Therjournal_title
Fetal diagnosis and therapyauthors
Gänshirt D,Smeets FW,Dohr A,Walde C,Steen I,Lapucci C,Falcinelli C,Sant R,Velasco M,Garritsen HS,Holzgreve Wdoi
10.1159/000020854subject
Has Abstractpub_date
1998-09-01 00:00:00pages
276-86issue
5eissn
1015-3837issn
1421-9964pii
fdt13276journal_volume
13pub_type
杂志文章abstract::Fetal growth restriction with oligohydramnios occurring in the preterm gestation is associated with significant fetal morbidity and mortality. We investigated the possibility that transabdominal amnioinfusion might relieve acute cord compression and allow prolongation of gestation long enough to administer corticoster...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000264266
更新日期:1995-11-01 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 assess whether subpubic arch angle (SPA) measurement before labor onset can predict labor outcome among low-risk pregnant women. METHODS:3D ultrasound volume was transperineally acquired from a series of nulliparous women with uncomplicated pregnancy at term before the onset of labor. SPA was measured off...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000441517
更新日期:2016-01-01 00:00:00
abstract:BACKGROUND:There is no precise prenatal indicator to refine an accurate prognosis in case of sacral agenesis and to define the diagnostic approach and outcome criteria in case of fetal sacral agenesis using 3 characteristics of the conus medullaris (CM): its position, its appearance, and associated spinal abnormalities...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000451080
更新日期:2017-01-01 00:00:00
abstract:OBJECTIVE:We describe a technique to maintain amniotic fluid in fetuses with severe oligo-/anhydramnios secondary to lower urinary tract obstruction or fetal renal disease when urine production is inadequate to maintain a normal amniotic fluid volume (AFV). METHODS:An amnioport was inserted into the amniotic space. Th...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000445946
更新日期:2017-01-01 00:00:00
abstract:OBJECTIVE:To determine the safety and efficacy of ventriculoamniotic shunt placement through a hysterotomy in the second trimester of pregnancy as treatment for isolated obstructive hydrocephalus. METHODS:Between 1999 and 2003, four pregnancies with isolated fetal obstructive hydrocephalus in the second trimester were...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000095668
更新日期:2006-01-01 00:00:00
abstract::We present here a case of transient anhydramnios due to premature rupture of the membranes observed from 19 weeks' gestation. At 27 weeks' gestation, the amniotic fluid had increased due to spontaneous membrane sealing. At 32 weeks' gestation, premature rupture of the membranes occurred again. A male fetus was deliver...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000151673
更新日期:2008-01-01 00:00:00
abstract:OBJECTIVE:This systematic review evaluated the existence of risk factors for the fetal manifestation of long QT syndrome (LQTS). METHODS:Prenatal cardiac findings suggestive of fetal LQTS were studied using 30 English literature reports extracted from the Pubmed database (1979 to December 2011) using the search terms ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章,评审
doi:10.1159/000339150
更新日期:2013-01-01 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:INTRODUCTION:Fetal surgery for myelomeningocele (MMC) results in better outcomes compared to postnatal treatment. However, risks are present. We describe our experience with intraoperative fetal echocardiography during repair of MMC and report on the management of serious cardiovascular events. MATERIAL AND METHODS:Th...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000364863
更新日期:2015-01-01 00:00:00
abstract:OBJECTIVE:To analyze the evolution of the management of delivery and neonatal care in a population of children with correctable malformations born in Parisian maternity hospitals during the period 1985-1994. METHODS:Data were collected by the Paris Registry of Congenital Anomalies from 400,000 births recorded in Paris...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000264471
更新日期:1997-07-01 00:00:00
abstract:OBJECTIVES:The aim of the study was to investigate the levels of anxiety and depression, as well as liability to depression, of women undergoing chorionic villus sampling (CVS) due to the risk of giving birth to a child suffering from hemoglobinopathy, or trisomy. METHODS:The study population consisted of 309 women wh...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000075140
更新日期:2004-03-01 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 evaluate the relationship between maternal serum levels of human placental growth hormone (hPGH) and fetal Down syndrome at gestational midtrimester. METHODS:We retrospectively analyzed samples of serum from 21 women with Down syndrome pregnancies detected at gestational midtrimester. The samples were obt...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000116743
更新日期:2008-01-01 00:00:00
abstract:OBJECTIVE:The objective of this study was to determine the potential of human embryonic stem (hES) cells to provide an in vitro model of human extraembryonic endoderm development. METHODS:The hES cell line HES-2 was propagated in Dulbecco's modification of Eagle's medium (DMEM) in the presence of 20% fetal calf serum ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000076701
更新日期:2004-05-01 00:00:00
abstract::The authors performed a color Doppler ultrasound examination of both renal and interlobar arteries of 15 pregnant women affected by pregnancy-induced hypertension. The pulsatility index (PI), the resistance index (RI) and the systolic/diastolic ratio (S/D) values were compared with those of 15 healthy pregnant women o...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000264292
更新日期:1996-03-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to assess the reproducibility of both a new contrast-enhancing technique (Oblique View eXtended Imaging, OVIX; Samsung) and the recently reported 3-D multiplanar technique (MPT) in the measurement of the subpubic angle (SPA) among a group of women at term gestation. In addition, we ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000380947
更新日期:2015-01-01 00:00:00
abstract:INTRODUCTION:The purpose of this study was to obtain precise knowledge of fetal biometric measurements, in particular crown-rump length (CRL). Our results have been carefully compared to equations found in the literature. MATERIALS AND METHODS:Single-operator measurements of 2,123 spontaneous pregnancies from a genera...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000339272
更新日期:2012-01-01 00:00:00
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::A consanguineous couple had 3 pregnancies in which prenatally diagnosed hydrocephalus was observed (in 1 female and 2 male fetuses). This case appears to represent an autosomal recessive form of hydrocephalus, given the consanguinity, affected sibs of both genders, and no evidence for intrauterine infection, chromosom...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000020920
更新日期:1999-07-01 00:00:00
abstract:OBJECTIVES:To evaluate the prognosis of monochorionic twins with selective intrauterine growth restriction (sIUGR), classified according to the type of umbilical artery Doppler, under expectant management. METHODS:The outcome of 81 cases with isolated sIUGR was evaluated according to a classification based on umbilica...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000253880
更新日期:2009-01-01 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::Microbial invasion and growth in amniotic fluid play an important role in infectious perinatal morbidity and mortality. In order to determine the influence of amniocentesis (ACT) on intra-amniotic infection development, we performed a study of 239 complete microbiological examinations of amniotic fluid specimens obtai...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000263904
更新日期:1994-01-01 00:00:00
abstract:OBJECTIVE:To evaluate the clinical and economic impact of adopting noninvasive prenatal testing (NIPT) using circulating cell-free DNA as a first-line screening method for trisomy 21, 18, and 13 in the general pregnancy population. METHODS:A decision-analytical model was developed to assess the impact of adopting NIPT...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000491750
更新日期:2019-01-01 00:00:00
abstract:OBJECTIVE:The management of a case of severe twin-to-twin transfusion syndrome at 24 weeks of gestation is presented, using a combined surgical and medical approach. METHODS:Operative fetoscopy was used to coagulate placental vessels crossing the intertwin membranes. Repeated intrauterine transfusions were used to cor...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000020809
更新日期:1998-03-01 00:00:00
abstract:OBJECTIVE:To report the incidence of fetal and maternal complications after selective fetoscopic laser surgery for twin-to-twin transfusion syndrome (TTTS). METHODS:A total of 150 cases of TTTS were treated from January 2004 to June 2009 (period 1, 2004-2006, 62 cases; period 2, 2007 to June 2009, 88 cases). Fetal com...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000336227
更新日期:2012-01-01 00:00:00
abstract:BACKGROUND/AIMS:Aortic distension waveforms describe the change in diameter or cross-sectional area over the cardiac cycle. We aimed to validate the association of aortic fractional area change (AFAC) with blood pressure (BP) in a fetal lamb model. METHODS:Four pregnant ewes underwent open fetal surgery under general ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000477396
更新日期:2018-01-01 00:00:00
abstract::Two cases of bilateral congenital diaphragmatic hernia (CDH) followed by fetal ultrasonography were described. Although many cases of CDH are diagnosed by fetal ultrasonography, it is difficult to diagnose bilateral CDH in utero, which is a relatively rare and fatal condition. Two fetuses were diagnosed as having left...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000053921
更新日期:2001-07-01 00:00:00
abstract:OBJECTIVES:The aims of this study were to gain some insight with regard to the safety of the coelocentesis procedure and, to determine pH, pCO2, and base excess status of the extracoelomic fluid 40 days after fertilization. METHODS:Twenty-eight timed-mated baboons from the breeding colony of the Biological Resource La...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000020850
更新日期:1998-07-01 00:00:00
abstract:OBJECTIVE:To determine whether any common maternal-fetal variable has prenatal predictive value of prosthetic repair in congenital diaphragmatic hernia. METHODS:This was a 5-year single-center retrospective review of fetal congenital diaphragmatic hernia referrals. Multiple prenatal variables were correlated with the ...
journal_title:Fetal diagnosis and therapy
pub_type: 杂志文章
doi:10.1159/000123611
更新日期:2008-01-01 00:00:00