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Fetal arrhythmias

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https://www.readbyqxmd.com/read/29527577/detection-of-fetal-arrhythmia-using-optically-pumped-magnetometers
#1
Margo Batie, Sarah Bitant, Janette F Strasburger, Vishal Shah, Orang Alem, Ronald T Wakai
No abstract text is available yet for this article.
February 2018: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29458883/maternal-and-fetal-outcomes-in-pregnancies-with-pulmonary-hypertension-experience-of-a-tertiary-center
#2
Zehra Nihal Dolgun, Cihan Inan, N Cenk Sayin
OBJECTIVE: Pregnancies complicated with PHT are serious debates for obstetricians due to high maternal and fetal complication potentials. The aim of the study was to present our maternofetal outcomes in pregnant women with pulmonary hypertension. MATERIALS AND METHODS: This study was performed using data extracted from the medical files of 23 pregnancies of 18 patients with PHT who were followed-up in the obstetrics and gynecology department. RESULTS: The average age was 27...
February 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29440828/clinical-presentation-management-and-postnatal-outcomes-of-fetal-tachyarrhythmias-a-10-year-single-center-experience
#3
Balaganesh Karmegeraj, Sushmita Namdeo, Abish Sudhakar, Vivek Krishnan, Radhamany Kunjukutty, Balu Vaidyanathan
Background: Limited information is available regarding the prevalence and outcomes of fetal tachyarrhythmias from the developing countries. Aims: This study aims to report referral patterns, management protocols, and pregnancy outcomes of fetuses with tachyarrhythmias reporting to a single center in South India. Methods: All fetuses with documented sustained fetal tachyarrhythmia during the study period (2008-2017) were included. Arrhythmia characterization and hemodynamic evaluation were done using fetal echocardiography...
January 2018: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/29433462/early-onset-neonatal-hyperkalemia-associated-with-maternal-hypermagnesemia-a-case-report
#4
Kenichi Tanaka, Hiroko Mori, Rieko Sakamoto, Shirou Matsumoto, Hiroshi Mitsubuchi, Kimitoshi Nakamura, Masanori Iwai
BACKGROUND: Neonatal nonoliguric hyperkalemia (NOHK) is a metabolic abnormality that occurs in extremely premature neonates at approximately 24 h after birth and is mainly due to the immature functioning of the sodium (Na + )/potassium (K + ) pump. Magnesium sulfate is frequently used in obstetrical practice to prevent preterm labor and to treat preeclampsia; this medication can also cause hypermagnesemia and hyperkalemia by a mechanism that is different from that of NOHK. Herein, we report the first case of very early-onset neonatal hyperkalemia induced by maternal hypermagnesemia...
February 13, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29415597/prediction-of-postnatal-arrhythmia-in-fetuses-with-cardiac-rhabdomyoma
#5
Tetsuya Ide, Takekazu Miyoshi, Shinji Katsuragi, Reiko Neki, Ken-Ichi Kurosaki, Isao Shiraishi, Jun Yoshimatsu, Tomoaki Ikeda
OBJECTIVES: Fetal cardiac rhabdomyomas are rare but well known to be associated with arrhythmia or conduction abnormalities. However, since in utero electrophysiological information is quite limited, it remains unclear which type of rhabdomyoma will develop arrhythmia after birth. The aim of this study is to identify factors that predict postnatal arrhythmia requiring therapy in fetuses with cardiac rhabdomyoma. STUDY DESIGN: A retrospective review of infants prenatally diagnosed with cardiac rhabdomyoma was performed at our tertiary pediatric cardiac center between 1990 and 2016...
February 7, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29400413/pregnancy-and-delivery-outcomes-from-patients-with-repaired-anomalous-origin-of-the-left-coronary-artery-from-the-pulmonary-artery
#6
Miki Kanoh, Kei Inai, Tokuko Shinohara, Eriko Shimada, Mikiko Shimizu, Hirofumi Tomimatsu, Masaki Ogawa, Toshio Nakanishi
AIM: We investigated the clinical courses before and during pregnancy and after delivery in patients with repaired anomalous origin of the left coronary artery from the pulmonary artery to determine the impact of the hemodynamic changes and cardiac function on the selection of the appropriate mode of delivery. METHODS: Six patients who underwent coronary artery reimplantation delivered 10 infants. We scrutinized the patients' hemodynamic changes on echocardiographs and the plasma brain natriuretic peptide levels before and during pregnancy and after delivery, the perinatal outcomes and maternal and fetal events...
February 5, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29317337/heart-and-bile-acids-clinical-consequences-of-altered-bile-acid-metabolism
#7
REVIEW
Tharni Vasavan, Elisa Ferraro, Effendi Ibrahim, Peter Dixon, Julia Gorelik, Catherine Williamson
Cardiac dysfunction has an increased prevalence in diseases complicated by liver cirrhosis such as primary biliary cholangitis and primary sclerosing cholangitis. This observation has led to research into the association between abnormalities in bile acid metabolism and cardiac pathology. Approximately 50% of liver cirrhosis cases develop cirrhotic cardiomyopathy. Bile acids are directly implicated in this, causing QT interval prolongation, cardiac hypertrophy, cardiomyocyte apoptosis and abnormal haemodynamics of the heart...
April 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29290336/genome-wide-study-of-atrial-fibrillation-identifies-seven-risk-loci-and-highlights-biological-pathways-and-regulatory-elements-involved-in-cardiac-development
#8
Jonas B Nielsen, Lars G Fritsche, Wei Zhou, Tanya M Teslovich, Oddgeir L Holmen, Stefan Gustafsson, Maiken E Gabrielsen, Ellen M Schmidt, Robin Beaumont, Brooke N Wolford, Maoxuan Lin, Chad M Brummett, Michael H Preuss, Lena Refsgaard, Erwin P Bottinger, Sarah E Graham, Ida Surakka, Yunhan Chu, Anne Heidi Skogholt, Håvard Dalen, Alan P Boyle, Hakan Oral, Todd J Herron, Jacob Kitzman, José Jalife, Jesper H Svendsen, Morten S Olesen, Inger Njølstad, Maja-Lisa Løchen, Aris Baras, Omri Gottesman, Anthony Marcketta, Colm O'Dushlaine, Marylyn D Ritchie, Tom Wilsgaard, Ruth J F Loos, Timothy M Frayling, Michael Boehnke, Erik Ingelsson, David J Carey, Frederick E Dewey, Hyun M Kang, Gonçalo R Abecasis, Kristian Hveem, Cristen J Willer
Atrial fibrillation (AF) is a common cardiac arrhythmia and a major risk factor for stroke, heart failure, and premature death. The pathogenesis of AF remains poorly understood, which contributes to the current lack of highly effective treatments. To understand the genetic variation and biology underlying AF, we undertook a genome-wide association study (GWAS) of 6,337 AF individuals and 61,607 AF-free individuals from Norway, including replication in an additional 30,679 AF individuals and 278,895 AF-free individuals...
January 4, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29225683/concurrent-maternal-and-fetal-tachyarrhythmia-in-pregnancy
#9
Nadia Gabarin, Edgar T Jaeggi, Danna A Spears, Mathew Sermer, Candice K Silversides, Catriona J Bhagra
The occurrence of a maternal and fetal tachyarrhythmia together in pregnancy is exceedingly rare. We report a case of a persistent fetal atrial ectopic tachycardia occurring in conjunction with a maternal atrial tachycardia with left ventricular systolic dysfunction. Amiodarone was effective in treating both maternal and fetal arrhythmias.
December 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/29212791/perinatal-inflammation-induces-sex-related-differences-in-cardiovascular-morbidities-in-mice
#10
Markus Velten, Kathryn Marie Heyob, Loren E Wold, Lynette K Rogers
Sex-related differences in cardiovascular health and disease have been identified with males having a higher incidence of cardiovascular events but females more likely to develop arrhythmias. Adverse fetal environments are now accepted as a cause for the development of cardiovascular diseases in adulthood but sex-related differences in response to adverse fetal environments have not been extensively explored. The combination of both in utero and postnatal exposure to inflammation is highly clinically relevant for the infant that is born preterm or has clinical complications at birth or early postnatal life...
December 6, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29209071/inhaled-nicotine-equivalent-to-cigarette-smoking-disrupts-systemic-and-uterine-hemodynamics-and-induces-cardiac-arrhythmia-in-pregnant-rats
#11
Xuesi M Shao, Héctor E López-Valdés, Jing Liang, Jack L Feldman
Maternal smoking with obligatory nicotine inhalation is associated with preterm delivery, low birth weight, fetal growth retardation and developmental defects. We tested the hypothesis that cigarette smoking-relevant nicotine inhalation during pregnancy impairs cardiovascular function and uterine hemodynamics with consequential fetal ischemia. Pregnant rats exposed to episodic inhaled nicotine via a novel lung alveolar region-targeted aerosol method produced nicotine pharmacokinetics resembling cigarette smoking in humans...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29198533/usefulness-of-routine-transtelephonic-monitoring-for-supraventricular-tachycardia-in-infants
#12
Jonathan Yaari, Dorota Gruber, Andrew D Blaufox
OBJECTIVE: We hypothesize that routine daily transtelephonic monitoring (TTM) transmissions can accurately detect supraventricular tachycardia (SVT) in asymptomatic infants and/or assuage parental concerns rather than being used solely to diagnose arrhythmias. STUDY DESIGN: Single center, retrospective chart review of 60 patients with fetal or infant SVT prescribed TTM for at least 30 days, January 2010-September 2016. Patients were excluded if initial SVT was not documented, was perioperative, was atrial flutter/fibrillation, or chaotic atrial tachycardia...
February 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29166205/pregnant-women-with-heart-disease-placental-characteristics-and-their-association-with-fetal-adverse-events
#13
Fabio V Lima, Paraskevi Koutrolou-Sotiropoulou, Puja B Parikh, Cecilia Avila, Javed Butler, Kathleen Stergiopoulos
BACKGROUND: Pregnant women with heart disease (HD) have higher rates of adverse fetal outcomes. We describe placental pathologic characteristics and their association with fetal events. METHODS: In pregnant women, known HD were categorized into: (1) cardiomyopathy (CM) or (2) other HD (congenital, coronary, arrhythmia, or valvular). Outcomes were maternal major adverse cardiac events (MACE), fetal adverse clinical events (FACE), a composite of infant death, prematurity, underweight status, intracranial hemorrhage, and respiratory distress...
September 2016: Acute Cardiac Care
https://www.readbyqxmd.com/read/29136712/-long-term-outcome-and-prognostic-factors-in-pregnant-women-with-pulmonary-arterial-hypertension-associated-with-congenital-heart-disease
#14
Q T Ou, J K Lu, J Zhang, Y Chen, Q Li, J L Zhang
Objective: To investigate the perinatal outcome, risk factors and long-term outcome of pregnancy complicated with pulmonary arterial hypertension(PAH) and congenital heart diseases (CHD). Methods: Clinical data of 110 pregnant women who were diagnosed as PAH-CHD were retrospectively analyzed in the Department of Obstetrics and Gynecology and Surgical Intensive Care Unit at Beijing Anzhen Hospital from 2004 to 2013. The survival and treatment status were followed up. Results: 110 subjects consisted of 11 mild PAH, 33 moderate and 66 severe ones...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29075204/human-cardiomyocyte-progenitor-cells-in-co-culture-with-rat-cardiomyocytes-form-a-pro-arrhythmic-substrate-evidence-for-two-different-arrhythmogenic-mechanisms
#15
Nicoline W Smit, Lucia Cócera Ortega, Anna M D Végh, Veronique M F Meijborg, Anke M Smits, Mischa Klerk, Anke J M Tijsen, Hanno L Tan, Marie-José H T Goumans, Gerard J J Boink, Ruben Coronel
Background: Cardiomyocyte progenitor cells (CMPCs) are a promising cell source for regenerative cell therapy to improve cardiac function after myocardial infarction. However, it is unknown whether undifferentiated CMPCs have arrhythmogenic risks. We investigate whether undifferentiated, regionally applied, human fetal CMPCs form a pro-arrhythmic substrate in co-culture with neonatal rat ventricular myocytes (NRVMs). Method: Unipolar extracellular electrograms, derived from micro-electrode arrays (8 × 8 electrodes) containing monolayers of NRVMs (control), or co-cultures of NRVMs and locally seeded CMPCs were used to determine conduction velocity and the incidence of tachy-arrhythmias...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29066439/pulmonary-hypertension-and-pregnancy-outcomes-insights-from-the-national-inpatient-sample
#16
Erin Thomas, Jie Yang, Jianjin Xu, Fabio V Lima, Kathleen Stergiopoulos
BACKGROUND: Pregnant women with pulmonary hypertension (PH) are at risk for adverse cardiac outcomes, particularly at the time of labor and delivery. The purpose of this study is to define the impact of PH on pregnancy outcomes and the risk of major adverse cardiac events (MACE). METHODS AND RESULTS: The National Inpatient Sample was screened for hospital admissions of women delivering during the years 2003 to 2012. The primary outcome was MACE, a composite of death, cardiac arrest, cardiogenic shock, myocardial infarction, respiratory failure, arrhythmia, stroke, and embolic event...
October 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29061979/hipsc-cm-monolayer-maturation-state-determines-drug-responsiveness-in-high-throughput-pro-arrhythmia-screen
#17
André Monteiro da Rocha, Katherine Campbell, Sergey Mironov, Jiang Jiang, Lakshmi Mundada, Guadalupe Guerrero-Serna, José Jalife, Todd J Herron
Human induced pluripotent stem cell derived cardiomyocytes (hiPSC-CMs) offer a novel in vitro platform for pre-clinical cardiotoxicity and pro-arrhythmia screening of drugs in development. To date hiPSC-CMs used for cardiotoxicity testing display an immature, fetal-like cardiomyocyte structural and electrophysiological phenotype which has called into question the applicability of hiPSC-CM findings to the adult heart. The aim of the current work was to determine the effect of cardiomyocyte maturation state on hiPSC-CM drug responsiveness...
October 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29054041/cardiovascular-obstetric-and-neonatal-outcomes-in-women-with-previous-fontan-repair
#18
REVIEW
S J Bonner, O Asghar, A Roberts, S Vause, B Clarke, B Keavney
OBJECTIVES: To determine cardiovascular, obstetric and neonatal outcomes of pregnancies in women who have a Fontan circulation. METHODS: A retrospective case note review of all women with a Fontan circulation who attended the joint obstetric cardiac antenatal clinic at St Mary's Hospital, Manchester (UK) between 2004 and 2016 was performed. RESULTS: In total, there were 19 pregnancies in 9 women with a history of Fontan repair. 23 women with univentricular physiology attended in this time period...
December 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29045943/reference-ranges-for-fetal-atrioventricular-and-ventriculoatrial-time-intervals-and-their-ratios-during-normal-pregnancy
#19
Beatrice Mosimann, Georgios Arampatzis, Sofia Amylidi-Mohr, Anice Bessire, Marialuigia Spinelli, Petros Koumoutsakos, Daniel Surbek, Luigi Raio
BACKGROUND: The diagnostic assessment of fetal arrhythmias relies on the measurements of atrioventricular (AV) and ventriculoatrial (VA) time intervals. Pulsed Doppler over in- and outflow of the left ventricle and tissue Doppler imaging are well-described methods, while Doppler measurements between the left brachiocephalic vein and the aortic arch are less investigated. The aim of this study was to compare these methods of measurement, to find influencing factors on AV and VA times and their ratio, and to create reference ranges...
October 19, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29037169/left-ventricular-non-compaction-cardiomyopathy-with-coronary-artery-anomaly-complicated-by-ventricular-tachycardia
#20
Gustav Mattsson, Abdullah Baroudi, Hoshmand Tawfiq, Peter Magnusson
BACKGROUND: Non-compaction cardiomyopathy (NCCM) is characterized by prominent trabeculations, deep intertrabecular recesses, and a thick non-compacted endocardial myocardium. Prevalence in the general population remains unclear, but echocardiography series report 0.05%. During fetal development muscle fibers and trabeculae should compact into a solid myocardium and when this fails, NCCM occurs. The condition is genetic, even though acquired forms have been described. Worsening myocardial dysfunction may lead to heart failure and/or arrhythmias...
October 16, 2017: BMC Cardiovascular Disorders
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