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https://www.readbyqxmd.com/read/28212445/long-term-effects-of-fetal-undernutrition-on-rat-heart-role-of-hypertension-and-oxidative-stress
#1
Pilar Rodríguez-Rodríguez, Angel L López de Pablo, Concha F García-Prieto, Beatriz Somoza, Begoña Quintana-Villamandos, José J Gómez de Diego, Perla Y Gutierrez-Arzapalo, David Ramiro-Cortijo, M Carmen González, Silvia M Arribas
BACKGROUND AND AIMS: Fetal undernutrition is a risk factor for heart disease in both genders, despite the protection of women against hypertension development. Using a rat model of maternal undernutrition (MUN) we aimed to assess possible sex differences in the development of cardiac alterations and the implication of hypertension and cardiac oxidative stress. METHODS: Male and female offspring from rats fed ad libitum (control) or with 50% of the normal daily intake during the second half of gestation (MUN) were used...
2017: PloS One
https://www.readbyqxmd.com/read/28211989/timothy-syndrome-1-genotype-without-syndactyly-and-major-extracardiac-manifestations
#2
Róbert Sepp, Lidia Hategan, Attila Bácsi, Judit Cseklye, László Környei, János Borbás, Márta Széll, Tamás Forster, István Nagy, Zoltán Hegedűs
Timothy syndrome 1 (TS1) is a rare genetic disorder characterized by multisystem abnormalities including QT prolongation, congenital heart defects, facial dysmorphism, episodic hypoglycemia, and neurological symptoms. A morphological hallmark of TS1 is syndactyly, present in all cases. TS1 is caused by the canonical p.Gly406Arg mutation in the alternatively spliced exon 8A in the CACNA1C gene, encoding for the main cardiac L-type calcium channel. A variant case of TS1 is reported. The proband had intermittent fetal bradycardia with heart rate of 72 bpm...
March 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28208963/clinical-profile-of-cardiac-arrhythmias-in-children-attending-the-out-patient-department-of-a-tertiary-paediatric-care-centre-in-chennai
#3
Sarala Premkumar, Premkumar Sundararajan, Thangavelu Sangaralingam
INTRODUCTION: The presentation of symptoms of paediatric arrhythmias vary depending on the age and underlying heart disease. Physical examination of children with important arrhythmias may be entirely normal. AIM: Aim is to study the characteristics of cardiac arrhythmias in paediatric patients in a tertiary paediatric care centre in Chennai, India. MATERIALS AND METHODS: The participants (n=60) were from birth to 12 years of age. Patients with sinus arrhythmias, sinus tachycardia and sinus bradycardia were excluded...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207948/right-sided-aortic-arch-in-the-age-of-microarray
#4
Edward F O'Mahony, Darren P Hutchinson, George McGillivray, Debbie L Nisbet, Ricardo Palma-Dias
OBJECTIVE: For fetuses with a diagnosis of right aortic arch and normal cardiac anatomy we aimed to establish the frequency of chromosomal anomaly diagnosed with SNP microarray analysis, particularly focusing on microduplications or microdeletions which would have gone undetected by conventional karyotyping and 6 probe fish (13,18,21, X,Y, TUPLE). METHOD: Retrospective study of fetal ultrasounds between 2011 and 2016 in an Australian tertiary referral centre. Outcomes of interest were survival and postnatal surgery for vascular ring...
February 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28202385/long-term-consequences-of-disrupting-adenosine-signaling-during-embryonic-development
#5
REVIEW
Scott A Rivkees, Christopher C Wendler
There is growing evidence that disruption in the prenatal environment can have long-lasting effects on an individual's health in adulthood. Research on the fetal programming of adult diseases, including cardiovascular disease, focuses on epi-mutations, which alter the normal pattern of epigenetic factors such as DNA methylation, miRNA expression, or chromatin modification, rather than traditional genetic alteration. Thus, understanding how in utero chemical exposures alter epigenetics and lead to adult disease is of considerable public health concern...
February 12, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28197939/prenatal-counseling-of-fetal-congenital-heart-disease
#6
REVIEW
Caroline K Lee
The field of fetal cardiology has advanced greatly over the last two decades and congenital heart defects can now be identified in utero with a high level of accuracy. Prenatal counseling of parents given the news of a fetal cardiac defect is an important role of the fetal cardiologist. Prenatal counseling is a complex task that requires skill to perform and interpret fetal echocardiograms, an understanding of fetal and postnatal cardiovascular physiology, knowledge of therapeutic and surgical options, and of long-term outcomes including quality of life...
January 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28194919/management-of-pulmonary-vasodilator-therapy-in-three-pregnancies-with-pulmonary-arterial-hypertension
#7
Atsushi Daimon, Chizuko A Kamiya, Naoko Iwanaga, Tomoaki Ikeda, Norifumi Nakanishi, Jun Yoshimatsu
Pregnancy with pulmonary arterial hypertension (PAH) has a significantly high risk of maternal death and women with PAH are basically advised to avoid pregnancy. Recently, several reports have described pregnant women with PAH who were treated with pulmonary vasodilators during pregnancy and delivered safely. However, the efficacy of this treatment during pregnancy is still not clear. Here we report on the short-term outcomes of three primiparous women with PAH who were prescribed pulmonary vasodilator therapy during their pregnancies...
February 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28192373/cardiac-nuclear-receptors-architects-of-mitochondrial-structure-and-function
#8
Rick B Vega, Daniel P Kelly
The adult heart is uniquely designed and equipped to provide a continuous supply of energy in the form of ATP to support persistent contractile function. This high-capacity energy transduction system is the result of a remarkable surge in mitochondrial biogenesis and maturation during the fetal-to-adult transition in cardiac development. Substantial evidence indicates that nuclear receptor signaling is integral to dynamic changes in the cardiac mitochondrial phenotype in response to developmental cues, in response to diverse postnatal physiologic conditions, and in disease states such as heart failure...
February 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28188773/maternal-buprenorphine-treatment-and-fetal-neurobehavioral-development
#9
Lauren M Jansson, Martha Velez, Krystle McConnell, Nancy Spencer, Michelle Tuten, Hendree E Jones, Van L King, Neeraj Gandotra, Lorraine A Milio, Kristin Voegtline, Janet A DiPietro
BACKGROUND: Gestational opioid use/misuse is escalating in the United States, however, little is understood about the fetal effects of medications used to treat maternal opioid use disorders. OBJECTIVE: The purpose of this study was to determine the effect of maternal buprenorphine administration on longitudinal fetal neurobehavioral development. STUDY DESIGN: Forty-nine buprenorphine-maintained women attending a substance use disorder treatment facility with generally uncomplicated pregnancies underwent fetal monitoring for 60 minutes at times of trough and peak maternal buprenorphine levels...
February 7, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28186601/-analysis-of-the-cause-of-pregnancy-failure-with-combined-mlpa-assay-for-subtelomeric-regions-and-ultrasonography
#10
Ying Zhao, Jiwu Lou, Manna Sun, Youqing Fu, Yanhui Liu
OBJECTIVE: To explore the value of multiplex ligation-dependent probe amplification (MLPA) for the detection of chromosome abnormalities in miscarriage tissues, and to correlate the result with ultrasound findings. METHODS: A total of 421 cases of spontaneous abortions and fetal deaths were detected with the MLPA method. RESULTS: Among the 421 samples, 232 (55.11%) had an abnormal MLPA result. For the 286 cases derived from < 13 weeks pregnancy, 206 (72...
February 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28186000/monitoring-fetal-maturation-objectives-techniques-and-indices-of-autonomic-function
#11
Dirk Hoyer, Jan Zebrowski, Dirk Cysarz, Hernani Goncalves, Adelina Pytlik, Celia Amorim-Costa, Joao Bernardes, Diogo Ayres-de-Campos, Otto Witte, Ekkehard Schleussner, Lisa Stroux, Christopher Redman, Antoniya Georgieva, Stephen Payne, Gari Clifford, Maria Signorini, Giovanni Magenes, Fernando Andreotti, Hagen Malberg, Sebastian Zaunseder, Igor Lakhno, Uwe Schneider
Monitoring the fetal behavior does not only have implications for acute care but also for identifying developmental disturbances that burden the entire later life. The concept, of "fetal programming", also known as "developmental origins of adult disease hypothesis", e.g. applies for cardiovascular, metabolic, hyperkinetic, cognitive disorders. Since the autonomic nervous system is involved in all of those systems, cardiac autonomic control may provide relevant functional diagnostic and prognostic information...
February 10, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28182551/fetal-qt-interval-estimation-using-sequential-hypothesis-testing
#12
Suhong Yu, Barry VanVeen, William Lutter, Ronald Wakai
OBJECTIVE: Recent studies utilizing fetal magnetocardiography have demonstrated the efficacy of corrected QT interval (QTc) measurement for in utero diagnosis and prognosis of long QT syndrome, a leading cause of sudden death in early life. The objective of the study was to formulate and test a novel statistical estimation method to detect the end of the fetal T-wave and thereby improve the accuracy of fetal QT interval measurement. METHODS: To detect the end of the T-wave we apply a sequential composite hypothesis test to decide when the T-wave has returned to baseline...
February 2, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28181589/developmental-stage-dependent-effects-of-cardiac-fibroblasts-on-function-of-stem-cell-derived-engineered-cardiac-tissues
#13
Brian Liau, Christopher P Jackman, Yanzhen Li, Nenad Bursac
We investigated whether the developmental stage of mouse cardiac fibroblasts (CFs) influences the formation and function of engineered cardiac tissues made of mouse embryonic stem cell-derived cardiomyocytes (mESC-CMs). Engineered cardiac tissue patches were fabricated by encapsulating pure mESC-CMs, mESC-CMs + adult CFs, or mESC-CMs + fetal CFs in fibrin-based hydrogel. Tissue patches containing fetal CFs exhibited higher velocity of action potential propagation and contractile force amplitude compared to patches containing adult CFs, while pure mESC-CM patches did not form functional syncytium...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28180202/applicability-and-technical-aspects-of-two-dimensional-ultrasonography-for-assessment-of-fetal-heart-function
#14
REVIEW
Nathalie Jeanne Bravo-Valenzuela, Alberto Borges Peixoto, Luciano Marcondes Nardozza, Alex Sandro Souza, Edward Araujo Júnior
In recent years, fetal echocardiography has been used for the screening and diagnosis of anatomical heart defects and for the detailed study of fetal cardiac function. This method is characterized by its easy implementation and good reproducibility, allowing the diagnosis of myocardial dysfunction even in its subclinical phase. The functional assessment of the fetal heart should be routinely performed in fetuses with congenital heart disease and those without anatomical malformation. Several extra-cardiac conditions may alter fetal cardiac function, by increased placental resistance, volume overload or hyperdynamic circulation, compression, or maternal systemic disease with involvement of the fetal myocardium...
January 31, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28178047/takotsubo-syndrome-after-cardiopulmonary-resuscitation-during-emergency-cesarean-delivery
#15
Katrina Kraft, Matthias Graf, Martin Karch, Ricardo Felberbaum
BACKGROUND: Takotsubo syndrome is a rare, stress-related, and reversible form of acute heart failure primarily affecting postmenopausal women. It is characterized by left ventricular dysfunction with a classic apical and midventricular wall motion abnormality (apical ballooning). CASE: A 28-year-old woman, gravida 2 para 1, at 30 4/7 weeks of gestation was admitted with fetal bradycardia, a fully dilated cervix, and breech presentation. During emergency cesarean delivery, the patient had intraoperative cardiac arrest...
February 6, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28177551/the-significance-of-a-prenatal-diagnosis-of-right-aortic-arch
#16
Anna Wójtowicz, Maria Respondek-Liberska, Maciej Słodki, Paulina Kordjalik, Joanna Płużańska, Anna Knafel, Hubert Huras
OBJECTIVES: To analyze a population of fetuses with prenatally diagnosed right aortic arch (RAA). METHODS: Retrospective study of fetuses with RAA diagnosed prenatally between 2011 and 2015 in 2 referral centers. RESULTS: RAA was found in 4.4% (46/1036) of fetuses with cardiovascular abnormalities (CVA). As an isolated anomaly, RAA was present in 30.4% of cases; in 32.6%, other CVA were detected; in 23.9%, CVA and extracardiac anomalies; and in 13...
February 8, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28174241/development-of-a-human-cardiac-organoid-injury-model-reveals-innate-regenerative-potential
#17
Holly K Voges, Richard J Mills, David A Elliott, Robert G Parton, Enzo R Porrello, James E Hudson
The adult human heart possesses a limited regenerative potential following an ischemic event, and undergoes a number of pathological changes in response to injury. While cardiac regeneration has been documented in zebrafish and neonatal mouse hearts, it is currently unknown whether the immature human heart is capable of undergoing complete regeneration. Combined progress in pluripotent stem cell differentiation and tissue engineering has facilitated the development of human cardiac organoids (hCO), which resemble fetal heart tissue and can be used to address this important knowledge gap...
February 7, 2017: Development
https://www.readbyqxmd.com/read/28163434/aortic-and-pulmonary-artery-calcification-an-unusual-manifestation-of-twin-to-twin-transfusion-syndrome
#18
Sumitra Venkatesh, J Sanyukta, S Jain, S S Prabhu, S Kulkarni
Twin-to-twin transfusion syndrome (TTTS) at times complicates monochorionic twin gestations, resulting in conditions ranging from discordant sizes to fetal demise of one baby. Various types of cardiac defects have been described in the recipient twin of this syndrome. Isolated great artery calcification, i.e. aortic and pulmonary artery calcification is one such uncommon condition associated with TTTS. Calcification of the walls of great vessels may be due to chronic vascular injury sustained as a result of circulatory volume overload in the recipient twin...
January 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28152243/self-gated-fetal-cardiac-mri-with-tiny-golden-angle-igrasp-a-feasibility-study
#19
Kostas Haris, Erik Hedström, Sebastian Bidhult, Frederik Testud, Nicos Maglaveras, Einar Heiberg, Stefan R Hansson, Håkan Arheden, Anthony H Aletras
PURPOSE: To develop and assess a technique for self-gated fetal cardiac cine magnetic resonance imaging (MRI) using tiny golden angle radial sampling combined with iGRASP (iterative Golden-angle RAdial Sparse Parallel) for accelerated acquisition based on parallel imaging and compressed sensing. MATERIALS AND METHODS: Fetal cardiac data were acquired from five volunteers in gestational week 29-37 at 1.5T using tiny golden angles for eddy currents reduction. The acquired multicoil radial projections were input to a principal component analysis-based compression stage...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28151919/prenatal-diagnoses-of-an-uncommon-isolated-obstructed-supracardiac-total-anomalous-pulmonary-venous-connection-case-report-and-review-of-the-literature-care-compliant
#20
Iolanda Muntean, Claudiu Mărginean, Răzvan Stanca, Rodica Togănel, Marian Pop, Liliana Gozar
INTRODUCTION: Total anomalous pulmonary venous connection is an uncommon congenital heart disease. Four types are described based on the site of pulmonary venous drainage: supracardiac, cardiac, infradiaphragmathic, and mixed connection. In most cases of supracardiac type, the common venous confluence drains through an ascending left vertical vein into the brachiocephalic vein, right superior vena cava, and then into the right atrium. Anomalous connection of the pulmonary venous confluence directly to the right SVC, especially the obstructed form is an unusual and severe supracardiac variant...
February 2017: Medicine (Baltimore)
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