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Pediatric heart valve

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https://www.readbyqxmd.com/read/29908036/acquired-von-willebrand-syndrome-in-congenital-heart-disease-surgery-results-from-an-observational-case-series
#1
Vanya Icheva, Martina Nowak-Machen, Ulrich Budde, Karl Jaschonek, Felix Neunhoeffer, Matthias Kumpf, Michael Hofbeck, Christian Schlensak, Gesa Wiegand
BACKGROUND: Cardiac surgery of the newborn and infant with complex congenital heart disease (CHD) is associated with a high rate of intraoperative bleeding complications. CHD-related anatomic features such as valve stenoses or patent arterial ducts can lead to enhanced shear stress in blood stream and thus cause acquired von Willebrand syndrome (aVWS). OBJECTIVE: To evaluate the intraoperative incidence and impact of aVWS after cardiopulmonary bypass (CPB) in neonates and infants with complex CHD...
June 16, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29886664/-the-experience-of-surgical-treatment-for-ebstein-anomaly-in-141-children
#2
X F Yu, L S Qiu, J F Liu, X Liu, H F Hong
Objective: To explore the surgical strategy for Ebstein anomaly in children. Methods: From January 2003 to December 2015, a total of 141 cases of Ebstein anomaly were treated at Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiaotong University. There were 65 male and 76 female patients, with age of (6.9±1.6) years (ranging from 10 months to 15 years), weight of (19.6±4.7) kg (ranging from 6.5 to 59.0 kg). All patients were diagnosed by 2 dimensional Doppler echocardiography and the septal leaflet and posterior leaflet displaced downward from 1...
June 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29886608/-prenatal-interventional-therapy-in-two-cases-with-critical-pulmonary-stenosis-or-pulmonary-atresia-with-intact-ventricular-septum
#3
C C Pang, W Pan, Z W Zhang, C B Zhou, Y F Li, X Zhang, F Z Han, Y X Sun, S Wang, J Zhuang
Objectives: Two cases who underwent fetal pulmonary valvuloplasty (FPV) for pulmonary atresia with intact ventricular septum (PA-IVS) or critical pulmonary stenosis with intact ventricular septum (CPS-IVS) successfully were reported. The aim of the report was to explore the criteria for case selection, the technical essentials of FPV, and the postpartum outcome of the fetus. Methods: One case with PA-IVS and the other with CPS-IVS were enrolled in September 2016 and February 2017 in Guangdong General Hospital, and both cases were diagnosed with severe right ventricular dysplasia and tricuspid regurgitation by fetal echocardiogram...
June 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29808135/uncommon-infections-in-children-suggest-underlying-immunodeficiency-a-case-of-infective-endocarditis-in-a-3-year-old-male
#4
Aisha Shakoor, Ahmed El-Isa, Elizabeth Kinsella, Ryan Halas, Andrey Leonov
Infective endocarditis (IE) results from bacterial or fungal infection and is associated with significant morbidity and mortality. Several known risk factors exist for endocarditis, and 90% of pediatric cases have an underlying structural or congenital heart disease or prosthetic heart valve. Literature on IE in previously healthy children is relatively sparse, and the pathogenesis and underlying risk factors remain mostly unknown. Our patient was a 3-year-old male with a unique presentation of IE. His lack of structural and congenital risk factors for endocarditis prompted further workup, and labs were consistent with insufficient immunoglobulin, suggesting a primary immunodeficiency (PAD)...
2018: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/29770299/regenerative-medicine-therapy-for-single-ventricle-congenital-heart-disease
#5
REVIEW
Chetan Ambastha, Gregory J Bittle, David Morales, Nathaniel Parchment, Progyaparamita Saha, Rachana Mishra, Sudhish Sharma, Alexander Vasilenko, Muthukumar Gunasekaran, Manal T Al-Suqi, Deqiang Li, Peixin Yang, Sunjay Kaushal
One of the most complex forms of congenital heart disease (CHD) involving single ventricle physiology is hypoplastic left heart syndrome (HLHS), characterized by underdevelopment of the left ventricle (LV), mitral and aortic valves, and narrowing of the ascending aorta. The underdeveloped LV is incapable of providing long-term systemic flow, and if left untreated, the condition is fatal. Current treatment for this condition consists of three consecutive staged palliative operations: the first is conducted within the first few weeks of birth, the second between 4 to 6 months, and the third and final surgery within the first 4 years...
April 2018: Translational Pediatrics
https://www.readbyqxmd.com/read/29705358/abdominal-pain-of-cardiovascular-origin
#6
Pedro Epifânio, Maria Emanuel Amaral, Natália Noronha, Paula Martins, Dina Rodrigues, António Pires, Eduardo Castela
Infective endocarditis is a microbial infection of the endocardium and it is rare in the pediatric population. In children, congenital heart disease is one of the most important risk factors for developing infective endocarditis and can involve other structures in addition to cardiac valves. The prognosis is generally better than in other forms of endocarditis, although the average mortality rate in the pediatric population is 15-25%. Clinical manifestations can mimic other diseases such as meningitis and collagen-vascular disease or vasculitis...
April 25, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29694606/cardiovascular-abnormalities-in-patients-with-oral-cleft-a-clinical-electrocardiographic-echocardiographic-study
#7
Gisele C P Leite, Marcela A G Ururahy, João F Bezerra, Valéria M G D M Lima, Maria I F Costa, Sandra S C Freire, André D Luchessi, Jussara M C Maia, Maria E F Brito, Vera L Gil-da-Silva-Lopes, Adriana A Rezende
OBJECTIVES: The present study aims to describe the clinical, electrocardiographic, and echocardiographic cardiological findings in a group of patients with oral clefts. METHODS: This is a prospective cross-sectional study on 70 children (age range from 13 days to 19 years) with oral clefts who attended the multidisciplinary program of a university hospital from March 2013 to September 2014. The patients were evaluated by a pediatric cardiologist and underwent detailed anamnesis, physical examination, electrocardiogram, and echocardiogram...
2018: Clinics
https://www.readbyqxmd.com/read/29667250/a-new-2d-echocardiographic-approach-to-evaluate-the-membrane-and-valve-movement-of-the-berlin-heart-excor-vad-chamber-in-pediatric-vad-patients
#8
Arianna Di Molfetta, Roberta Iacobelli, Gianfranco Ferrari, Sergio Filippelli, Gianluigi Perri, Alessandra Toscano, Rachele Adorisio, Paolo Guccione, Antonio Amodeo
The use of Berlin Heart EXCOR VAD (BH) is a validated therapy to bridge pediatric patients to heart transplant. Serial echocardiographic (ECHO) assessment of VAD patients is necessary to support patients' management. This work aims at developing an innovative strategy to evaluate the BH device functioning by ECHO and its interaction with the native heart in a pediatric population. ECHO evaluation of BH membrane movement, and inflow and outflow valves was performed in 2D, 2D-color Doppler, M-mode, and M-mode color Doppler to assess the functioning of the device by direct positioning of the ECHO probe on the BH cannulas and membranes...
April 2018: Artificial Organs
https://www.readbyqxmd.com/read/29577408/the-role-of-intraoperative-epicardial-echocardiography-in-pediatric-cardiac-surgery
#9
Erkut Ozturk, Ibrahim Cansaran Tanidir, Pelin Ayyildiz, Selman Gokalp, Hasan Candas Kafali, Murat Sahin, Yakup Ergul, Sertac Haydin, Alper Guzeltas
AIM: Our aim was to evaluate the findings and the role of intraoperative epicardial echocardiography (IEE) in the management of pediatric cardiac surgery patients. METHODS: Patients evaluated with IEE between December 2015 and December 2017 were analyzed retrospectively. Demographic data, preoperative transthoracic echocardiography (TTE), and IEE reports were evaluated. RESULTS: A total of 410 patients evaluated by IEE were included in the study...
March 25, 2018: Echocardiography
https://www.readbyqxmd.com/read/29572879/patient-specific-atrial-hemodynamics-of-a-double-lumen-neonatal-cannula-in-correct-caval-position
#10
Jamil Muhammad, Mohammad Rezaeimoghaddam, Bilgesu Cakmak, Reza Rasooli, Ece Salihoglu, Yahya Yıldız, Kerem Pekkan
Clinical success of pediatric veno-venous (VV) extracorporeal membrane oxygenation (ECMO) is associated with the double lumen cannula cardiovascular device design as well as its anatomic orientation in the atrium. The positions of cannula ports with respect to the vena cavae and the tricuspid valve are believed to play a significant role on device hemodynamics. Despite various improvements in ECMO catheters, especially for the neonatal and congenital heart patients, it is still challenging to select a catalogue size that would fit to most patients optimally...
April 2018: Artificial Organs
https://www.readbyqxmd.com/read/29546472/transcatheter-pulmonary-valve-replacement-current-state-of-art
#11
REVIEW
Wail Alkashkari, Amani Alsubei, Ziyad M Hijazi
PURPOSE OF REVIEW: The past couple of decades have brought tremendous advances to the field of pediatric and adult congenital heart disease (CHD). Percutaneous valve interventions are now a cornerstone of not just the congenital cardiologist treating patients with congenital heart disease, but also-and numerically more importantly-for adult interventional cardiologists treating patients with acquired heart valve disease. Transcatheter pulmonary valve replacement (tPVR) is one of the most exciting recent developments in the treatment of CHD and has evolved to become an attractive alternative to surgery in patients with right ventricular outflow tract (RVOT) dysfunction...
March 15, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29543640/anesthesia-for-percutaneous-pulmonary-valve-implantation-a-case-series
#12
Rafael Arboleda Salazar, Jane Heggie, Piotr Wolski, Eric Horlick, Mark Osten, Massimiliano Meineri
BACKGROUND: Twenty percent of patients born with congenital heart disease present with right ventricular outflow tract abnormalities. These patients require multiple surgical procedures in their lifetime. Transcatheter pulmonary valve replacement (TPVR) has become a viable alternative to conventional pulmonary valve and right ventricular outflow tract surgery in pediatric and adult populations. In this retrospective review, we analyze the perioperative management of adult patients who underwent TPVR in our center...
March 14, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29455791/criss-cross-heart-transthoracic-echocardiographic-features
#13
Devi Manuel, Gopal Ghosh, George Joseph, Anandaroop Lahiri, Paul V George
OBJECTIVE: To study the echocardiographic features of criss-cross heart (CCH), a congenital cardiac anomaly characterized by crossed ventricular inflow streams, in Indian patients. METHODS: In this retrospective observational study, all pediatric echocardiograms performed in a single tertiary care institution in South India over a three-year period were scrutinized for a diagnosis of CCH. Demographic, clinical and echocardiographic data were collected from patients' medical records and echocardiographic database...
January 2018: Indian Heart Journal
https://www.readbyqxmd.com/read/29384755/direct-echocardiographic-imaging-of-berlin-heart-valves-can-aid-in-early-detection-of-berlin-heart-valve-dysfunction
#14
Gary S Beasley, Kristen Nelson-McMillan, Luca Vricella, William R Thompson, William Ravekes
Mechanical circulatory support options remain limited for pediatric patients, especially neonates. The only FDA-approved pediatric device remains the Berlin Heart EXCOR, which unfortunately carries with it a 20-30% risk of neurologic complications, such as strokes. We demonstrate a new technique of direct echocardiographic color-Doppler imaging of the Berlin Heart valves to detect valve regurgitation. Increases in valve regurgitation could indicate issues with pump-valve thrombosis or increased afterload leading to valve insufficiency...
January 30, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29343297/pulmonary-valve-replacement-after-right-ventricular-outflow-tract-reconstruction-with-homograft-vs-contegra%C3%A2-a-case-control-comparison-of-mortality-and-morbidity
#15
Nicolas Poinot, Jean-Francois Fils, Hélène Demanet, Hugues Dessy, Dominique Biarent, Pierre Wauthy
BACKGROUND: Repair of congenital heart defects involving the right ventricular outflow tract may require the implantation of a right ventricle to pulmonary artery conduit. This conduit is likely to be replaced during childhood. This study compares the operative outcomes of the replacement procedure of Contegra® and homografts in pulmonary position. METHODS: From 1999 to 2016, 82 children underwent 87 right ventricle to pulmonary artery conduit replacements (60 Contegra® and 27 homografts)...
January 17, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29327671/tissue-engineered-heart-valves-a-call-for-mechanistic-studies
#16
Kevin M Blum, Joseph D Drews, Christopher K Breuer
Heart valve disease carries a substantial risk of morbidity and mortality. Outcomes are significantly improved by valve replacement, but currently available mechanical and biological replacement valves are associated with complications of their own. Mechanical valves have a high rate of thromboembolism and require lifelong anticoagulation. Biological prosthetic valves have a much shorter lifespan, and they are prone to tearing and degradation. Both types of valves lack the capacity for growth, making them particularly problematic in pediatric patients...
February 13, 2018: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/29188316/impact-of-bicuspid-aortic-valve-morphology-on-aortic-valve-disease-and-aortic-dilation-in-pediatric-patients
#17
Rebekah M Ward, Jordan M Marsh, Jeffrey M Gossett, Mallikarjuna R Rettiganti, R Thomas Collins
Bicuspid aortic valve (BAV) is the most common congenital heart defect. BAV is associated with aortic stenosis and insufficiency, and aortic dilation in adult groups, but data in pediatric groups are limited. We sought to assess the impact of BAV morphology on aortic valve disease and aortic dilation in pediatric patients. We performed a retrospective review of all echocardiograms in patients with isolated BAV who were followed at our institution from July 2002 to July 2012. BAV morphology, aortic valve stenosis and/or insufficiency, and aortic dimensions were measured manually...
March 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29181795/comparison-of-3d-echocardiogram-derived-3d-printed-valve-models-to-molded-models-for-simulated-repair-of-pediatric-atrioventricular-valves
#18
Adam B Scanlan, Alex V Nguyen, Anna Ilina, Andras Lasso, Linnea Cripe, Anusha Jegatheeswaran, Elizabeth Silvestro, Francis X McGowan, Christopher E Mascio, Stephanie Fuller, Thomas L Spray, Meryl S Cohen, Gabor Fichtinger, Matthew A Jolley
Mastering the technical skills required to perform pediatric cardiac valve surgery is challenging in part due to limited opportunity for practice. Transformation of 3D echocardiographic (echo) images of congenitally abnormal heart valves to realistic physical models could allow patient-specific simulation of surgical valve repair. We compared materials, processes, and costs for 3D printing and molding of patient-specific models for visualization and surgical simulation of congenitally abnormal heart valves...
March 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29177686/preclinical-animal-study-of-the-nipro-ventricular-assist-device-for-use-in-pediatric-patients
#19
Noritsugu Naito, Yoshiaki Takewa, Satoru Kishimoto, Kei Iizuka, Toshihide Mizuno, Tomonori Tsukiya, Minoru Ono, Eisuke Tatsumi
Although the outcomes of patients with end-stage heart failure treated with implantable left ventricular assist devices have improved, extracorporeal left ventricular assist devices continue to play an important role, especially in pediatric patients. The present study aimed to examine the long-term biocompatibility of a small-sized extracorporeal pneumatic left ventricular assist device (NIPRO-LVAD) used in a 30- to 90-day animal experiment. The NIPRO-LVAD was designed for pediatric patients or small-sized adults...
November 24, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29154821/heterotaxy-syndrome-and-associated-arrhythmias-in-pediatric-patients
#20
Mary C Niu, Heather A Dickerson, Judson A Moore, Caridad de la Uz, Santiago O Valdés, Jeffrey J Kim, David E Bard, Shaine A Morris, Christina Y Miyake
BACKGROUND: Heterotaxy syndrome (HS) is a rare disorder with complex anatomy involving misarrangements of the cardiac conduction system. Arrhythmias may be related to anatomic variations and contribute to morbidity. OBJECTIVE: The purpose of this study was to investigate the associations between arrhythmias, anatomy, and outcomes in a large HS cohort. METHODS: A single-center retrospective review of patients ≤21 years of age diagnosed with HS was performed...
April 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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