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Trisomy 13

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https://www.readbyqxmd.com/read/28629247/obstetric-practice-patterns-in-pregnancies-complicated-by-fetal-trisomy-13-or-18
#1
Sarah K Dotters-Katz, Marcela C Smid, Cora Mcelwain, Jeffrey A Kuller, Jay Schulkin
PURPOSE: Describe practice patterns among obstetrician/gynecologists (OB/GYNs) when caring for women with pregnancy complicated by fetal trisomy 13(T13) or 18(T18), and compare these between maternal-fetal-medicine (MFM) and non-MFM providers. MATERIALS AND METHODS: We conducted an electronic survey using the American College of Obstetricians and Gynecologists database. Using simple statistics, we describe demographics and practice patterns among respondents, and compare those of MFM practitioners with non-MFM providers...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28627098/effect-of-concomitant-birth-defects-and-genetic-anomalies-on-infant-mortality-in-tetralogy-of-fallot
#2
Eric G Jernigan, Paula D Strassle, Rebecca C Stebbins, Robert E Meyer, Jennifer S Nelson
BACKGROUND: A substantial proportion of infants born with tetralogy of Fallot (TOF) die in infancy. A better understanding of the heterogeneity associated with TOF, including extracardiac malformations and chromosomal anomalies is vital to stratifying risk and optimizing outcomes during infancy. METHODS: Using the North Carolina Birth Defects Monitoring Program, infants diagnosed with TOF and born between 2003 and 2012 were included. Kaplan-Meier survival curves were used to estimate cumulative 1-year mortality, stratified by the presence of concomitant birth defects (BDs) and chromosomal anomalies...
June 19, 2017: Birth defects research
https://www.readbyqxmd.com/read/28621052/10p15-3p13-duplication-inherited-from-paternal-balance-translocation-46-xy-t-5-10-q35-1-p13-identified-on-non-invasive-prenatal-testing
#3
Jin Mei, Hao Wang, Liyong Zhan
Balanced reciprocal translocations are relatively common human genetic abnormalities that involve the exchange of the terminal segments between different chromosomes and have an approximately 5-80% chance of generating an embryo with chromosomal abnormalities. Non-invasive prenatal testing (NIPT) has been increasingly used in clinical practice to detect fetal trisomies 21, 18 and 13 with a sensitivity and specificity of up to 99%. In this report, we describe a duplication on chromosome 10 and a deletion on chromosome 5 that were first detected on NIPT...
June 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28617416/genome-wide-cfdna-screening-clinical-laboratory-experience-with-the-first-10-000-cases
#4
Mathias Ehrich, John Tynan, Amin Mazloom, Eyad Almasri, Ron McCullough, Theresa Boomer, Daniel Grosu, Jason Chibuk
PurposeInvasive diagnostic prenatal testing can provide the most comprehensive information about the genetic status of a fetus. Noninvasive prenatal screening methods, especially when using cell-free DNA (cfDNA), are often limited to reporting only on trisomies 21, 18, and 13 and sex chromosome aneuploidies. This can leave a significant number of chromosomal and subchromosomal copy-number variations undetected. In 2015, we launched a new genome-wide cfDNA screening test that has the potential to narrow this detection gap...
June 15, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28616926/-clinical-application-of-chromosomal-microarray-analysis-in-karyotyping-with-uncertain-genomic-rearrangement
#5
Ting Hu, Zhu Zhang, Jia-Min Wang, Hong-Qian Liu, Zhi-Ying Liu, He Wang, Shan-Ling Liu
OBJECTIVES: To apply chromosomal microarray analysis (CMA) in the diagnosis of karyotyping with uncertain genomic rearrangement. METHODS: We retrospectively reviewed 48 samples (34 samples of amniotic fluid, 14 samples of peripheral blood) of karyotype analyses with uncertain genomic rearrangement in patients admitted to our department from September 2014 to April 2016. The CMA results were compared with those of karyotyping. RESULTS: The 48 samples consisted of 13 samples with marker chromosomes, 19 samples with derivative chromosomes, and 16 samples with balanced translocation...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28608970/effect-of-extended-oral-contraception-use-on-the-prevalence-of-fetal-trisomy-21-in-women-aged-at-least-35-years
#6
Dániel Horányi, Lilla Éva Babay, János Rigó, Balázs Győrffy, Gyula R Nagy
OBJECTIVE: To study factors influencing the number of ovulations in reproductive life as risk factors for common trisomies. METHODS: The present observational study examined data from genetic counseling sessions performed at the 1st Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary, between September 1, 2013, and September 1, 2015, and retrieved data on patients of advanced maternal age (≥35 years) who had fetal trisomy 21, 18, or 13 confirmed...
June 13, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28608362/chromosomal-microarray-as-a-primary-diagnostic-genomic-tool-for-pregnancies-defined-as-being-at-increased-risk-within-a-population-based-combined-first-trimester-screening-program
#7
Ida Vogel, Olav Bjørn Petersen, Rikke Christensen, Jon Hyett, Stina Lou, Else Marie Vestergaard
OBJECTIVE: To evaluate the impact of using high-resolution chromosomal microarray (CMA) as the standard diagnostic approach to examine for genomic imbalances in pregnancies with increased risk (≥1 in 300) defined through combined first trimester screening (cFTS). METHODS: A cohort of 575 consecutive pregnancies that had cFTS risk ≥1:300 through a publicly funded population based screening program in the Central and Northern Regions of Denmark between September 2015 and September 2016...
June 13, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28604948/-clinical-significance-of-secondary-results-from-non-invasive-prenatal-testing
#8
Weilin Ke, Weihua Zhao, Shenqiu Jie, Qingqing Chen, Qing Li
OBJECTIVE: To assess the accuracy of copy number variations (CNVs) detection by non-invasive prenatal testing (NIPT) in addition to its routine targets and clinical significance of such CNVs for the reduction of fetuses born with chromosomal microdeletion/duplication syndromes. METHODS: From October 2014 to October 2015, 14 235 pregnant women volunteered to participate in the study. Fifteen cases detected with chromosomal CNVs by the NIPT decided to undergo prenatal diagnostic procedures including amniocentesis, G-banded karyotyping and chromosomal microarray analysis (CMA)...
June 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28604574/use-of-extracorporeal-membrane-oxygenation-and-mortality-in-pediatric-cardiac-surgery-patients-with-genetic-conditions-a-multicenter-analysis
#9
Jamie M Furlong-Dillard, Venugopal Amula, David K Bailly, Steven B Bleyl, Jacob Wilkes, Susan L Bratton
OBJECTIVE: Congenital heart disease is commonly a manifestation of genetic conditions. Surgery and/or extracorporeal membrane oxygenation were withheld in the past from some patients with genetic conditions. We hypothesized that surgical care of children with genetic conditions has increased over the last decade, but their cardiac extracorporeal membrane oxygenation use remains lower and mortality greater. DESIGN: Retrospective cohort study. SETTING: Patients admitted to the Pediatric Health Information System database 18 years old or younger with cardiac surgery during 2003-2014...
June 9, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28603073/rapid-prenatal-diagnosis-of-aneuploidy-for-chromosomes-21-18-13-x-and-y-using-segmental-duplication-quantitative-fluorescent-pcr-sd-qf-pcr
#10
Lei Sun, Zuqian Fan, Ju Long, Xunjin Weng, Weijun Tang, Wanrong Pang
BACKGROUND: In our previous studies, the rapid diagnosis of aneuploidy has been achieved using the segmental duplication molecular markers-based SD-QF-PCR technique. However, it is also insufficient due to the drawbacks including less detection loci and incompetence in single-tube detection. METHODS: In this paper, we developed 13 new segmental duplications as molecular markers, as well as designed 13 pairs of primers and 1 fluorescence-labeled universal primer, which could detect chromosome aneuploidies in one PCR tube...
June 9, 2017: Gene
https://www.readbyqxmd.com/read/28595435/a-fetal-diagnostic-center-s-referral-rate-for-perinatal-palliative-care
#11
Krishelle L Marc-Aurele, Andrew D Hull, Marilyn C Jones, Dolores H Pretorius
BACKGROUND: Fetal specialists support standardizing the practice of offering women palliative care for life limiting fetal diagnoses. However, there is little data available regarding what fetal specialists do in practice. Since 2003, our center has kept a database of all women referred for fetal complications. METHODS: Retrospective electronic chart review of pregnant women between 2006 and 2012 using UCSD's Fetal Care and Genetics Center referral database. Objectives were to determine: (I) how many high risk pregnancies referred to the University of California San Diego Medical Center (UCSD) over a 6-year period have potentially life limiting fetal diagnoses; (II) pregnancy outcome; and (III) referral rate to perinatal palliative care...
May 4, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28588852/partial-trisomy-9-prenatal-diagnosis-and-recurrence-within-same-family
#12
Jana López-Félix, Leticia Flores-Gallegos, Luz Garduño-Zarazúa, Teresa Leis-Márquez, Luz Juárez-García, Ricardo Meléndez-Hernández, Ernesto Castelazo-Morales, Dora Mayén-Molina
Trisomy 9 can be suspected and confirmed in the prenatal period since the 11-13.6 weeks of screening. In cases of partial trisomy 9, the diagnosis is important especially to counseling the couple due to the increased likelihood of recurrence in subsequent pregnancies.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28586143/current-status-of-non-invasive-prenatal-testing-in-japan
#13
Osamu Samura, Akihiko Sekizawa, Nobuhiro Suzumori, Aiko Sasaki, Seiji Wada, Haruka Hamanoue, Fumiki Hirahara, Hideaki Sawai, Hiroaki Nakamura, Takahiro Yamada, Kiyonori Miura, Hideaki Masuzaki, Setsuko Nakayama, Takashi Okai, Yoshimasa Kamei, Akira Namba, Jun Murotsuki, Tomohiro Tanemoto, Akimune Fukushima, Kazufumi Haino, Shinya Tairaku, Keiichi Matsubara, Kazuhisa Maeda, Takashi Kaji, Masanobu Ogawa, Hisao Osada, Haruki Nishizawa, Yoko Okamoto, Takeshi Kanagawa, Aiko Kakigano, Michihiro Kitagawa, Masaki Ogawa, Shunichiro Izumi, Yukiko Katagiri, Naoki Takeshita, Yasuyo Kasai, Katsuhiko Naruse, Reiko Neki, Hisashi Masuyama, Maki Hyodo, Yukie Kawano, Takashi Ohba, Kiyotake Ichizuka, Yasuhiro Kido, Toshiyuki Fukao, Norio Miharu, Takeshi Nagamatsu, Atsushi Watanabe, Naoki Hamajima, Masaya Hirose, Ayako Sanui, Nahoko Shirato, Junko Yotsumoto, Miyuki Nishiyama, Tatsuko Hirose, Haruhiko Sago
AIM: The purpose of this study was to report the 3-year experience of a nationwide demonstration project to introduce non-invasive prenatal testing (NIPT) of maternal plasma for aneuploidy, and review the current status of NIPT in Japan. METHODS: Tests were conducted to detect aneuploidy in high-risk pregnant women, and adequate genetic counseling was provided. The clinical data, test results, and pregnancy outcomes were recorded. We discuss the problems of NIPT on the basis of published reports and meta-analyses...
June 6, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28565842/detection-of-trisomies-13-18-and-21-using-non-invasive-prenatal-testing
#14
Rong Qiang, Na Cai, Xiaobin Wang, Lin Wang, Ke Cui, Wei Wang, Xiang Wang, Xu Li
The clinical performance of non-invasive prenatal testing (NIPT) in the Down's syndrome screening based on 1,901 pregnant women in a Chinese hospital was investigated. This was a retrospective analysis of NIPT study in singleton pregnancy (n=1,901). The NIPT test is offered routinely as a prenatal screening test for common fetal aneuploidies, including trisomy 13 (T13), T18 and T21 to pregnant women with risk factors of one or more anomalies. Maternal peripheral blood (5 ml) was collected in an ethylenediaminetetraacetic acid (EDTA) tube at a gestational age of 12+0 to 32+6 weeks...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28553771/the-first-trimester-combined-test-for-aneuploidies-a-single-center-experience
#15
Alina Veduta, Ana Maria Vayna, Simona Duta, Anca Panaitescu, Florin Popescu, Maria Bari, Gheorghe Peltecu, Florina Nedelea
PURPOSE: We present the results of the systematic application of the first trimester combined test for aneuploidies, in a Romanian center. METHODS: Since October 2009, in Filantropia Hospital in Bucharest, we have systematically been using the FMF (Fetal Medicine Foundation) combined first trimester test to screen for common aneuploidies at 11 to 13 + 6 weeks of gestation. We assessed the crown - rump length (CRL), nuchal translucency, fetal heart rate as well as PAPP-A and free β-hCG in maternal serum...
May 28, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28550383/-you-can-carry-the-torch-now-a-qualitative-analysis-of-parents-experiences-caring-for-a-child-with-trisomy-13-or-18
#16
Joshua D Arthur, Divya Gupta
Trisomy 13 and 18 (T 13/18) are rare chromosomal abnormalities associated with high morbidity and mortality. Improved survival rates and increased prevalence of aggressive medical intervention have resulted in families and physicians holding different perspectives regarding the appropriate management of children with T 13/18. Families were invited for open-ended interviews regarding their experiences with the medical care of a child with T 13/18 over the past 5 years. Seven of 33 invited families were surveyed; those who had spent more than 40 days in the hospital were most likely to accept the invitation (OR 8...
May 26, 2017: HEC Forum: An Interdisciplinary Journal on Hospitals' Ethical and Legal Issues
https://www.readbyqxmd.com/read/28544599/a-tumor-profile-in-patau-syndrome-trisomy-13
#17
Daniel Satgé, Motoi Nishi, Nicolas Sirvent, Michel Vekemans, Marie-Pierre Chenard, Ann Barnes
Individuals with trisomic conditions like Down syndrome and Edwards syndrome are prone to certain types of malignancy. However, for Patau syndrome (constitutional trisomy 13), which occurs in 1/10,000-1/20,000 live births, the tumor profile has not been well characterized. An awareness of susceptibility to malignancies can improve care of affected individuals, as well as further our understanding of the contribution of trisomy to carcinogenesis. Therefore, we conducted an extensive review of the literature; we found 17 malignancies reported in individuals with Patau syndrome...
May 25, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28526461/-anesthesia-in-a-child-operated-for-cleft-lip-associated-with-patau-s-syndrome
#18
Manoj Kamal, Don Varghese, Jeet Bhagde, Geeta Singariya, Annie Miju Simon, Amar Singh
Patients with Patau's syndrome (Trisomy 13) have multiple craniofacial, cardiac, neurological and renal anomalies with very less life expectancy. Among craniofacial anomalies cleft lip and palate are common. These craniofacial and cardiac anomalies present difficulties with anesthesia. We therefore describe the anesthetic management in the case of a Trisomy 13 child for operated for cleft lip at 10 months of age.
May 16, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28518169/population-based-impact-of-noninvasive-prenatal-screening-on-screening-and-diagnostic-testing-for-fetal-aneuploidy
#19
Lisa Hui, Briohny Hutchinson, Alice Poulton, Jane Halliday
PurposeTo assess the population-wide impact of noninvasive prenatal screening (NIPS) on combined first-trimester screening (CFTS), early ultrasound (11-13 weeks), and invasive prenatal diagnosis in a state with over 73,000 births per year.MethodsAnalysis of population-based data from 2000 to 2015 including (i) invasive prenatal tests, (ii) CFTS uptake, and (iii) total births. Utilization of early ultrasound was analyzed before and after NIPS (2010-2015).ResultsInvasive testing decreased significantly by 39...
May 18, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28514881/trisomy-13-and-the-risk-of-gestational-hypertensive-disorders-a-population-based-study
#20
Sarah K Dotters-Katz, Whitney M Humphrey, Kayli L Senz, Vanessa R Lee, Brian L Shaffer, Jeffrey A Kuller, Aaron B Caughey
PURPOSE: To describe the rate and severity of gestational hypertensive disorders (GHD) in pregnancies complicated by trisomy 13 (T13). MATERIALS AND METHODS: Retrospective cohort study of singleton deliveries in California from 2005-2008 using vital statistics and ICD-9 data. We were interested in gestational hypertension (gHTN), preeclampsia with and without severe features (sPREX and PREX), and gestational age at delivery. Pregnancies and maternal complications affected by prenatally diagnosed T13 were compared to unaffected pregnancies...
May 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
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