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Trisomy 13

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https://www.readbyqxmd.com/read/29159970/parental-education-accounts-for-variability-in-the-iqs-of-probands-with-down-syndrome-a-longitudinal-study
#1
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
#2
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
#3
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
#4
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
#5
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
https://www.readbyqxmd.com/read/29121006/origin-and-clinical-relevance-of-chromosomal-aberrations-other-than-the-common-trisomies-detected-by-genome-wide-nips-results-of-the-trident-study
#6
Diane Van Opstal, Merel C van Maarle, Klaske Lichtenbelt, Marjan M Weiss, Heleen Schuring-Blom, Shama L Bhola, Mariette J V Hoffer, Karin Huijsdens-van Amsterdam, Merryn V Macville, Angelique J A Kooper, Brigitte H W Faas, Lutgarde Govaerts, Gita M Tan-Sindhunata, Nicolette den Hollander, Ilse Feenstra, Robert-Jan H Galjaard, Dick Oepkes, Stijn Ghesquiere, Rutger W W Brouwer, Lean Beulen, Sander Bollen, Martin G Elferink, Roy Straver, Lidewij Henneman, Godelieve C Page-Christiaens, Erik A Sistermans
PurposeNoninvasive prenatal screening (NIPS) using cell-free DNA in maternal blood is highly sensitive for detecting fetal trisomies 21, 18, and 13. Using a genome-wide approach, other chromosome anomalies can also be detected. We report on the origin, frequency, and clinical significance of these other chromosome aberrations found in pregnancies at risk for trisomy 21, 18, or 13.MethodsWhole-genome shallow massively parallel sequencing was used and all autosomes were analyzed.ResultsIn 78 of 2,527 cases (3...
October 2, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29120460/prenatal-reflex-dna-screening-for-trisomies-21-18-and-13
#7
Nicholas J Wald, Wayne J Huttly, Jonathan P Bestwick, Robert Old, Joan K Morris, Ray Cheng, Joe Aquilina, Elisabeth Peregrine, Devender Roberts, Zarko Alfirevic
PurposeThe purpose of the study was to determine the screening performance of prenatal reflex DNA screening for trisomies 21 (T21), 18 (T18), and 13 (T13) as part of a routine service at five hospitals.MethodsWomen who accepted screening had a first-trimester combined test (pregnancy-associated plasma protein A, free β-human chorionic gonadotropin, nuchal translucency interpreted with maternal age). Those with a risk of having an affected pregnancy ≥1 in 800 were reflexed to a DNA sequencing test using stored plasma from the original blood sample, thereby avoiding the need to recall them...
November 9, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29118296/mismatch-between-fetal-sexing-and-birth-phenotype-a%C3%A2-case-of-complete-androgen-insensitivity-syndrome
#8
Keisuke Yoshii, Yasuhiro Naiki, Yumiko Terada, Maki Fukami, Reiko Horikawa
With advancing maternal age, the number of prenatal genetic tests is increasing in many countries. Prenatal genetic tests, such as amniocentesis, chorionic villus sampling and non-invasive prenatal testing, can disclose fetal chromosomal sex, although these tests were originally designed to prenatally diagnose chromosomal aneuploidies, such as trisomy 21, 18 and 13. Complete androgen insensitivity syndrome (CAIS) is an X-linked recessive disorder caused by an androgen receptor dysfunction leading to hormone resistance...
November 9, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/29112995/prenatal-and-postnatal-follow-up-in-trisomies-13-and-18-a-20-year-experience-in-a-tertiary-center
#9
Özlem Akgün Doğan, Gizem Ürel Demir, Umut Arslan, Pelin Özlem Şimşek-Kiper, Gülen Eda Utine, Mehmet Alikaşifoğlu, Koray Boduroğlu
No abstract text is available yet for this article.
November 7, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/29093756/a-case-of-placental-trisomy-18-mosaicism-causing-a-false-negative-nipt-result
#10
Jiexia Yang, Yiming Qi, Fangfang Guo, Yaping Hou, Haishan Peng, Dongmei Wang, Haoxin Oy, Aihua Yin
Background: The non-invasive prenatal testing that evaluates circulating cell free DNA, and has been established as an additional pregnancy test for detecting the common fetal trisomies 21, 18 and 13 is rapidly revolutionizing prenatal screening as a result of its increased sensitivity and specificity. However, false positive and false negative results still exist. Case presentation: We presented a case in which the non-invasive prenatal testing results were normal at 15 gestational age (GA), but an ultrasound examination at 30GA showed that the fetus had heart abnormalities, and the third trimester ultrasound at 33GA noted multiple anomalies including a 3...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/29080223/comparison-of-first-tier-cell-free-dna-screening-for-common-aneuploidies-with-conventional-publically-funded-screening
#11
Sylvie Langlois, JoAnn Johnson, François Audibert, Jean Gekas, Jean-Claude Forest, André Caron, Keli Harrington, Melanie Pastuck, Hasna Meddour, Amélie Tétu, Julian Little, François Rousseau
OBJECTIVE: This study evaluates the impact of offering cell-free DNA (cfDNA) screening as a first-tier test for trisomies 21 and 18. METHODS: This is a prospective study of pregnant women undergoing conventional prenatal screening who were offered cfDNA screening in the first trimester with clinical outcomes obtained on all pregnancies. RESULTS: A total of 1198 pregnant women were recruited. The detection rate of trisomy 21 with standard screening was 83% with a false positive rate (FPR) of 5...
October 28, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29079891/parent-perspectives-of-support-received-from-physicians-and-or-genetic-counselors-following-a-decision-to-continue-a-pregnancy-with-a-prenatal-diagnosis-of-trisomy-13-18
#12
Stephanie E Wallace, Sara Gilvary, Michael J Smith, Siobhan M Dolan
Families that choose to continue a pregnancy with a prenatal diagnosis of Trisomy 13/18 are a minority that present unique challenges for those in charge of their care. This study investigated the extent to which these patients felt supported by their healthcare providers, and any differences in the perceived level of support experienced by those working with a physician versus those working with a genetic counselor. Two online support groups, SOFT and Hope for Trisomy, distributed an online survey to their members...
October 27, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/29057435/influence-of-first-trimester-biochemistry-methodology-on-detection-rate-in-screening-for-trisomy-21
#13
Bartosz Czuba, Dariusz Borowski, Piotr Węgrzyn, Wojciech Cnota, Anna Kubaty, Mirosław Wielgoś, Krzysztof Sodowski
OBJECTIVES: The purpose of the study was to compare detection rates (DR) of FMF-certified and non-certified biochemical tests (BC) in trisomy 21 screening at 11-13 + 6 weeks. MATERIAL AND METHODS: In 2267 singleton pregnancies FMF-certified doctors measured crown to rump length (CRL) and nuchal translucency (NT). Serum samples were tested for free β-hCG and the PAPP-A using 2 analysers (Delfia - Perkin Elmer and Immulite 2000 - DPC), the results were expressed in MoM values and used for computer calculation of the risk for trisomy 21...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/29057433/screening-for-trisomy-21-based-on-maternal-age-nuchal-translucency-measurement-first-trimester-biochemistry-and-quantitative-and-qualitative-assessment-of-the-flow-in-the-dv-the-assessment-of-efficacy
#14
Bartosz Czuba, Dariusz Zarotyński, Mariusz Dubiel, Dariusz Borowski, Piotr Węgrzyn, Wojciech Cnota, Małgorzata Reska-Nycz, Marek Mączka, Mirosław Wielgoś, Krzysztof Sodowski, Dawid Serafin, Anna Kubaty, Grzegorz H Bręborowicz
OBJECTIVES: The aim of the study was to compare effects of addition of two methods of ductus venosus (DV) flow assessment: qualitative - the assessment of shape of the A-wave (positive or negative), and quantitative - based on the pulsatility index for veins (DVPI) to the basic screening for trisomy 21 at 11 to 13 + 6 weeks of pregnancy. MATERIAL AND METHODS: The ultrasound examination was performed in 8230 fetuses in singleton pregnancies at 11- -13 + 6 wks, as a part of a routine screening for chromosomal defects...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/29047251/a-novel-1-13-mb-interstitial-duplication-at-19q13-32-causing-developmental-delay-and-microcephaly-in-a-pediatric-patient-the-first-asian-case-reports
#15
John Hoon Rim, Jeong A Kim, Jongha Yoo
Only 6 patients with partial trisomy of the long arm of chromosome 19 (19q), caused by direct interstitial duplications, have been reported until today. Herein, we report a pediatric patient with a novel 1.13 Mb direct interstitial duplication within 19q13.32, which is the smallest fragment affected so far. A five-year old Korean boy of healthy parents presented with microcephaly, growth retardation, developmental delay, and craniofacial dysmorphism. Even though G-banded chromosome analysis at resolution of 550-band revealed normal karyotype, duplication of 1...
November 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29046387/congenital-heart-surgery-on-in-hospital-mortality-in-trisomy-13-and-18
#16
MULTICENTER STUDY
Katherine A Kosiv, Jeffrey M Gossett, Shasha Bai, R Thomas Collins
BACKGROUND AND OBJECTIVES: Congenital heart disease (CHD) is common in trisomy 13 (T13) and trisomy 18 (T18), but surgical repair has not been offered in most centers. Data on outcomes of congenital heart surgery (CHS) for T13 and T18 are lacking. We sought to determine the impact of CHS on in-hospital mortality in T13 and T18. METHODS: Data from the 2004 to 2015 Pediatric Health Information System database were used to identify inpatients with T13 or T18 and CHD...
November 2017: Pediatrics
https://www.readbyqxmd.com/read/29046385/trisomy-13-and-18-cardiac-surgery-makes-sense-if-it-is-part-of-a-comprehensive-care-strategy
#17
COMMENT
Kathy J Jenkins, Amy E Roberts
No abstract text is available yet for this article.
November 2017: Pediatrics
https://www.readbyqxmd.com/read/29043983/trisomy-13-by-roberstonian-translocation-rob-13-13-q10-q10-13-about-one-case
#18
Antoine Laudat, Stéphane Serero, Isma Seridi, Laurence Burc-Struxiano
We are reporting a rate case of foetal trisomy 13 due to a roberstnonian translocation. Further to the study of both parents karyotypes, genetic councelling is advisable in order to assess the potential risk of trisomy that may occur during a future pregnancy.
October 18, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29040969/comparison-of-igh-profile-signals-using-t-4-14-and-igh-break-apart-probes-by-fish-in-multiple-myeloma
#19
Thomas Smol, Agnès Daudignon
We compared immunoglobulin heavy chain gene (IGH) signal patterns in multiple myeloma (MM) using the FGFR3-IGH and the IGH break-apart probes to facilitate their understanding and analysis. Forty-nine patients with MM were studied. FISH was performed on samples sorted with an FGFR3-IGH dual-color, dual-fusion translocation probe and an IGH dual-color break-apart rearrangement probe. The IGH deletions were found in 7 MM analyzed with the FGFR3-IGH probe and all confirmed by the IGH break-apart probe. The additional IGH signals were associated with different patterns using the IGH break-apart probe: a normal pattern in 9 cases, trisomy 14 in 3 cases, and splits of IGH in 7 cases...
October 18, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/29039166/-detection-of-cell-free-fetal-dna-in-maternal-plasma-for-noninvasive-prenatal-screening-of-fetal-chromosomal-aneuploidies-in-women-of-advanced-maternal-age
#20
Hui Zhu, Zhengyou Miao, Yeqing Qian, Hongge Li, Jinglei Jin, Jing He, Minyue Dong
OBJECTIVE: To evaluate the efficiency of cell-free fetal DNA detection as a non-invasive prenatal screening (NIPS) method for women of advanced maternal age. METHODS: A total of 10 584 women of advanced maternal age who received NIPS were recruited from the Women's Hospital, Zhejiang University School of Medicine and Jiaxing Maternal and Child Health Hospital during February 2015 and September 2016. The pregnancy outcome was followed-up. The sensitivity, specificity, positive and negative predictive value of fetal chromosomal aneuploidy detected in NIPS were analyzed...
May 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
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