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Trisomy 18

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https://www.readbyqxmd.com/read/28913147/summary-of-2185-prenatal-invasive-procedures-in-a-single-center-a-retrospective-analysis
#1
Hüseyin Çağlayan Özcan, Mete Gürol Uğur, Seyhun Sucu, Aynur Mustafa, Neslihan Bayramoğlu Tepe, Özcan Balat
OBJECTIVE: To determine the frequency, indications, and outcomes of diagnostic invasive prenatal procedures (DIPP) performed in a university hospital. MATERIALS AND METHODS: This retrospective, observational study included 2185 cases of DIPP (chorionic villus sampling, amniocentesis, and cordocentesis) performed at the department of obstetrics and gynecology of a university hospital between 2010 and 2016. We included all DIPP cases performed between 11 and 24 weeks of gestation...
June 2017: Turk J Obstet Gynecol
https://www.readbyqxmd.com/read/28895703/-double-aneuploidy-klinefelter-and-edwards-syndromes-48-xxy-18-case-report
#2
Mailén Costa, Silvia Ávila
The co-existence of a double chromosomal abnormality in one individual is a rare event, even more the simultaneous presence of Klinefelter (XXY) and Edwards (trisomy 18) syndrome. The aim of this article is to report the case of a newborn with a double aneuploidy, which consists in the coexistence of Edwards and Klinefelter syndrome. The patient's phenotype correlates mainly with Edwards syndrome. The diagnosis is made by performing the cytogenetics (karyotype) of peripheral blood lymphocytes. Only 15 cases of patients with Klinefelter and Edwards syndromes had been reported in literature so far...
October 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28890277/-prenatal-diagnosis-of-abdominal-wall-defects
#3
H El Mhabrech, H Ben Hmida, H Charfi, A Zrig, C Hafsa
Anterior abdominal wall defects (AAWD) correspond to a wide spectrum of congenital defects affecting 6.3/10,000 pregnancies. They have in common a closure defect of the anterior abdominal wall and can be fatal or expose the fetus and the neonate (NN) to many complications. This study was based on a retrospective study of 22 cases of AAWD collected between May 2009 and December 2014. Its purpose was to specify the importance of prenatal ultrasonography in the diagnosis and prognosis assessment of these defects...
September 7, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28887622/non-invasive-prenatal-testing-nipt-europe-s-first-multicenter-post-market-clinical-follow-up-study-validating-the-quality-in-clinical-routine
#4
Anne Flöck, Ngoc-Chi Tu, Anna Rüland, Wolfgang Holzgreve, Ulrich Gembruch, Annegret Geipel
PURPOSE: Non-invasive prenatal tests (NIPT) for the determination of fetal aneuploidies from maternal blood are firmly established in clinical routine. For the first time, the accuracy of an NIPT for the determination of trisomies 21, 18 and 13 in singleton pregnancies was assessed by means of a prospective German-wide multicenter post-market clinical follow-up study, to reliably evaluate the quality in clinical routine. METHODS: The study covered the indications for testing, the test results, the rate of invasive diagnostics and the pregnancy outcome...
September 8, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28879597/prenatal-congenital-vertical-talus-rocker-bottom-foot-a-marker-for-multisystem-anomalies
#5
Eva I Rubio, Nimisha Mehta, Anna R Blask, Dorothy I Bulas
BACKGROUND: Congenital vertical talus is a rare foot anomaly characterized by a prominent calcaneus and rigid forefoot dorsiflexion. While congenital vertical talus has been associated with anomalies such as trisomy 18, myelomeningocele and arthrogryposis, postnatal series have reported cases of isolated congenital vertical talus. OBJECTIVE: The purpose of our study was to determine the incidence of isolated congenital vertical talus prenatally and identify the most common anomalies associated with this finding...
September 6, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28873375/non-invasive-prenatal-testing-for-sex-chromosome-aneuploidy-in-routine-clinical-practice
#6
Louise Kornman, Ricardo Palma-Dias, Debbie Nisbet, Fergus Scott, Melody Menezes, Fabricio da Silva Costa, Andrew McLennan
OBJECTIVES: To assess the accuracy of non-invasive prenatal testing (NIPT) for sex chromosome aneuploidy (SCA) in routine clinical practice and to review counselling and sonographic issues arising in SCA cases. METHODS: Three specialist Australian obstetric ultrasound and prenatal diagnosis practices offering NIPT after 10 weeks' gestation participated in this study. NIPT was reported for chromosomes 21, 18, 13, X, and Y. RESULTS: NIPT screening was performed in 5,267 singleton pregnancies...
September 6, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28869935/fetal-aneuploidy-a-comparison-of-dichorionic-twins-and-monochorionic-twins
#7
Xiaomei Shi, Lin Li, Xuan Huang, Baojiang Chen, Yi Zhou, Qun Fang
OBJECTIVE: To assess the clinical characteristics of fetal aneuploidy between dichorionic twins (DCT) and monochorionic twins (MCT) undergoing invasive prenatal diagnosis. METHODS: Twin fetuses undergoing invasive prenatal diagnosis were enrolled in this study. All twin fetuses were classified into 2 groups according to chorionicity. The rates of fetal aneuploidy in different groups were compared. RESULT: This study included 1,714 fetuses (857 sets of twin pairs); among them, 1,190 were DCT and 524 were MCT...
September 5, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28859781/no-261-prenatal-screening-for-fetal-aneuploidy-in-singleton-pregnancies
#8
David Chitayat, Sylvie Langlois, R Douglas Wilson
OBJECTIVE: To develop a Canadian consensus document on maternal screening for fetal aneuploidy (e.g., Down syndrome and trisomy 18) in singleton pregnancies. OPTIONS: Pregnancy screening for fetal aneuploidy started in the mid 1960s, using maternal age as the screening test. New developments in maternal serum and ultrasound screening have made it possible to offer all pregnant patients a non-invasive screening test to assess their risk of having a fetus with aneuploidy to determine whether invasive prenatal diagnostic testing is necessary...
September 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28859779/no-262-prenatal-screening-for-and-diagnosis-of-aneuploidy-in-twin-pregnancies
#9
François Audibert, Alain Gagnon
OBJECTIVE: To provide a Canadian consensus document with recommendations on prenatal screening for and diagnosis of fetal aneuploidy (e.g., Down syndrome and trisomy 18) in twin pregnancies. OPTIONS: The process of prenatal screening and diagnosis in twin pregnancies is complex. This document reviews the options available to pregnant women and the challenges specific to screening and diagnosis in a twin pregnancy. OUTCOMES: Clinicians will be better informed about the accuracy of different screening options in twin pregnancies and about techniques of invasive prenatal diagnosis in twins...
September 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28856870/factors-related-to-home-health-care-transition-in-trisomy-13
#10
Yuma Kitase, Masahiro Hayakawa, Taiki Kondo, Akiko Saito, Takashi Tachibana, Makoto Oshiro, Kuniko Ieda, Eiko Kato, Yuichi Kato, Tetsuo Hattori, Seiji Hayashi, Masatoki Ito, Reina Hyodo, Yukako Muramatsu, Yoshiaki Sato
Trisomy 13 (T13) is accompanied by severe complications, and it can be challenging to achieve long-term survival without aggressive treatment. However, recently, some patients with T13 have been receiving home care. We conducted this study to investigate factors related to home health-care transition for patients with T13.We studied 28 patients with T13 born between January 2000 and December 2014. We retrospectively compared nine home care transition patients (the home care group) and 19 patients that died during hospitalization (the discharge at death group)...
August 29, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28855395/rare-autosomal-trisomies-revealed-by-maternal-plasma-dna-sequencing-suggest-increased-risk-of-feto-placental-disease
#11
Mark D Pertile, Meredith Halks-Miller, Nicola Flowers, Catalin Barbacioru, Sarah L Kinnings, Darcy Vavrek, William K Seltzer, Diana W Bianchi
Whole-genome sequencing (WGS) of maternal plasma cell-free DNA (cfDNA) can potentially evaluate all 24 chromosomes to identify abnormalities of the placenta, fetus, or pregnant woman. Current bioinformatics algorithms typically only report on chromosomes 21, 18, 13, X, and Y; sequencing results from other chromosomes may be masked. We hypothesized that by systematically analyzing WGS data from all chromosomes, we could identify rare autosomal trisomies (RATs) to improve understanding of feto-placental biology...
August 30, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28833712/cell-free-fetal-dna-analysis-in-maternal-plasma-as-a-screening-test-for-trisomy-21-18-and-13-in-twin-pregnancies
#12
Grégoire Le Conte, Alexandra Letourneau, Jacques Jani, Pascale Kleinfinger, Laurence Lohmann, Jean-Marc Costa, Alexandra Benachi
OBJECTIVES: To evaluate the utility of noninvasive prenatal testing using cell-free circulating fetal DNA (cfDNA) in screening for the three main autosomal fetal trisomies in twin pregnancies. METHODS: CfDNA testing was offered to 492 patients with twin pregnancies without ultrasound anomalies as a first-line screening test or after serum screening in clinical practice. Data were collected prospectively and a retrospective analysis was performed. CfDNA analysis was performed by massively parallel sequencing...
August 18, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28817202/perinatal-mortality-in-japanese-women-diagnosed-with-gestational-diabetes-mellitus-and-diabetes-mellitus
#13
Mamoru Morikawa, Takashi Sugiyama, Norimasa Sagawa, Yuji Hiramatsu, Hiroshi Ishikawa, Hiromi Hamada, Takashi Kameda, Emiko Hara, Shigeru Toda, Hisanori Minakami
AIMS: The objective of this study was to determine how many pregnant Japanese women with diabetes mellitus (DM)/gestational diabetes mellitus (GDM) experience perinatal mortality in the presence of fetal anomalies. METHODS: Our investigation included data from 205 secondary/tertiary obstetric facilities located widely in Japan. The Japan Ministry of Health, Labour and Welfare Vital Statistics of Japan was used for comparison. RESULTS: Of 237 941 women giving birth at 205 hospitals, 1796 (0...
August 17, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28804563/count-based-size-correction-analysis-of-maternal-plasma-dna-for-improved-noninvasive-prenatal-detection-of-fetal-trisomies-13-18-and-21
#14
Li Zhang, Qian Zhu, He Wang, Shanling Liu
PURPOSE: Our goal was to derive more sensitive and accurate Z-scores based on combined DNA count- and size-based algorithms to advance molecular diagnostics for noninvasive prenatal testing of fetal trisomies. METHODS: We included 180 cases at high risk for fetal aneuploidy who underwent amniotic fluid cytogenetic analysis. We calculated their traditional count-based Z-scores, as well as their 100-, 130- and 150-, and 166-bp size-corrected Z-scores, and determined each Z-score's reliability based on its comparison to the cases' cytogenetic results...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28777855/-application-of-bacs-on-beads-and-karyotyping-for-the-prenatal-diagnosis-of-1371-pregnant-women-with-a-high-risk
#15
Penglong Chen, Chunlei Jin, Qunda Shan, Bixia Qian, Xiaohong Zheng, Xiaohong Wang, Yi Wang
OBJECTIVE: To assess the value of combined BACs-on-Beads(TM) (BoBs) and chromosomal karyotyping for the diagnosis of women with high-risk pregnancy. METHODS: For 1371 women with singleton pregnancy and various indications for prenatal diagnosis, karyotyping and BoBs were simultaneously applied on their amnionic fluid samples. RESULTS: In total 23 cases of trisomy 21, 11 cases of trisomy 18, 5 cases of sex chromosome aneuploidies, 6 cases of microdeletions/microduplications, 2 cases of chimeric chromosomes and 1 case of structural chromosomal abnormality were detected by the BoBs assay, among which the 6 microdeletions/microduplications were not detected by karyotyping...
August 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28770124/omphalocele-and-gastroschisis-in-newborns-over-16-years-of-experience-from-a-single-clinic
#16
Shunusuke Watanabe, Tatuya Suzuki, Fujio Hara, Toshihiro Yasui, Naoko Uga, Atuki Naoe
Infants born with potentially life-threatening conditions of omphalocele and gastroschisis may require long-term hospitalization. We aimed to compare the outcomes of these two conditions occurring over a 16-year period (2001-16). It is a retrospective study of 19 newborns undergoing surgery for these two abdominal wall defects (8 patients with omphalocele and 11 cases of gastroschisis). The average birth weights for the newborns with omphaloceles and gastroschisis were 2554.5 g and 2248.6 g respectively. Associated anomalies included trisomy 18, Beckwith-Wiedemann syndrome, congenital heart disease, Meckel's diverticulum, inguinal hernias, renal deformities, limb deformities, cryptorchidism, body stalk anomalies, and closed gastroschisis...
April 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28760128/analysis-of-musculoskeletal-dysmorphic-abnormalities-of-20-fetuses
#17
Mehmet Nuri Konya, Muhsin Elmas, Çiğdem Özdemir
OBJECTIVES: This study aims to report rates of skeletal abnormalities and their risk factors in light of information obtained in a fetal autopsy series. PATIENTS AND METHODS: The study included 20 fetuses (11 males, 8 females and 1 ambiguous genitalia; mean age 19.3±4.0 weeks; range 16 to 32 week) who underwent autopsy in our hospital between January 2013 and March 2015. Fetuses were systematically classified according to age, gender, family history, abortus week, abortus type, and extremity and organ abnormalities...
August 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28751771/number-of-runx1-mutations-wild-type-allele-loss-and-additional-mutations-impact-on-prognosis-in-adult-runx1-mutated-aml
#18
A Stengel, W Kern, M Meggendorfer, N Nadarajah, K Perglerovà, T Haferlach, C Haferlach
RUNX1 mutated AML show a distinct pattern of genetic abnormalities and an adverse prognosis. We analyzed the impact of multiple RUNX1 mutations and RUNX1 wild-type (WT) loss in 467 AML with RUNX1 mutations (mut): (1) RUNX1 WT loss (n=53), (2) >1 RUNX1mut (n=94) and (3) 1 RUNX1mut (n=323). In 1 RUNX1mut, +8 was most frequent, whereas in WT loss +13 was the most abundant trisomy (+8: 66% vs. 31%, P=0.022; +13: 15% vs 62%, P<0.001). Analyses of 28 genes in 163 selected cases revealed SRSF2 (39%), ASXL1 (36%), DNMT3A (19%), IDH2 (17%) and SF3B1 (17%) as most frequently mutated genes...
July 28, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28737006/unrecognized-viral-infections-and-chromosome-abnormalities-as-a-cause-of-fetal-death-examination-with-fluorescence-in%C3%A2-situ-hybridization-immunohistochemistry-and-polymerase-chain-reaction
#19
Bente Ediassen Opsjøn, Svein Arne Nordbø, Christina Vogt
Fifteen to 50% of fetal deaths remain unexplained after post-mortem examination depending on inclusion criteria and classification systems. Our aim was to examine a selection of unexplained fetal deaths in order to investigate whether any common chromosome aberrations or viral infections were present. Reports from 351 fetal autopsies performed at the Department of Pathology and Medical Genetics at St. Olavs University Hospital from 2001 through 2010 were reviewed. Of these, 105 fetal deaths were classified as unexplained...
September 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28728213/performance-of-non-invasive-prenatal-screening-for-fetal-aneuploidy-in-twin-pregnancies-a-meta-analysis
#20
Hong Liao, Shanling Liu, He Wang
OBJECTIVE: The objectives of this study were to review the published studies of non-invasive prenatal screening (NIPS) in twin pregnancies and to evaluate the performance for screening fetal trisomies 21, 18, and 13 in twin pregnancies. METHOD: Ten eligible studies were included in this meta-analysis. Data analysis, heterogeneity exploring, meta-regression, and subgroup analysis were all conducted with Meta-DiSc 1.4. Quality assessments were carried out with the Quality Assessment Tool for Diagnostic Accuracy Studies...
July 20, 2017: Prenatal Diagnosis
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