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Trisomy 13

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https://www.readbyqxmd.com/read/29330546/older-mothers-and-increased-impact-of-prenatal-screening-stable-livebirth-prevalence-of-trisomy-21-in-the-netherlands-for-the-period-2000-2013
#1
Maurike D de Groot-van der Mooren, Saskia Tamminga, Dick Oepkes, Michel E Weijerman, Martina C Cornel
In the Netherlands, there is no registry system regarding the livebirth prevalence of trisomy 21 (T21). In 2007, a national screening programme was introduced for all pregnant women, which may have changed the livebirth prevalence of T21. The aim of this study is to analyse trends in factors that influence livebirth prevalence of T21 and to estimate the livebirth prevalence of T21 for the period of 2000-2013. National data sets were used on the following: (1) livebirths according to maternal age and (2) prenatal testing and termination of pregnancy (ToP) following diagnosis of T21...
January 12, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29303233/high-percentages-of-embryos-with-21-18-or-13-trisomy-are-related-to-advanced-paternal-age-in-donor-egg-cycles
#2
Javier García-Ferreyra, Roly Hilario, Julio Dueñas
OBJECTIVE: Advanced paternal age is related to poor sperm quality; however, little is known on its effect on aneuploidy embryo rates and, more importantly, on chromosomal abnormalities like trisomy 21, 18 and 13. The objective of this study was to evaluate the effect of advanced paternal age on the trisomy rates of the chromosomes 21, 18 or 13 in embryos obtained from donated oocytes. METHODS: A total of 378 embryos, obtained from 52 IVF/ICSI cycles with donated oocytes in conjunction with PGD, were allocated according to paternal age in three groups: Group A: ≤39 years (n=115 embryos), Group B: 40-49 years (n=157 embryos) and Group C: ≥50 year (n=106 embryos)...
January 5, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29285825/targeted-copy-number-screening-highlights-an-intragenic-deletion-of-wdr63-as-the-likely-cause-of-human-occipital-encephalocele-and-abnormal-cns-development-in-zebrafish
#3
Wolfgang Hofmeister, Maria Pettersson, Deniz Kurtoglu, Miriam Armenio, Jesper Eisfeldt, Nikos Papadogiannakis, Peter Gustavsson, Anna Lindstrand
Congenital malformations affecting the neural tube can present as isolated malformations or occur in association with other developmental abnormalities and syndromes. Using high resolution copy number screening in 66 fetuses with neural tube defects we identified 6 fetuses with likely pathogenic mutations, three aneuploidies (one trisomy 13 and two trisomy 18) and three deletions previously reported in NTDs (one 22q11.2 deletion and two 1p36 deletions) corresponding to 9% of the cohort. In addition, we identified five rare deletions and two duplications of uncertain significance including a rare intragenic heterozygous in-frame WDR63 deletion in a fetus with occipital encephalocele...
December 28, 2017: Human Mutation
https://www.readbyqxmd.com/read/29278735/expanding-the-fanco-rad51c-associated-phenotype-cleft-lip-and-palate-and-lobar-holoprosencephaly-two-rare-findings-in-fanconi-anemia
#4
Adeline Jacquinet, Lindsay Brown, Jessica Sawkins, Pengfei Liu, Denise Pugash, Margot I Van Allen, Millan S Patel
Fanconi anemia is a rare chromosome instability disorder with a highly variable phenotype. In the antenatal and neonatal periods, the diagnosis is usually suggested by the presence of typical congenital abnormalities such as intrauterine growth retardation, microcephaly and radial ray defects. We report a newborn female with a prenatal diagnosis of Fanconi anemia, complementation group O (FANCO). Antenatal ultrasounds identified symmetrical intrauterine growth retardation, complex heart defect as well as brain anomalies, overlapping fingers and cleft lip and palate...
December 23, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29274935/does-low-papp-a-predict-adverse-placenta-mediated-outcomes-in-a-low-risk-nulliparous-population-the-great-obstetrical-syndromes-gos-study
#5
Amélie Boutin, Cédric Gasse, Suzanne Demers, Geneviève Blanchet, Yves Giguère, Emmanuel Bujold
OBJECTIVE: First-trimester low concentration of pregnancy-associated plasma protein A (PAPP-A) has been associated with adverse perinatal outcomes in high-risk populations. This study aimed to estimate the ability of PAPP-A to identify adverse outcomes in a low-risk population. METHODS: The study investigators recruited nulliparous women with singleton pregnancy at their 11-13-week ultrasound scan. Serum samples were collected, and maternal PAPP-A concentration was measured using the B ⋅ R ⋅ A ⋅ H ⋅ M ⋅ S PAPP-A KRYPTOR (ThermoFisher Scientific, Hennigsdorf, Germany) automated assay...
December 21, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29249015/cost-effectiveness-of-cell-free-dna-in-maternal-blood-testing-for-prenatal-detection-of-trisomy-21-18-and-13-a-systematic-review
#6
Lidia García-Pérez, Renata Linertová, Margarita Álvarez-de-la-Rosa, Juan Carlos Bayón, Iñaki Imaz-Iglesia, Jorge Ferrer-Rodríguez, Pedro Serrano-Aguilar
The aim of this paper was to conduct a systematic review of the cost-effectiveness of the analysis of cell-free DNA in maternal blood, often called the non-invasive prenatal test (NIPT), in the prenatal screening of trisomy in chromosomes 21, 18 and 13. MEDLINE, MEDLINE in process, EMBASE, and Cochrane Library were searched in April 2017. We selected: (1) economic evaluations that estimated the costs and detected cases of trisomy 21, 18 or 13; (2) comparisons of prenatal screening with NIPT (universal or contingent strategies) and the usual screening without NIPT, (3) in pregnant women with any risk of foetal anomalies...
December 16, 2017: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/29247566/application-of-the-bacs-on-beadstm-assay-for-rapid-prenatal-detection-of-aneuploidies-and-microdeletions
#7
Hailong Huang, Min Zhang, Yan Wang, Na Lin, Deqin He, Meihuan Chen, Lingji Chen, Yuan Lin, Liangpu Xu
Prenatal diagnosis focuses on the detection of anatomic and physiologic problems with a foetus before birth. Karyotyping is currently considered the gold standard for prenatal diagnosis of chromosomal abnormalities, but this method can be time consuming. This study evaluated the diagnostic accuracy of the BACs-on-BeadsTM (BoBsTM ) assay for the rapid diagnosis of aneuploidies and microdeletions. A total of 625 samples from pregnant women in Fujian province, in southeastern China - including 3 chorionic villus biopsies, 523 amniotic fluid samples, and 99 umbilical-cord centesis samples - were assessed for chromosomal abnormalities by karyotyping and by the BoBsTM assay...
December 16, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29246465/resource-use-and-morbidities-in-pediatric-cardiac-surgery-patients-with-genetic-conditions
#8
Jamie Furlong-Dillard, David Bailly, Venugopal Amula, Jacob Wilkes, Susan Bratton
OBJECTIVE: To evaluate and describe resource use and perioperative morbidities among those patients with genetic conditions undergoing cardiac surgery. STUDY DESIGN: Using the Pediatric Health Information System database, we identified patients ≤18 years old with cardiac surgery classified by Risk Adjustment for Congenital Heart Surgery (RACHS) during 2003-2014. A total of 95 253 patients met study criteria and included no genetic conditions (84.6%), trisomy 21 (9...
December 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29241931/prenatal-diagnosis-of-low-level-mosaicism-for-trisomy-13-at-amniocentesis-associated-with-a-favorable-outcome
#9
Chih-Ping Chen, Schu-Rern Chern, Peih-Shan Wu, Shin-Wen Chen, Shih-Ting Lai, Tzu-Yun Chuang, Chien-Wen Yang, Chen-Chi Lee, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis of low-level mosaicism for trisomy 13 at amniocentesis associated with a favorable outcome. CASE REPORT: A 35-year-old woman underwent amniocentesis at 18 weeks of gestation because of advanced maternal age. Amniocentesis revealed a karyotype of 47,XY,+13[5]/46,XY[20]. Oligonucleotide array comparative genomic hybridization (aCGH) analysis on uncultured amniocytes revealed arr [GRCh37] (13)×3 [0.10], (X,Y)×1 compatible with trisomy 13 mosaicism...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29241910/prenatal-diagnosis-of-down-syndrome-a-13-year-retrospective-study
#10
Ana Vičić, Tomislav Hafner, Ivanka Bekavac Vlatković, Petra Korać, Dubravko Habek, Feodora Stipoljev
OBJECTIVE: The aim of this study is to summarize the experience on prenatal diagnosis of Down syndrome. MATERIALS AND METHODS: The study includes a retrospective data analysis of 157 prenatally detected cases of Down syndrome, routinely diagnosed among 6448 prenatal investigations performed during a 13-year period (2002-2014) in a single tertiary center. RESULTS: The prevalence of diagnosed Down syndrome cases was 2.4%. Maternal age alone was indication for prenatal diagnosis in 47 cases (45...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29232625/prenatal-detection-of-trisomy-8-mosaicism-pregnancy-outcome-and-follow-up-of-a-series-of-17-consecutive-cases
#11
Matteo Cassina, Annapaola Calò, Leonardo Salviati, Alberta Alghisi, Annamaria Montaldi, Maurizio Clementi
OBJECTIVE: To study the outcome of a series of individuals with prenatal detection of trisomy 8 mosaicism by chorionic villus sampling (CVS) and/or amniocentesis. STUDY DESIGN: The databases of two Italian genetics units were reviewed to identify all consultations requested during pregnancy because of trisomy 8 mosaicism. To evaluate the pregnancy outcome, the regional registry of congenital malformations (including terminations of pregnancies) was consulted; additional follow-up data were collected by a telephone interview...
December 7, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29226717/atypical-chronic-myeloid-leukemia-a-rare-entity-with-management-challenges
#12
Prajwal Dhakal, Krishna Gundabolu, Catalina Amador, Supratik Rayamajhi, Vijaya Raj Bhatt
The aim of our study was to review the clinicopathologic features and management of atypical chronic myeloid leukemia (aCML). Relevant manuscripts published in English were searched using PubMed. aCML is diagnosed as per WHO 2016 classification in the presence of leukocytosis ≥13 × 109/l with circulating neutrophil precursors ≥10%, monocytes less than 10%, minimal basophils, hypercellular bone marrow with granulocytic proliferation and dysplasia, bone marrow blast less than 20% and absence of BCR/ABL fusion gene...
December 11, 2017: Future Oncology
https://www.readbyqxmd.com/read/29220612/coexistence-of-trisomy-13-and-sry-xx-ovotesticular-disorder-of-sex-development
#13
Gizem Ürel Demir, Özlem Akgün Doğan, Pelin Özlem Şimşek Kiper, Gülen Eda Utine, Koray Boduroğlu, Safak Gucer, Mehmet Alikaşifoğlu
INTRODUCTION: Ovotesticular disorder of sex development (OT-DSD) is a rare disorder of sexual differentiation characterized by the presence of both testicular and ovarian tissue in an individual and the majority of cases have been reported with 46,XX karyotype. In 46,XX cases, testicular differentiation may occur due to the translocation of SRY to the X chromosome or to an autosome. CASE REPORT: Herein, we present a female newborn with a combination of trisomy 13 and SRY (-) XX OT-DSD...
December 8, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/29181862/perforation-and-right-ventricular-outflow-tract-stenting-alternative-palliation-for-infants-with-pulmonary-atresia-ventricular-septal-defect
#14
David Aurigemma, John W Moore, Gabrielle Vaughn, Nasser Moiduddin, Howaida G El-Said
BACKGROUND: Right ventricular outflow tract (RVOT) stents have been used as palliation in patients with severe tetralogy of Fallot (TOF). Radiofrequency perforation of the RVOT has also been described in patients with pulmonary atresia (PA)/ventricular septal defect (VSD). However, RVOT stenting in conjunction with radiofrequency perforation as a means for establishing reliable pulmonary blood flow in patients with PA/VSD has not previously been reported. OBJECTIVES: Our aim is to report our experience with using perforation of plate-like pulmonary valve atresia combined with stenting of RVOT as an alternative and equally efficacious intervention for infants with PA/VSD, as compared to a surgical pulmonary artery shunt (SPS)...
November 27, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/29179272/-analysis-of-non-invasive-prenatal-screening-detection-in-fetal-chromosome-aneuploidy
#15
A J Cai, C F Zhu, S W Xue, S Y Cui, S Z Qu, N Liu, X D Kong
Objective: To evaluate the efficacy of non-invasive prenatal screening (NIPS) in the detection of fetal aneuploidies. Methods: Cell free DNA was sequenced in 5 566 pregnant women to identify the fetal aneuploidies in the First Affiliated Hospital of Zhengzhou University from January 1(st), 2015 to March 15(th), 2016. Among them, 5 230 (93.96%, 5 230/5 566) were singleton pregnancies and 336 (6.04%, 336/5 566) were twin pregnancies. In singleton pregnancies, 1 809 (34.59%, 1 809/5 230) were women with advanced maternal age, and 3 421 (65...
November 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29159970/parental-education-accounts-for-variability-in-the-iqs-of-probands-with-down-syndrome-a-longitudinal-study
#16
David W Evans, Mirko Uljarević
Recent work has demonstrated that variability in probands' phenotypes, including physical features, cognitive abilities, social functioning, and other developmental domains, is influenced by parental traits. Here we examine the role of parental education as a factor contributing to the variability of intelligence quotient (IQ) of offspring with trisomy 21. Participants were 43 probands with trisomy 21, aged 4-21 years of age, and their parents. Data were collected on parental education, and a bi-parental mean education score (BMES) was calculated...
November 21, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29154001/tri-allelic-patterns-of-strs-and-partially-homologous-non-sister-chromatid-crossover-observed-in-a-parentage-test
#17
Huiyong Jiao, He Ren, Yaran Yang, Bin Ni, Haiyan Zhou, Wei Chen, Yunwang Cao, Chuguang Chen, Yanmei Huang, Jiangwei Yan
A maternity testing case is reported, in which the child showed tri-allelic patterns in two short tandem repeat (STR) loci. The genotypes of Penta D of the mother and the child were 9,13 and 9,10,13, respectively. Those of D21S11 were 32.2,35 and 29,35, respectively, but intensity ratio of alleles 29 and 35 of the child was 1:2. These results suggested the copy number variations (CNVs) or trisomy of chromosome 21. By further examination using STR-based chromosome aneuploidy detection kit, three alleles were detected in D21S1411, LFG21 and Penta D, and 2 alleles with intensity ratio of 1:2 were observed in D21S2502, D21S1435, D21S11 and D21S1246...
October 28, 2017: Legal Medicine
https://www.readbyqxmd.com/read/29130666/-application-of-chromosomal-microarray-analysis-for-chromosomal-abnormalities-of-spontaneously-aborted-fetuses
#18
Ting Hu, Hong-Mei Zhu, Zhu Zhang, Jia-Min Wang, Hai-Xia Zhang, Ze Du, Ling-Pingi Li, He Wang, Shan-Ling Liu
OBJECTIVE: To evaluate the clinical significance of chromosomal microarry analysis (CMA) for detection of chromosomal abnormalities in spontaneously aborted fetuses. METHODS: Chorionic villi samples from 431 spontaneously aborted fetuses were detected on the chromosomal abnormalities by CMA in our department form September 2014 to April 2016. RESULTS: The overall success rate of CMA was 100%,and 283 cases were detected with abnormalities (65...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29125674/women-s-preference-for-non-invasive-prenatal-dna-testing-nipt-versus-chromosomal-microarray-after-screening-for-down-syndrome-a-prospective-study
#19
Yvonne Kwun Yue Cheng, Wing Cheong Leung, Tak Yeung Leung, Kwong Wai Choy, Rossa Wai Kwun Chiu, Tsz-Kin Lo, Ka Yin Kwok, Daljit Singh Sahota
OBJECTIVE: To examine preference for follow-up test in women screened high or intermediate risk in 1(st) or 2(nd) trimester Down syndrome screening. DESIGN: Prospective cohort study. SETTING: Three public hospitals in Hong Kong, China. SAMPLE: Women with term high risk ≥ 1:250 (HR) or intermediate risk 1:251-1:1200 (IR). METHODS: Women screened high risk were asked to decide among 1) an invasive test plus chromosomal microarray (CMA) to obtain more detailed fetal genetic information, 2) a non-invasive cell free prenatal DNA screening (NIPT) to detect trisomies 13, 18 and 21 to avoid procedure related miscarriage, and 3) decline further testing...
November 10, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29125628/genomics-based-non-invasive-prenatal-testing-for-detection-of-fetal-chromosomal-aneuploidy-in-pregnant-women
#20
REVIEW
Mylène Badeau, Carmen Lindsay, Jonatan Blais, Leon Nshimyumukiza, Yemisi Takwoingi, Sylvie Langlois, France Légaré, Yves Giguère, Alexis F Turgeon, William Witteman, François Rousseau
BACKGROUND: Common fetal aneuploidies include Down syndrome (trisomy 21 or T21), Edward syndrome (trisomy 18 or T18), Patau syndrome (trisomy 13 or T13), Turner syndrome (45,X), Klinefelter syndrome (47,XXY), Triple X syndrome (47,XXX) and 47,XYY syndrome (47,XYY). Prenatal screening for fetal aneuploidies is standard care in many countries, but current biochemical and ultrasound tests have high false negative and false positive rates. The discovery of fetal circulating cell-free DNA (ccfDNA) in maternal blood offers the potential for genomics-based non-invasive prenatal testing (gNIPT) as a more accurate screening method...
November 10, 2017: Cochrane Database of Systematic Reviews
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