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Single V but not alone

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By Javier Castro Heart Failure And Heart Transplantation
Jack Rychik
The Fontan operation is the anticipated palliative strategy for children born with single-ventricle type of congenital heart disease. As a result of important circulatory limitations, a series of end-organ complications are now increasingly recognized. Elevated central venous pressure and impaired cardiac output are the hallmarks of cavo-pulmonary flow, which result in a cascade of pathophysiological consequences. The Fontan circulation likely impacts all organ systems in an indolent and relentless manner, with progressive decline in functionality likely to occur in many...
2016: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
Stephanie J Nakano, Penny Nelson, Carmen C Sucharov, Shelley D Miyamoto
OBJECTIVES: Empiric treatment with milrinone, a phosphodiesterase (PDE) 3 inhibitor, has become increasingly common in patients with single ventricle heart disease of right ventricular (RV) morphology (SRV); our objective was to characterize the myocardial response to PDE3 inhibition (PDE3i) in the pediatric population with SRV. STUDY DESIGN: Cyclic adenosine monophosphate levels, PDE activity, and phosphorylated phospholamban (PLN) were determined in explanted human ventricular myocardium from nonfailing pediatric donors (n = 10) and pediatric patients transplanted secondary to SRV...
July 2016: Journal of Pediatrics
Makoto Mori, Kayoko Shioda, Robert W Elder, Maria A Pernetz, Fred H Rodriguez, Alicia Rangosch, Brian E Kogon, Wendy M Book
Factors contributing to the failure of Fontan circulation in adults are poorly understood. Reduced superior mesenteric arterial (SMA) flow has been identified in pediatric Fontan patients with protein-losing enteropathy. SMA flow has not been profiled in an adult Fontan population and its association with adverse events is unknown. We aimed to examine associations between SMA flow patterns and adverse events in adult Fontan patients. We performed a retrospective review of adult Fontan patients who underwent echocardiograms between 2008 and 2014...
August 2016: Pediatric Cardiology
John L Colquitt, Shaine A Morris, Susan W Denfield, Charles D Fraser, Yunfei Wang, W Buck Kyle
BACKGROUND: We describe survival in patients with Down syndrome (DS) with single-ventricle anatomy and palliation and characterize risk factors associated with mortality. METHODS: All patients with DS and single-ventricle anatomy documented in the electronic medical record at our institution from January 1, 1992, to May 1, 2014, were compared with patients with unbalanced atrioventricular septal defects and single-ventricle anatomy, without DS or heterotaxy, during the same period...
May 2016: Annals of Thoracic Surgery
Minghui Zou, Yanfei Wang, Hujun Cui, Li Ma, Shengchun Yang, Yuansheng Xia, Weidan Chen, Xinxin Chen
BACKGROUND: The aim of this study was to review the early and mid-term outcomes of the total cavopulmonary connection (TCPC) procedure and evaluate risk factors for prolonged pleural effusions. METHODS: The clinical records of 82 consecutive patients, who underwent a TCPC operation between January 2008 and December 2013, were reviewed for incidence of prolonged pleural effusions, duration of ventilation time and pleural drainage, length of intensive care unit (ICU) stay, and early and mid-term morbidity and mortality...
January 2016: Journal of Thoracic Disease
Bahaaldin Alsoufi, Scott Gillespie, Makoto Mori, Martha Clabby, Kirk Kanter, Brian Kogon
OBJECTIVES: The modified Blalock-Taussig shunt (BTS) is utilized to palliate neonates born with restrictive pulmonary blood flow including those with single ventricle (SV) or biventricular (BV) cardiac anomalies. We aim in the current study to report palliation outcomes of neonates with BTS and to examine factors affecting death and progression to the subsequent stage of palliation or repair. METHODS: Between 2002 and 2012, 341 patients underwent BTS including 175 with SV and 166 with BV anomalies...
July 2016: European Journal of Cardio-thoracic Surgery
Masaya Sugimoto, Hirofumi Saiki, Akiko Tamai, Mitsuru Seki, Ryo Inuzuka, Satoshi Masutani, Hideaki Senzaki
OBJECTIVE: We tested the hypotheses that volume overload and cyanosis observed in the pre-Fontan single ventricular circulation are associated with increased ventricular fibrogenesis, that the Fontan procedure helps to reduce fibrogenesis, and that persistently increased fibrogenesis in the Fontan ventricle is associated with ventricular diastolic dysfunction. METHODS: Levels of serum amino-terminal procollagen type III, a marker of tissue fibrogenesis, were measured in 172 patients with single ventricle circulation and 149 controls...
June 2016: Journal of Thoracic and Cardiovascular Surgery
Jun Sasaki, John C Dykes, Lisa J Sosa, Jane L Salvaggio, Milagros D Tablante, Jorge Ojito, Danyal M Khan, Robert L Hannan, Anthony F Rossi, Redmond P Burke, Gil Wernovsky
OBJECTIVES: Children with functional single ventricle undergoing the Fontan operation consume considerable resources. The purpose of this study is to evaluate pre- and intraoperative risk factors for longer hospital stay and to describe the perioperative course at a single institution over a 15-year period. DESIGN: Retrospective cohort study. SETTING: A single pediatric cardiac ICU. PATIENTS: All consecutive patients undergoing a first-time Fontan operation from 2000 to 2014...
May 2016: Pediatric Critical Care Medicine
Constantine Mavroudis, Barbara J Deal
Early survival after the Fontan operation has improved significantly leading to a lifetime of Fontan circulation for patients. There is a natural progression of pulmonary artery pressure during the human lifetime that is easily tolerated in two-ventricle physiology but is deleterious for single-ventricle physiology. Obstructions in the venous to pulmonary artery pathway and pulmonary venous return or ventricular outflow, atrioventricular valve dysfunction (regurgitation), pulmonary arteriovenous malformations, venous thrombosis, and the development of atrial arrhythmias can lead to reduced functional status...
March 2016: World Journal for Pediatric & Congenital Heart Surgery
Manisha Kukreja, Ayesha S Bryant, David C Cleveland, Robert Dabal, Neha Hingorani, James K Kirklin
The primary objective of this study was to ascertain the long-term health-related quality of life (HRQOL) of adult patients who underwent a childhood Fontan operation for palliation of univentricular cardiac anomalies. The secondary objective was to compare the long-term HRQOL of Fontan survivors to that of pediatric heart transplant recipients. This cross-sectional study examined adult survivors (>19 years) who underwent a Fontan operation during childhood (Fontan group) or a pediatric heart transplant (HT group) between 1988 and 2011 (23-year span)...
2015: Seminars in Thoracic and Cardiovascular Surgery
Riad Abou Zahr, Paul M Kirshbom, Gary S Kopf, Sandeep Sainathan, Margaret M Steele, Robert W Elder, Mohsen Karimi
BACKGROUND: Five decades after its introduction, the Glenn shunt remains an integral step for patients undergoing single-ventricle palliation. We performed a longitudinal follow-up of the original cohort of patients who underwent Glenn shunt. METHODS: We performed a retrospective study of the original cohort of patients who underwent Glenn shunt at Yale between 1958 and 1988. Electronic medical records and chart review up to current era were used to collect data...
January 2016: Annals of Thoracic Surgery
Nefthi Sandeep, Yutaka Uchida, Kanishka Ratnayaka, Robert McCarter, Sridhar Hanumanthaiah, Aminata Bangoura, Zhen Zhao, Jacqueline Oliver-Danna, Linda Leatherbury, Joshua Kanter, Yoh-Suke Mukouyama
OBJECTIVES: Patients with single ventricle congenital heart disease often form aortopulmonary collateral vessels via an unclear mechanism. To gain insights into the pathogenesis of aortopulmonary collateral vessels, we correlated angiogenic factor levels with in vitro activity and angiographic aortopulmonary collateral assessment and examined whether patients with single ventricle physiology have increased angiogenic factors that can stimulate endothelial cell sprouting in vitro. METHODS: In patients with single ventricle physiology (n = 27) and biventricular acyanotic control patients (n = 21), hypoxia-inducible angiogenic factor levels were measured in femoral venous and arterial plasma at cardiac catheterization...
April 2016: Journal of Thoracic and Cardiovascular Surgery
Victoria Forsdick, Ajay J Iyengar, Thomas Carins, Thomas L Gentles, Robert G Weintraub, David S Celermajer, Yves d'Udekem
The ideal age to perform the Fontan procedure is still unknown. The aim of this study is to determine outcomes after Fontan surgery delayed to adolescence and adulthood in Australia and New Zealand. Patients who had undergone a Fontan procedure at 15 years of age or older were identified in the 1133 patients registered in the Australia and New Zealand Fontan Registry until December 2012. A total of 45 patients underwent the following Fontan procedure at a median age of 18.3 years (16-21 years): 24 atriopulmonary connections, 10 lateral tunnel, and 11 extracardiac conduits...
2015: Seminars in Thoracic and Cardiovascular Surgery
Karen Uzark, Victor Zak, Peter Shrader, Brian W McCrindle, Elizabeth Radojewski, James W Varni, Kaitlyn Daniels, Jill Handisides, Kevin D Hill, Linda M Lambert, Renee Margossian, Victoria L Pemberton, Wyman W Lai, Andrew M Atz
OBJECTIVES: To assess self-reported quality of life (QOL) in a large multicenter cohort of adolescent and young adults surviving Fontan. STUDY DESIGN: Cross-sectional. The Pediatric Quality of Life Inventory (PedsQL) was administered to 408 survivors of Fontan ages 13-25 years enrolled in the Pediatric Heart Network Fontan Follow-up Study. Subjects also completed either the Child Health Questionnaire (age <19 years) or Short Form Health Survey (age ≥ 19 years)...
March 2016: Journal of Pediatrics
Brian S Snarr, Stephen M Paridon, Jack Rychik, David J Goldberg
The Fontan operation is the final step of palliation for patients with a functionally single ventricle. Since its introduction in the 1970s, the Fontan surgery has become part of a successful surgical strategy that has improved single ventricle mortality. In recent years, we have become more aware of the limitations and long-term consequences of the Fontan physiology. Pulmonary vascular resistance plays an important role in total cavopulmonary circulation, and has been identified as a potential therapeutic target to mitigate Fontan sequelae...
December 2015: Cardiology in the Young
Elisa Bradley, Benjamin Hendrickson, Curt Daniels
Adults with complex congenital heart disease that resulted in a Fontan procedure frequently experience late cardiac failure. Increasingly, liver disease is recognized as an important complication of single-ventricle anatomy and Fontan physiology; however, there is no consensus regarding liver evaluation in this population. Here, we review what is known about liver disease in this unique group and propose screening and prevention measures. We also review controversial treatment areas including assist devices and transplantation, with a review of outcomes in isolated heart and combined heart-liver transplant...
November 2015: Current Treatment Options in Cardiovascular Medicine
I Halaweish, R G Ohye, M S Si
The use of VADs as a BTT in children with heart failure has increased due to enhanced device design and reliability, leading to improved survival, functional capacity, and quality of life. However, the use of VADs in patients with Fontan physiology as a BTT is rare with few case reports. Here, we describe a case of implantation of the Berlin VAD as a BTT for 179 days, one of the longest reported periods of mechanical support, in a child with failing single ventricle.
December 2015: Pediatric Transplantation
Elijah H Bolin, Shiraz A Maskatia, Amanda L Tate, Christopher J Petit
We tested the hypothesis that later completion of the Fontan procedure is associated with improved exercise capacity in the current period of staged single-ventricle palliation. We performed a retrospective study, in Fontan patients, of exercise stress test data from April 2003 through March 2011. Patients were included if they had received staged palliations in accordance with current surgical strategy, defined as the performance of a superior cavopulmonary connection at ≤1 year of age, followed in subsequent years by Fontan completion...
August 2015: Texas Heart Institute Journal
J Grohmann, B Stiller, E Neumann, A Jakob, T Fleck, G Pache, M Siepe, R Höhn
OBJECTIVES: To assess airway compression during pulmonary artery (PA) intervention in single ventricle (SV) palliation. BACKGROUND: SV lesions with a prominent neo-aortic root are considered a high risk for branch PA and/or bronchial stenosis. PA stenting is well established, but may result in ipsilateral bronchial compression. METHODS: Single-centre retrospective analysis of 19 palliated SV patients with branch PA stenosis and close proximity to the ipsilateral main bronchus who underwent cardiac catheterisation at a median age and weight of 8...
April 2016: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
Terra Lafranchi, Patricia Lincoln
Advances in prenatal imaging allow early detection of single-ventricle congenital heart disease, which may enhance prenatal care and maximize care options and decision making. Boston Children's Hospital's Advanced Fetal Care Center and fetal cardiology program provide prenatal counseling and care for single-ventricle congenital heart disease. Key points for optimal prenatal counseling and education include explanation of the diagnosis, delivery, the first surgery, cardiac neurodevelopmental issues, feeding and growth issues, quality of life and long-term care, family stressors, and fetal cardiac intervention...
October 2015: Critical Care Nurse
2015-10-13 11:34:34
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