Abstract:
OBJECTIVES:To compare the frequency of abnormal genetic diagnoses spanning a period before and after the availability of chromosomal microarray analysis (CMA). We hypothesised that microarray would provide additional clinically relevant information in cases of isolated hypoplastic nasal bone. METHOD:Fetuses with ultrasound-detected hypoplastic nasal bone (absent or <2.5th percentile in length) between 16 and 37 weeks' gestation over a 10-year period were analysed retrospectively. RESULTS:A total of 118 cases of hypoplastic nasal bone met the inclusion criteria. A pathogenic or potentially pathogenic karyotype was detected more frequently in the era where CMA was available (31/60, 52% vs 19/58, 33%). Of these, 25 cases (42%) had common aneuploidies, and six cases (10%) had clinically relevant copy number variants (CNVs). A clinically relevant CNV was detected in two fetuses that presented with isolated hypoplastic nasal bone on initial ultrasound. CONCLUSION:In addition to its known association with trisomy 21, a hypoplastic nasal bone may be an objective marker of facial dysmorphism associated with clinically relevant CNVs. Our results support consideration of invasive testing with microarray for pregnancies in which a hypoplastic nasal bone has been diagnosed on ultrasound irrespective of a low-risk screening result for common chromosomal abnormalities.
journal_name
Prenat Diagnjournal_title
Prenatal diagnosisauthors
Gu YZ,Nisbet DL,Reidy KL,Palma-Dias Rdoi
10.1002/pd.5410subject
Has Abstractpub_date
2019-01-01 00:00:00pages
116-123issue
2eissn
0197-3851issn
1097-0223journal_volume
39pub_type
杂志文章abstract:OBJECTIVE:The primary objective of our study was to evaluate the long-term neurodevelopment outcome after laser surgery for twin-twin transfusion syndrome (TTTS). The secondary objective was to identify perinatal prognostic factors associated with neurodevelopmental impairment. METHOD:This was a single-center cohort p...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4950
更新日期:2016-12-01 00:00:00
abstract:OBJECTIVE:To reevaluate the efficiency of the 12 differentially methylated regions (DMRs) used in the methylated DNA immunoprecipitation (MeDIP) real-time quantitative polymerase chain reaction (real-time qPCR) based approach, develop an improved version of the diagnostic formula and perform a larger validation study. ...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.3947
更新日期:2012-10-01 00:00:00
abstract:OBJECTIVES:To explore the effect of maternal rhesus status on first-trimester screening markers for Down syndrome. METHODS:We accessed a database of singleton pregnancies undergoing first-trimester genetic screen with maternal Rh status documented and pregnancy outcome information available. Excluded were cases of fet...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970
更新日期:2008-05-01 00:00:00
abstract:OBJECTIVES:To assess the effect of altering image size on the absolute nuchal translucency (NT) measurement. METHODS:NT was measured at three image magnifications (60%, 100% and 200%) in 120 singleton pregnancies. RESULTS:The mean +/- SD NT measurements were 1.52 +/- 0.57 mm, 1.35 +/- 0.53 mm and 1.18 +/- 0.48 mm at ...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.577
更新日期:2003-04-01 00:00:00
abstract::Fetal severe central nervous system ventriculomegaly is associated with poor neurologic outcomes, usually driven by a primary malformation, deformation, or disruption of brain parenchyma. In utero shunting of excess cerebrospinal fluid (CSF) in hopes of improving neurologic outcomes was attempted in the 1980s but was ...
journal_title:Prenatal diagnosis
pub_type: 杂志文章,评审
doi:10.1002/pd.5527
更新日期:2020-01-01 00:00:00
abstract:OBJECTIVE:Outcomes from in vitro fertilization (IVF)/intrauterine insemination (ICSI) cycles for patients who underwent preimplantation genetic testing for monogenic/single gene (PGT-M) and structural chromosome rearrangements (PGT-SR) patients were reviewed. Patients pursuing PGT-M and PGT-SR often do not have pre-exi...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.5496
更新日期:2019-09-01 00:00:00
abstract::The pregnancy outcome of 1936 women who had transcervical chorionic villus sampling (CVS) with a flexible biopsy forceps was evaluated. Follow-up until 4 weeks after delivery was 99.4 per cent. Various patient- and procedure-related risk factors for spontaneous loss (fetal or neonatal death) were analysed using stepwi...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970150904
更新日期:1995-09-01 00:00:00
abstract::Osteogenesis imperfecta (OI) Type II was diagnosed accurately in an at-risk fetus at 16 weeks gestation by real-time sonography. The most important findings were shortening, deformity and possibly fracture in the long bones particularly the femurs. Ultrasonic visualization of these signs in a fetus at risk will provid...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970040314
更新日期:1984-05-01 00:00:00
abstract:OBJECTIVE:This study aims to evaluate the prevalence of congenital heart disease (CHD) in monochorionic (MC) twin pregnancies with and without twin-to-twin transfusion syndrome (TTTS) in an unselected cohort, which underwent prenatal and postnatal echocardiography. METHOD:This was a retrospective cohort study includin...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4411
更新日期:2014-10-01 00:00:00
abstract::To assess the influence of in vitro fertilization (IVF) on maternal serum human chorionic gonadotrophin (hCG) and alpha-fetoprotein (AFP), the maternal serum hCG and AFP values were studied in 67 IVF pregnancies and compared with the results of a control group of 4732 spontaneously conceiving patients. Maternal serum ...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0223(199601)16:1<35::AID-PD805>
更新日期:1996-01-01 00:00:00
abstract::Both human epidemiologic and animal model studies demonstrate that prenatal and lactational exposure to maternal obesity and high-fat diet are associated with adverse neurodevelopmental outcomes in offspring. Neurodevelopmental outcomes described in offspring of obese women include cognitive impairment, autism spectru...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.5724
更新日期:2020-08-01 00:00:00
abstract::Human chorionic gonadotrophin (hCG) levels were assayed retrospectively in stored maternal serum samples from 78 chromosomally abnormal pregnancies and 410 controls matched for gestation and maternal age. The median serum hCG concentration in 49 pregnancies with Down's syndrome was significantly elevated, at 2.18 mult...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970110204
更新日期:1991-02-01 00:00:00
abstract::Preimplantation genetic diagnosis (PGD) involves the screening of biopsied cells from in vitro fertilization (IVF) generated embryos. This procedure allows the selective transfer of unaffected embryos and thus may be preferable to prenatal diagnosis for couples at high risk of transmitting genetic defects to their off...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/1097-0223(200007)20:7<593::aid-pd876>3.0.c
更新日期:2000-07-01 00:00:00
abstract::Intrauterine fetal demise (IUFD) in one of twins at 12 weeks of gestation was accompanied by markedly elevated maternal serum alpha-fetoprotein (AFP) at 17 and 18 weeks. Amniotic fluid AFP from the healthy surviving twin's sac at 18.5 and 23 weeks was also greatly increased along with a positive acetylcholinesterase (...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970060105
更新日期:1986-01-01 00:00:00
abstract::We report cytogenetic results from a randomized Danish chorionic villus sampling (CVS) and amniocentesis (AC) study including 2928 placental and 1075 amniotic fluid specimens processed in the same laboratory. The results are presented in groups comparing CVS with amniocentesis and transabdominal (TA) CVS with transcer...
journal_title:Prenatal diagnosis
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1002/pd.1970130807
更新日期:1993-08-01 00:00:00
abstract:OBJECTIVE:The aim of the study was to analyze the risk of adverse pregnancy outcome in three subgroups with extremely low maternal pregnancy-associated plasma protein-A (PAPP-A), that is, <0.3 multiples of median (MoM) at the first trimester screening. METHOD:A cohort of 961 pregnancies with PAPP-A levels < 0.3 MoM at...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4946
更新日期:2016-12-01 00:00:00
abstract::A reliable cost-effective protocol for the diagnosis of various defective genes in single blastomeres from preimplantation embryos has been established. Single cells were lysed in alkali buffer followed by neutralization and addition of a solution containing a high concentration of sulfhydryl reducing agents and MgCl(...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/1097-0223(200012)20:12<979::aid-pd966>3.0.
更新日期:2000-12-01 00:00:00
abstract::During one year, five second trimester fetuses with cystic hygromata and varying degrees of oedema presented to the authors from hospitals in the West of Scotland. Two fetuses had 45X karyotypes, one each had 47XY + 21 and 47XX + 18 karyotypes, and the fifth had a normal 46XY karyotype. Fetal oedema detectable by ultr...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970040509
更新日期:1984-09-01 00:00:00
abstract:OBJECTIVES:The purpose of this study was to compare prenatal versus postnatal markers of congenital diaphragmatic hernia (CDH) severity at a single fetal-care center. METHODS:A retrospective study was performed of patients having a complete prenatal evaluation and surgical repair (n = 55). Observed-to-expected lung-to...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4721
更新日期:2016-02-01 00:00:00
abstract::In a study of 70 cases of trisomy 18 and 450 matched controls in the second trimester we have measured the maternal serum levels of the analytes alpha feto protein (AFP), free beta-human chorionic gonadotrophin (hCG) and pregnancy associated plasma protein-A (PAPP-A). We have found the median multiple of the median (M...
journal_title:Prenatal diagnosis
pub_type: 杂志文章,多中心研究
doi:
更新日期:1999-12-01 00:00:00
abstract::We report one case of de novo complex chromosomal rearrangement (CCR) t(2q;3p;4q;13q) with at least five chromosomal breakpoints. This CCR was detected prenatally at 22 weeks of gestation, when mild echographic indications were disclosed during a routine examination in a female with no family history of congenital abn...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0223(199611)16:11<1046::AID-PD9
更新日期:1996-11-01 00:00:00
abstract:OBJECTIVE:This study introduces a novel method, referred to as SeqFF, for estimating the fetal DNA fraction in the plasma of pregnant women and to infer the underlying mechanism that allows for such statistical modeling. METHODS:Autosomal regional read counts from whole-genome massively parallel single-end sequencing ...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4615
更新日期:2015-08-01 00:00:00
abstract:OBJECTIVE:To explore the genetic aetiology of fetal posterior fossa abnormalities (PFAs). METHODS:This study involved cases of PFAs that were identified by prenatal ultrasonographic screening and confirmed postnatally between January 2012 and January 2016. Conventional cytogenetic analyses and chromosomal microarray a...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.5159
更新日期:2017-11-01 00:00:00
abstract::Fetal pleural effusion, a nonspecific accumulation of fluid in the pleural space, is an uncommon anomaly which can be associated with aneuploidy and a range of other structural malformations or genetic syndromes. Spontaneous resolution is not rare and confers a good prognosis. Perinatal outcome is better for those fet...
journal_title:Prenatal diagnosis
pub_type: 杂志文章,评审
doi:10.1002/pd.1768
更新日期:2007-09-01 00:00:00
abstract::Pallister-Killian syndrome (tetrasomy 12p) is an uncommon aneuploidy, which may present in the prenatal period with an ultrasonographically detected fetal abnormality or following karyotyping for maternal age. We report a case that presented with increased nuchal translucency and hydrops at a first trimester screening...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/1097-0223(200008)20:8<670::aid-pd885>3.0.c
更新日期:2000-08-01 00:00:00
abstract::Six cases are reported with discrepancies between the karyotypes of placental cells and cells from other fetal tissue. The respective findings were: 48, + 7, + 18 resp. 47, + 18. 46,i(18q) resp. 46,del18(p11). 46,XX resp. 46,XX/47,XXX. 46,X,Yq+ and 46,XY resp. 46,XY. 46/47, + 12 resp. 46. 46/47, + 5 resp. 46. These di...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970070508
更新日期:1987-06-01 00:00:00
abstract::Based on the presence of immature cells in fetal blood, and in an attempt to shorten the cytogenetic reporting time, three simultaneous one-day culture regimes were established in 23 fetal blood samples: (a) the standard phytohemagglutinin (PHA)-stimulated lymphocytes culture, (b) a culture using the granulocyte-macro...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:
更新日期:1999-01-01 00:00:00
abstract::Growth of cells from amniotic fluid was studied with respect to cell concentration in the inoculum, blood contamination of the fluid, fluid colour, fluid clarity, gestational age of the pregnancy, and growth factors. Dependent variables measured were colony formation, colony size, and colony morphology after 7, 11, an...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970030206
更新日期:1983-04-01 00:00:00
abstract:OBJECTIVE:The objective of this study was to evaluate the accuracy of fetal diffusion-weighted magnetic resonance imaging with apparent diffusion coefficient (ADC) determination to predict postnatal renal function (nadir creatinine at 1 year and eGFR) of men with posterior urethral valves (PUV). METHODS:Between 2003 a...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.5063
更新日期:2017-07-01 00:00:00
abstract:OBJECTIVE:The objective of this study is to combine multiplex ligation-dependent probe amplification (MLPA) and bisulfite sequencing to determine DNA methylation markers for noninvasive prenatal diagnosis of Down syndrome. METHODS:DNA methylation ratios (MR) of four fragments (CGI149, CGI045, HLCS-1, and HLCS-2) on ch...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4256
更新日期:2014-01-01 00:00:00