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"Trisomy 18"

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https://www.readbyqxmd.com/read/28328132/revised-estimates-of-the-risk-of-fetal-loss-following-a-prenatal-diagnosis-of-trisomy-13-or-trisomy-18
#1
Alana Cavadino, Joan K Morris
Edwards syndrome (trisomy 18) and Patau syndrome (trisomy 13) both have high natural fetal loss rates. The aim of this study was to provide estimates of these fetal loss rates by single gestational week of age using data from the National Down Syndrome Cytogenetic Register. Data from all pregnancies with Edwards or Patau syndrome that were prenatally detected in England and Wales from 2004 to 2014 was analyzed using Kaplan-Meier survival estimates. Pregnancies were entered into the analysis at the time of gestation at diagnosis, and were considered "under observation" until the gestation at outcome...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28322033/prenatal-diagnosis-of-aberrant-right-subclavian-artery-in-an-unselected-population
#2
Mi Jin Song, Byoung Hee Han, Young-Hwa Kim, So Young Yoon, Yoo Mi Lee, Hye Su Jeon, Bo Kyung Park
Purpose: The purpose of this study was to determine the frequency of aberrant right subclavian artery (ARSA) among unselected fetuses and to evaluate its association with chromosomal abnormalities and other congenital anomalies. Methods: In all, 7,547 fetuses (gestational age, 20 to 34 weeks) were examined using routine antenatal sonography at our institution between April 2014 and September 2015. The right subclavian artery was assessed using grayscale and color Doppler ultrasonography in the transverse 3-vessel and tracheal view, and confirmed in the coronal plane...
February 20, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28301894/transitions-in-care-for-infants-with-trisomy-13-or-18
#3
Jacquelyn Patterson, Genevieve Taylor, Melissa Smith, Sarah Dotters-Katz, Arlene M Davis, Wayne Price
Background and Objectives The scope of interventions offered to infants with trisomy 13 (T13) or trisomy 18 (T18) is increasing. We describe the spectrum of care provided, highlighting transitions in care for individual patients. Patients and Methods This is a single-center, retrospective cohort of infants with T13 or T18 born between 2004 and 2015. Initial care was classified as comfort care or intervention using prenatal counseling notes. Transitions in care were identified in the medical record. Results In this study, 25 infants were divided into two groups based on their care: neonates who experienced no transition in care and neonates who experienced at least one transition...
March 16, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28259368/practices-and-attitudes-of-canadian-cardiologists-caring-for-patients-with-trisomy-18
#4
Aisling A Young, Christy Simpson, Andrew E Warren
Trisomy 18 (T18) is a genetic disorder with cardiac lesions in up to 90% of patients. Cardiac surgery is not frequently offered because of the overall poor prognosis, although this has recently been challenged. Our study aimed to explore the practices and attitudes of Canadian pediatric cardiologists managing T18 patients. We administered a survey to pediatric cardiologists attending the Canadian Cardiovascular Congress, Canadian Pediatric Cardiology Association Business Meeting. There were 30 respondents. Most (67%) supported comfort care for affected patients with a heart lesion...
November 17, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28248967/improving-the-positive-predictive-value-of-non-invasive-prenatal-screening-nips
#5
Charles M Strom, Ben Anderson, David Tsao, Ke Zhang, Yan Liu, Kayla Livingston, Christopher Elzinga, Matthew Evans, Quoclinh Nguyen, David Wolfson, Charles Rowland, Paula Kolacki, Megan Maxwell, Jia-Chi Wang, Douglas Rabin, Joseph Catanese, Renius Owen, Corey Braastad, Weimin Sun
We evaluated performance characteristics of a laboratory-developed, non-invasive prenatal screening (NIPS) assay for fetal aneuploidies. This assay employs massively parallel shotgun sequencing with full automation. GC sequencing bias correction and statistical smoothing were performed to enhance discrimination of affected and unaffected pregnancies. Maternal plasma samples from pregnancies with known aneuploidy status were used for assay development, verification, and validation. Assay verification studies using 2,085 known samples (1873 unaffected, 69 trisomy 21, 20 trisomy 18, 17 trisomy 13) demonstrated complete discrimination between autosomal trisomy (Z scores >8) and unaffected (Z scores <4) singleton pregnancies...
2017: PloS One
https://www.readbyqxmd.com/read/28238454/moving-toward-a-shared-process-the-impact-of-parent-experiences-on-perinatal-palliative-care
#6
Susan L Hasegawa, Jessica T Fry
Perinatal palliative care programs seek to support parents expecting a baby diagnosed with a serious medical condition. Clinicians have increasingly recognized the importance of parental perspectives on the medical care mothers and their fetuses and live-born children receive, especially regarding factors influencing individual choices and knowledge of the medical community. We describe, using literature on trisomy 13 and trisomy 18, how information shared between parents and providers can improve perinatal counseling and family support...
February 23, 2017: Seminars in Perinatology
https://www.readbyqxmd.com/read/28236314/non-visualization-of-choroid-plexus-of-the-fourth-ventricle-as-a-first-trimester-predictor-of-posterior-fossa-anomalies-and-chromosomal-defects-a-three-dimensional-ultrasound-study
#7
P Martinez-Ten, T Illescas, B Adiego, M Estevez, C Bermejo, A E Wong, W Sepulveda
OBJECTIVE: To assess non-visualization of the choroid plexus of the fourth ventricle (CP-IVV) as a simple, qualitative, and reproducible first-trimester ultrasound feature of the posterior fossa that predicts brain anomalies and chromosomal defects. METHODS: Three-dimensional (3D) ultrasound datasets of the fetal brain were prospectively obtained from 65 consecutive singleton, normal first-trimester fetuses and retrospectively from 27 fetuses identified as having an abnormal fetal posterior fossa on the first-trimester scan, which were randomly included in the final study group...
February 25, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28211984/prenatal-diagnosis-of-inverted-duplication-deletion-8p-syndrome-mimicking-trisomy-18
#8
Mehmet Ozgur Akkurt, Amanda Higgs, Ozerk T Turan, Ozhan M Turan, Sifa Turan
Inverted duplication deletion of 8p (invdupdel[8p]) is a well-described and uncommon chromosomal rearrangement. The majority of the reported cases have revealed no life-threatening malformations. Although the invdupdel[8p] syndrome in children with central nervous system abnormalities has been reported before, we present the first prenatal microarray diagnosis of invdupdel[8p] syndrome mimicking trisomy 18 due to similar sonographic features. Contrary to reported cases with invdupdel[8p] syndrome, the present case had severe polyvalvular dysplasia and the infant deceased at day 12 of life...
March 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28192554/using-patient-centered-care-after-a-prenatal-diagnosis-of-trisomy-18-or-trisomy-13-a-review
#9
Shelly Haug, Mitchell Goldstein, Denise Cummins, Elba Fayard, T Allen Merritt
Importance: Patient-centered care (PCC) has been advocated by the Institute of Medicine to improve health care in the United States. Four concepts of PCC align with clinical ethics principles and are associated with enhanced patient/parent satisfaction. These concepts are dignity and respect, information sharing, participation, and collaboration. The objective of this article is to use the PCC approach as a framework for an extensive literature review evaluating the current status of counseling regarding prenatal diagnosis of trisomy 18 (T18) or trisomy 13 (T13) and to advocate PCC in the care of these infants...
February 13, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28185147/incompatible-with-care-examining-trisomy-18-medical-discourse-and-families-counter-discourse-for-recuperative-ethos
#10
Megan J Thorvilson, Adam J Copeland
Parents whose child is diagnosed with a serious disease such as trisomy 18 first rely on the medical community for an accurate description and prognosis. In the case of trisomy 18, however, many families are told the disease is "incompatible with life" even though some children with the condition live for several years. This paper considers parents' response to current medical discourse concerning trisomy 18 by examining blogs written by the parents of those diagnosed. Using interpretive humanistic reading and foregrounding Cathryn Molloy's recuperative ethos theory (2015), we find that parents demonstrate recuperative ethos in response to physicians' descriptions of trisomy 18, particularly in rhetoric addressing survival, medicalized language, and religious and/or spiritual rhetoric...
February 10, 2017: Journal of Medical Humanities
https://www.readbyqxmd.com/read/28164510/the-status-of-quality-control-investigation-and-analysis-for-maternal-serum-marker-of-prenatal-screening-laboratories-in-china
#11
Falin He, Wei Wang, Kun Zhong, Shuai Yuan, Zhiguo Wang
BACKGROUND: This national survey was initiated to investigate the current status of quality control practice of prenatal screening by statistical analysis of the previous half year data of prenatal screening in 2015. METHODS: Data were sent to all Chinese prenatal screening centers via the National Quality Assessment Scheme. This covered the software used, the risk cutoffs, monthly sample throughput, monthly median MoM of AFP, HCG, β-HCG, free β-HCG and uE3, monthly screening positive rates for trisomy 21, trisomy 18, and Open Neural Tube Defect (ONTD)...
January 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28056858/the-impact-of-national-prenatal-screening-on-the-time-of-diagnosis-and-outcome-of-pregnancies-affected-with-common-trisomies-a-cohort-study-in-the-northern-netherlands
#12
Katelijne Bouman, Marian K Bakker, Erwin Birnie, Lies Ter Beek, Caterina M Bilardo, Irene M van Langen, Hermien E K de Walle
BACKGROUND: To evaluate the impact of the introduction of prenatal screening on time of detection and pregnancy outcome for trisomy 21 (T21), trisomy 18 (T18) and trisomy 13 (T13). METHODS: We performed a retrospective, population-based cohort study in the Northern Netherlands including 503 trisomy cases born between 2005 and 2012. Screening tests and invasive procedures, timing of diagnosis and pregnancy outcome were compared between the period before (2005-2006) and after introduction (2007-2012) using X (2) tests...
January 5, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28041665/should-extracorporeal-membrane-oxygenation-be-offered-an-international-survey
#13
Kevin W Kuo, Ryan P Barbaro, Samir K Gadepalli, Matthew M Davis, Robert H Bartlett, Folafoluwa O Odetola
OBJECTIVES: To assess the current attitudes of extracorporeal membrane oxygenation (ECMO) program directors regarding eligibility for ECMO among children with cardiopulmonary failure. STUDY DESIGN: Electronic cross-sectional survey of ECMO program directors at ECMO centers worldwide within the Extracorporeal Life Support Organization directory (October 2015-December 2015). RESULTS: Of 733 eligible respondents, 226 (31%) completed the survey, 65% of whom routinely cared for pediatric patients...
March 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28040147/prenatal-diagnosis-of-low-level-mosaicism-for-trisomy-18-associated-with-a-favorable-fetal-outcome
#14
Chih-Ping Chen, Fang-Yu Hung, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Meng-Shan Lee, Chien-Wen Yang, Wayseen Wang
No abstract text is available yet for this article.
December 2016: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27987078/heterogeneous-diagnoses-underlying-radial-ray-anomalies
#15
Rosalba Sevilla-Montoya, Mónica Aguinaga, Alejandro Martínez, Guadalupe Razo, Bertha Molina, Sara Frías, Patricia Grether
OBJECTIVE: To review perinatal Radial Ray Anomaly (RRA) cases born at the National Institute of Perinatology, Mexico, and to reveal the heterogeneous diagnoses of these patients. METHODS: All patients with RRA over a 18 mo period were included; 4/15 were detected prenatally and 11/15 postnatally. Karyotype was performed for all patients with bilateral RRA; and chromosomal breakage analysis, when the karyotype was normal. RESULTS: Fifteen RRA patients were identified: one with trisomy 18, three with an isolated defect, six with monogenic disease, four with a genetic association and one with diabetic embryopathy...
December 17, 2016: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/27981672/performance-evaluation-of-the-neobona-test-a-new-paired-end-massive-parallel-shotgun-sequencing-approach-for-cfdna-based-aneuploidy-screening
#16
Vincenzo Cirigliano, Elena Ordoñez, Laura Rueda, Argyro Syngelaki, Kypros H Nicolaides
OBJECTIVE: To assess the performance of screening for fetal trisomies 21, 18 and 13 by cell-free DNA (cfDNA) analysis of maternal blood using a new method based on paired-end massive parallel shotgun sequencing (MPSS). METHODS: Blind study of 1000 plasma samples (1 mL) obtained from women undergoing screening for trisomies 21, 18 and 13 at 11-13 weeks' gestation. The study included 50 cases with confirmed fetal trisomy 21, 30 with trisomy 18, 10 with trisomy 13 and 910 unaffected pregnancies...
December 15, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27896246/quantitative-fluorescent-polymerase-chain-reaction-for-rapid-prenatal-diagnosis-of-fetal-aneuploidies-in-chorionic-villus-sampling-in-a-single-institution
#17
You Jung Shin, Jin Hoon Chung, Do Jin Kim, Hyun Mee Ryu, Moon Young Kim, Jung Yeol Han, June Seek Choi
OBJECTIVE: To validate quantitative fluorescent polymerase chain reaction (QF-PCR) via chorionic villus sampling (CVS) for the diagnosis of fetal aneuploidies. METHODS: We retrospectively reviewed the medical records of consecutive pregnant women who had undergone CVS at Cheil General Hospital between December 2009 and June 2014. Only cases with reported QF-PCR before long-term culture (LTC) for conventional cytogenetic analysis were included, and the results of these two methods were compared...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27889224/fetal-megacystis-a-systematic-review
#18
REVIEW
K Taghavi, C Sharpe, M D Stringer
Fetal megacystis is variably defined and understood. The literature on fetal megacystis was systematically reviewed, focusing on prenatal diagnosis, associations and outcomes. This yielded a total of 18 primary references and eight secondary references. Fetal megacystis has an estimated first-trimester prevalence of between 1:330 and 1:1670, with a male to female ratio of 8:1. In the first trimester, megacystis is most commonly defined as a longitudinal bladder dimension of ≥7 mm. Later in pregnancy, a sagittal dimension (in mm) greater than gestational age (in weeks) + 12 is often accepted...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27818252/associated-anomalies-in-cases-with-anotia-and-microtia
#19
Claude Stoll, Yves Alembik, Beatrice Dott, Marie-Paule Roth
Infants with anotia and microtia (AM) often have other non-AM associated congenital anomalies. The purpose of this investigation was to assess the prevalence and the types of these associated anomalies in a defined population. The associated anomalies in infants with AM were collected in all livebirths, stillbirths and terminations of pregnancy during 29 years in 387,067 consecutive births in the area covered by our population-based registry of congenital malformations. Of the 146 cases with AM registered during this period, representing a prevalence of 3...
December 2016: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/27816335/developmental-changes-in-aortic-mechanical-properties-in-normal-fetuses-and-fetuses-with-cardiovascular-disease
#20
Mio Taketazu, Masaya Sugimoto, Hirofumi Saiki, Hirotaka Ishido, Satoshi Masutani, Hideaki Senzaki
BACKGROUND: We hypothesized that fetal aortic mechanical properties assessed by aortic diameter (AoD) and flow show maturational changes during the gestational period, and that these properties are different in fetuses with congenital heart diseases and fetuses with normal development. METHODS: Phasic changes in ascending AoD along with Doppler flow profile were measured in 84 consecutive normal fetuses (gestational age, 18-36 weeks) and in 30 consecutive fetuses with cardiovascular diseases (gestational age, 22-39 weeks)...
September 28, 2016: Pediatrics and Neonatology
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