Original Article
Publishing patterns and citation performance of manuscripts relating to paediatric cardiology and congenital heart disease: comparison of paediatric and adult cardiology journals
- Rohit S. Loomba, Danielle Sheikholeslami, Aaron Dyson, Saul Flores, Enrique Villarreal, Juan Torres, Jeffrey P. Jacobs, Robert H. Anderson
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- Published online by Cambridge University Press:
- 24 February 2021, pp. 1608-1612
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Background:
Manuscripts pertaining to paediatric cardiology and CHD have been published in a variety of different journals. Some of these journals are journals dedicated to paediatric cardiology, while others are focused on adult cardiology. Historically, it has been considered that manuscripts published in journals devoted to adult cardiology have greater citation potential. Our objective was to compare citation performance between manuscripts related to paediatric cardiology and CHD published in paediatric as opposed to adult cardiology journals.
Methods:We identified manuscripts related to paediatric cardiology and CHD published in five journals of interest during 2014. Of these journals, two were primarily concerned with adult cardiology, while the other three focused on paediatric cardiology. The number of citations for these identified manuscripts was gathered from Google Scholar. We compared the number of citations (median, mean, and 25th, 75th, 90th, and 95th percentiles), the potential for citation, and the h-index for the identified manuscripts.
Results:We identified a total of 828 manuscripts related to paediatric cardiology and congenital heart as published in the 5 journals during 2014. Of these, 783 (95%) were published in journals focused on paediatric cardiology, and the remaining 45 (5%) were published in journals focused on adult cardiology. The median number of citations was 41 in the manuscripts published in the journals focused on adult cardiology, as opposed to 7 in journals focused on paediatric cardiology (p < 0.001). The h-index, however, was greater for the journals dedicated to paediatric cardiology (36 versus 27).
Conclusion:Approximately one-twentieth of the work relating to paediatric cardiology and CHD is published in journals that focus predominantly on adult cardiology. The median number of citations is greater when manuscripts concerning paediatric cardiology and CHD are published in these journals focused on adult cardiology. The h-index, however, is higher when the manuscripts are published in journals dedicated to paediatric cardiology. While such publications in journals that focus on adult cardiology tend to generate a greater number of citations than those achieved for works published in specialised paediatric cardiology journals, the potential for citation is no different between the journals. Due to the drastically lower number of manuscripts published in journals dedicated to adult cardiology, however, median performance is different.
Maternal knowledge of the child’s heart defect over a 1-year time span, its development and associated factors
- Anja Knöchelmann, Siegfried Geyer
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- 16 April 2021, pp. 1943-1952
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Background:
Mothers are the link between patients, physicians, and other caregivers. Therefore, they should be well informed about the child’s heart defect and accompanying issues. This study aimed to assess the mothers’ understanding of their child’s heart defect at hospitalisation and one year later and to analyse the individual development and associated factors.
Material and methods:Mothers of children with CHD (aged ≤2 years) were interviewed at time of hospitalisation and after one year. Development was calculated using the Wilcoxon signed-rank test. Knowledge was assessed using the Hannover Inventory of Parental Knowledge of Congenital Heart Disease that consists of eight subscales. Associated factors were self-assessed knowledge at hospitalisation, educational level, cardiac diagnosis, self-assessed severity of CHD, and source of information at follow-up.
Results:Mothers showed mixed understanding at hospitalisation, but their knowledge improved over a 1-year time span. This was especially true for the subscales “management of CHD” and “surveillance of deterioration”, which resulted in an overall good knowledge at follow-up, whereas knowledge on infective endocarditis was still poor. Mothers with lowest and highest education had the most notable improvements. The same holds for caregivers with children with more severe CHD and who rated their knowledge as less than good.
Conclusion:Overall, mothers showed significant improvement especially for topics that are important to provide adequate care, but still revealed knowledge gaps one year after hospitalisation. Consequently, clinicians should evaluate the individual knowledge level at all times and inform mothers accordingly.
Initial experience with a novel ePTFE-covered balloon expandable stent in patients with near-atretic or severe aortic coarctation and small femoral arterial access
- Asim Al Balushi, Emma Pascall, Matthew I. Jones, Shakeel Qureshi, Gianfranco Butera
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- Published online by Cambridge University Press:
- 11 November 2020, pp. 224-228
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Objectives:
We report our experience of using the Bentley BeGraft Aortic stent in patients with severe or near-atretic aortic coarctation and small femoral arterial access.
Background:Use of covered stent is recommended in some settings such as aortic coarctation with associated aneurysm, Turner syndrome, and coarctation with aortic atresia. However, currently available covered stents need larger sheaths that may limit their use in children and patients with smaller arterial access. Newer stents may overcome this limitation.
Methods:Single-centre retrospective study of patients with severe or near-atretic aortic coarctation and small femoral arterial access.
Results:Between July and October, 2019, five patients (median age 15 years) with near-atretic or severe coarctation were treated with a Bentley BeGraft Aortic stent. Long sheaths between 9 and 11 Fr were used to implant stents, which were dilated up to 12–16 mm. None of the patients had residual coarctation (gradient >20 mm of mercury) after stenting. None of the patients developed acute vascular injuries or local access related complications at the end of the procedure or during follow-up (range 6–10 months).
Conclusions:Bentley BeGraft aortic stents are important to consider in patients with severe coarctation and provided acute procedural success in patients with small femoral arterial access and widen the applicability in this patient population.
Angiotensin-converting enzyme inhibition and pre-superior cavopulmonary connection haemodynamics in infants with single-ventricle physiology
- Asim Al Balushi, Konstantin Averin, Daphne T. Hsu, Andrew S. Mackie
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- 16 February 2021, pp. 1434-1438
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Introduction:
Preliminary animal and human data suggest that angiotensin-converting enzyme inhibition has a role in pulmonary vascular remodelling. We sought to assess the effect of ACEi versus placebo on pulmonary artery pressure and transpulmonary gradient amongst infants undergoing single-ventricle palliation.
Materials and methods:Using the publicly available Pediatric Heart Network Infant Single-Ventricle trial dataset, we compared mean PA pressure at pre-superior cavopulmonary connection catheterisation (primary outcome), transpulmonary gradient, pulmonary-to-systemic flow ratio, and post-SCPC oxygen saturation (secondary outcomes) in infants receiving enalapril versus placebo.
Results:A total of 179 infants underwent pre-SCPC catheterisation, of which 85 (47%) received enalapril. There was no difference between the enalapril and placebo group in the primary and the secondary outcomes. Mean PA pressure in the enalapril group was 13.1 ± 2.9 compared to 13.7 ± 3.4 mmHg in the placebo group. The transpulmonary gradient was 6.7 ± 2.5 versus 6.9 ± 3.2 mmHg in the enalapril and placebo groups, respectively. The pulmonary-to-systemic flow ratio was 1.1 ± 0.5 in the enalapril group versus 1.0 ± 0.5 in the placebo group and the post-SCPC saturation was 83.1 ± 5.0% in the enalapril group versus 82.2 ± 5.3% in the placebo group. In the pre-specified subgroup analyses comparing enalapril and placebo according to ventricular morphology and shunt type, there was no difference in the primary and secondary outcomes.
Conclusion:ACEi did not impact mean pulmonary artery pressure or transpulmonary gradient amongst infants with single-ventricle physiology prior to SCPC palliation.
Appropriate use of echocardiography for palpitations in paediatric cardiology clinics
- Saloni Sheth, Munes Fares, Sandra Kikano, Christopher Snyder, Andrew Dodgen, Carolyn M. Wilhelm
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- 07 October 2020, pp. 60-62
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Objectives:
Identify diagnostic yield and frequency of echocardiograms for palpitation-related indications at outpatient paediatric cardiology clinics in relation to the 2014 ACC/AAP/AHA/ASE/HRS/SCAI/SCCT/SCMR/SOPE appropriate use criteria for Initial Transthoracic Echocardiography in Outpatient Paediatric Cardiology.
Study design:A single-centre, retrospective study of children presenting for evaluation of a chief complaint of palpitations to outpatient paediatric cardiology clinics from 2015 to 2017. Palpitations were defined as an unpleasant sensation of rapid, irregular, and/or forceful beating of the heart. Indications for echocardiogram in patients were retrospectively classified based on the appropriate use criteria as “appropriate,” “may be appropriate,” or “rarely appropriate.” The incidence of abnormal and incidental echocardiographic findings for each category was determined.
Results:A total of 286 patients presented with palpitations, with 128 (52% female) meeting inclusion criteria. Exclusion criteria included patients with additional cardiac complaints, prior echocardiogram, or history of congenital heart disease. Echocardiograms were performed on 36 (28%) patients. The appropriate use criteria were retrospectively applied, and indications for their performance were classified as “appropriate” (n = 4), “may be appropriate” (n = 17), or “rarely appropriate” (n = 15). Minor echocardiographic abnormalities were present in 22% (n = 8) of echocardiograms obtained for all appropriate use criteria classifications. No moderate or severe echocardiographic abnormalities were found. Incidental findings were noted in eight echocardiograms.
Conclusion:Echocardiography in the evaluation of “rarely appropriate” and “may be appropriate” palpitation-related indications is of low diagnostic yield.
Effects of carvedilol and metoprolol on the myocardium during mechanical unloading in a rat heterotopic heart transplantation model
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- Geena Kim, Hong Ryang Kil, Cheng Quan, Sang Su Lee
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- 22 March 2021, pp. 1269-1274
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Background and objectives:
Left ventricular assist devices enable recovery from severe heart failure and serve as a bridge to heart transplantation. However, chronic mechanical unloading can impair myocardial recovery. We aimed to assess myocyte size, fibrosis, apoptosis, and β-adrenoreceptor levels after rats with left ventricle unloading induced by heterotopic heart transplantation were administered carvedilol and metoprolol.
Methods:Thirty rats with heart transplants were divided randomly into control, carvedilol treatment, and metoprolol treatment groups. Follow-up was conducted after 2 and 4 weeks of unloading.
Results:Carvedilol and metoprolol treatments did not prevent the decrease in myocyte diameter in unloaded left ventricles. Metoprolol significantly decreased the ratio of the fibrotic area in the unloaded heart, measured using Masson’s trichrome staining after 2 weeks. However, carvedilol and metoprolol did not reduce apoptosis, based on measurements of terminal deoxynucleotidyl-transferase-mediated dUTP nick end-labelling positive cells and the expression of caspase-3 in unloaded hearts after 2 and 4 weeks. Metoprolol treatment did not significantly decrease the mRNA expression of myocardial SERCA2a in the unloaded heart after 2 weeks.
Conclusions:Compared to carvedilol treatment, metoprolol treatment improved myocardial fibrosis and SERCA2a expression to a greater extent; however, neither drug prevented myocardial apoptosis.
Feeding infants with complex congenital heart disease: a modified Delphi survey to examine potential research and practice gaps
- Kristin M. Elgersma, Anne Chevalier McKechnie, Tipper Gallagher, Anna L. Trebilcock, Karen F. Pridham, Diane L. Spatz
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- Published online by Cambridge University Press:
- 11 December 2020, pp. 577-588
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Objective:
To determine clinical consensus and non-consensus in regard to evidence-based statements about feeding infants with complex CHD, with a focus on human milk. Areas of non-consensus may indicate discrepancies between research findings and practice, with consequent variation in feeding management.
Materials and Methods:A modified Delphi survey validated key feeding topics (round 1), and determined consensus on evidence-based statements (rounds 2 and 3). Patients (n=25) were an interdisciplinary group of clinical experts from across the United States of America. Descriptive analysis used SPSS Statistics (Version 26.0). Thematic analysis of qualitative data provided context for quantitative data.
Results:Round 1 generated 5 key topics (human milk, developing oral feeding skills, clinical feeding practice, growth failure, and parental concern about feeding) and 206 evidence-based statements. The final results included 110 (53.4%) statements of consensus and 96 (46.6%) statements of non-consensus. The 10 statements of greatest consensus strongly supported human milk as the preferred nutrition for infants with complex CHD. Areas of non-consensus included the adequacy of human milk to support growth, need for fortification, safety, and feasibility of direct breastfeeding, issues related to tube feeding, and prevention and treatment of growth failure.
Conclusions:The results demonstrate clinical consensus about the importance of human milk, but reveal a need for best practices in managing a human milk diet for infants with complex CHD. Areas of non-consensus may lead to clinical practice variation. A sensitive approach to these topics is needed to support family caregivers in navigating feeding concerns.
Low-dose prostaglandin E1 is safe and effective for critical congenital heart disease: is it time to revisit the dosing guidelines?
- Daniel Vari, Wendi Xiao, Shashank Behere, Ellen Spurrier, Takeshi Tsuda, Jeanne M. Baffa
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- 03 November 2020, pp. 63-70
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Introduction:
Prostaglandin E1 is used to maintain ductal patency in critical congenital heart disease (CHD). The standard starting dose of prostaglandin E1 is 0.05 µg/kg/minute. Lower doses are frequently used, but the efficacy and safety of a low-dose regimen of prostaglandin E1 has not been established.
Methods:We investigated neonates with critical CHD who were started on prostaglandin E1 at 0.01 µg/kg/minute. We reviewed 154 consecutive patients who were separated into three anatomical groups: obstruction to systemic circulation, obstruction to pulmonary circulation, and inadequate mixing (d-transposition of the great arteries). Treatment failure rates and two commonly reported side effects, respiratory depression and seizure, were studied.
Results:A total of 26 patients (17%) required a dose increase in prostaglandin E1. Patients with pulmonary obstruction were more likely to require higher doses than patients with systemic obstruction (15/49, 31% versus 9/88, 10%, p = 0.003). Twenty-eight per cent of patients developed respiratory depression and 8% of patients needed mechanical ventilation. Prematurity (<37 week gestation) was the primary risk factor for respiratory depression. No patient required dose escalation or tracheal intubation while on transport. No patient had a seizure attributed to prostaglandin E1.
Conclusions:Prostaglandin E1 at an initial and maintenance dose of 0.01 µg/kg/minute was sufficient to maintain ductal patency in 83% of our cohort. The incidence of respiratory depression requiring mechanical ventilation was low and was mostly seen in premature infants. Starting low-dose prostaglandin E1 at 0.01 µg/kg/minute is a safe and effective therapy for critical CHD.
Deep hypothermic circulatory arrest in cyanotic piglets is associated with increased neuronal necrosis
- Matus Petko, Richard J. Myung, Lindsay E. Volk, Alexander R. Judkins, Richard F. Ittenbach, J. William Gaynor
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- Published online by Cambridge University Press:
- 23 December 2020, pp. 769-774
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Background:
The contribution of neonatal cyanosis, inherent to cyanotic congenital heart disease, to the magnitude of neurologic injury during deep hypothermic circulatory arrest has not been fully delineated. This study investigates the impact of cyanosis and deep hypothermic circulatory arrest on brain injury.
Methods:Neonatal piglets were randomised to placement of a pulmonary artery to left atrium shunt to create cyanosis or sham thoracotomy. At day 7, animals were randomised to undergo deep hypothermic circulatory arrest or sham. Arterial oxygen tension and haematocrit were obtained. Neurobehavioural performance was serially assessed. The animals were sacrificed on day 14. Brain tissue was assessed for neuronal necrosis using a 5-point histopathologic score.
Results:Four experimental groups were analysed (sham, n = 10; sham + deep hypothermic circulatory arrest, n = 8; shunt, n = 9; shunt + deep hypothermic circulatory arrest, n = 7). Cyanotic piglets had significantly higher haematocrit and lower partial pressure of oxygen at day 14 than non-cyanotic piglets. There were no statistically significant differences in neurobehavioural scores at day 1. However, shunt + deep hypothermic circulatory arrest piglets had evidence of greater neuronal injury than sham animals (median (range): 2 (0–4) versus 0 (0–0), p = 0.02).
Discussion:Cyanotic piglets undergoing deep hypothermic circulatory arrest had increased neuronal injury compared to sham animals. Significant injury was not seen for either cyanosis or deep hypothermic circulatory arrest alone relative to shams. These findings suggest an interaction between cyanosis and deep hypothermic circulatory arrest and may partially explain the suboptimal neurologic outcomes seen in children with cyanotic heart disease who undergo deep hypothermic circulatory arrest.
Acquired and progressive coronary arterial fistulae in patients with single-ventricle physiology and treated with pulmonary vasodilators
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- Kanta Kishi, Hiroshi Katayama, Shintaro Nemoto, Noriyasu Ozaki, Yutaka Odanaka, Atsuko Ashida, Hayato Konishi, Akira Ashida
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- 22 March 2021, pp. 1823-1828
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Background:
Cardiac dysfunction, arrhythmia, and hepatic fibrosis are well-known complications after right heart bypass surgery in patients with single-ventricle physiology. However, little is known about coronary arterial fistulae, and only a few reports have been published. This study aimed to elucidate the clinical characteristics of these rare coronary arterial fistulae that developed as complications in cases of single-ventricle physiology after right heart bypass surgery.
Methods:We retrospectively investigated the clinical features and courses of patients who developed acquired and progressive coronary arterial fistulae after right heart bypass surgery in our hospital.
Results:We identified three cases of coronary arterial fistulae out of 21 patients who underwent right heart bypass surgery. All three cases underwent cardiac catheterisation for post-operative evaluation and were administered pulmonary vasodilators of phosphodiesterase type V inhibitors, antiplatelet, anticoagulation, and diuretics. Moreover, they had common clinical features such as right-dominant single ventricle and long-term exposure to chronic hypoxia. Serial angiograms revealed acquired and progressive coronary arterial fistulae. In addition, coronary arterial fistulae contributed to their symptoms of heart failure.
Conclusion:Patients with chronic hypoxia and dominant right ventricle, who are treated with phosphodiesterase type V inhibitors, should be followed up after right heart bypass surgery to monitor the possible development of coronary arterial fistulae. Moreover, the indication for pulmonary vasodilators in single-ventricle physiology after right heart bypass surgery should be optimised to avoid adverse effects.
Chromosomal microarray detects genetic risks of neurodevelopmental disorders in newborns with congenital heart disease
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- Kamalvir Gill, Jun Sasaki, Parul Jayakar, Lisa Sosa, Elizabeth Welch
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- Published online by Cambridge University Press:
- 04 February 2021, pp. 1275-1282
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Objective:
To compare the genetic testing results of neonates with CHD by chromosomal microarray to karyotyping and fluorescence in situ hybridisation analysis.
Methods:This was a single-centre retrospective comparative study of patients with CHD and available genetic testing results admitted to the cardiac ICU between January, 2004 and December, 2017. Patients from 2004 to 2010 were tested by karyotyping and fluorescence in situ hybridisation analysis, while patients from 2012 to 2017 were analysed by chromosomal microarray.
Results:Eight-hundred and forty-nine neonates with CHD underwent genetic testing, 482 by karyotyping and fluorescence in situ hybridization, and 367 by chromosomal microarray. In the karyotyping and fluorescence in situ hybridisation analysis group, 86/482 (17.8%) had genetic abnormalities detected, while in the chromosomal microarray group, 135/367 (36.8%) had genetic abnormalities detected (p < 0.00001). Of patients with abnormal chromosomal microarray results, 41/135 (30.4%) had genetic abnormality associated with neurodevelopmental disorders that were exclusively identified by chromosomal microarray. Conotruncal abnormalities were the most common diagnosis in both groups, with karyotyping and fluorescence in situ hybridisation analysis detecting genetic abnormalities in 26/160 (16.3%) patients and chromosomal microarray detecting abnormalities in 41/135 (30.4%) patients (p = 0.004). In patients with d-transposition of the great arteries, 0/68 (0%) were found to have genetic abnormalities by karyotyping and fluorescence in situ hybridisation compared to 7/54 (13.0%) by chromosomal microarray.
Conclusions:Chromosomal microarray identified patients with CHD at genetic risk of neurodevelopmental disorders, allowing earlier intervention with multidisciplinary care and more accurate pre-surgical prognostic counselling.
Disruptions in the development of feeding for infants with congenital heart disease
- Courtney E. Jones, Hema Desai, Jennifer L. Fogel, Karli A. Negrin, Andrea Torzone, Susan Willette, Jenn L. Fridgen, Lisa R. Doody, Kimberly Morris, Katherine Engstler, Nancy L. Slater, Barbara Medoff-Cooper, Jodi Smith, Brittney D. Harris, Samantha C. Butler
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- Published online by Cambridge University Press:
- 11 December 2020, pp. 589-596
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Congenital heart disease (CHD) is the most common birth defect for infants born in the United States, with approximately 36,000 affected infants born annually. While mortality rates for children with CHD have significantly declined, there is a growing population of individuals with CHD living into adulthood prompting the need to optimise long-term development and quality of life. For infants with CHD, pre- and post-surgery, there is an increased risk of developmental challenges and feeding difficulties. Feeding challenges carry profound implications for the quality of life for individuals with CHD and their families as they impact short- and long-term neurodevelopment related to growth and nutrition, sensory regulation, and social-emotional bonding with parents and other caregivers. Oral feeding challenges in children with CHD are often the result of medical complications, delayed transition to oral feeding, reduced stamina, oral feeding refusal, developmental delay, and consequences of the overwhelming intensive care unit (ICU) environment. This article aims to characterise the disruptions in feeding development for infants with CHD and describe neurodevelopmental factors that may contribute to short- and long-term oral feeding difficulties.
Technical modifications for transplant in the failing Fontan
- Juan-Miguel Gil-Jaurena, Carlos Pardo, Ana Pita, Ramón Pérez-Caballero, José Zamorano, Manuela Camino, Nuria Gil-Villanueva, Eduardo Zataráin, Raquel Prieto
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- Published online by Cambridge University Press:
- 19 November 2020, pp. 400-405
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Introduction:
Heart transplant after Fontan completion poses a unique surgical challenge. Twenty patients are presented, stressing the technical hints performed in the five anastomoses to match the graft in the recipient.
Methods:Data are collected from 20 Fontan patients between 2013 and 2019. Age (13 years), weight (37 kg.), and time interval between Fontan and transplant (7 years) are presented as median. Extracardiac conduit (size 18/20) was implanted in 15 patients, whereas atrio-pulmonary connection was performed in 4 and lateral tunnel in 1. Six patients developed protein-losing enteropathy. Seventeen stents had been previously deployed.
Results:The five anastomoses underwent some changes. Left atrium once, aorta 9 times, superior vena cava 7 times, pulmonary branches 15 times, and inferior vena cava 12 times. Follow-up was complete for a median of 42 months (range 6–84). Two patients died. ECMO was needed in six cases for pulmonary hypertension. Four patients had collateral vessels occluded in the cath lab, and stents were placed in superior vena cava (1) and aorta (1) post-transplant. Protein-losing enteropathy was resolved in five patients. Interestingly, one patient was on a systemic assist device before transplant (Levitronix) and right assistance (ECMO) afterwards.
Conclusions:Transplant in Fontan patients is actually challenging. Hints in every of the five proposed anastomoses must be anticipated, including stents removal. Extra tissue from the donor (innominate vein, aortic arch, and pericardium) is strongly advisable. ECMO for right ventricular dysfunction was needed in nearly one-third of the cases. Overall results can match other transplant cohorts.
Treatment of attention deficit/hyperactivity disorder in children with CHD
- Alyson R. Pierick, Melodie Lynn, Courtney M. McCracken, Matthew E. Oster, Glen J. Iannucci
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- Published online by Cambridge University Press:
- 01 February 2021, pp. 969-972
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Introduction:
The prevalence of attention deficit/hyperactivity disorder in the general population is common and is now diagnosed in 4%–12% of children. Children with CHD have been shown to be at increased risk for attention deficit/hyperactivity disorder. Case reports have led to concern regarding the use of attention deficit/hyperactivity disorder medications in children with underlying CHD. We hypothesised that medical therapy for patients with CHD and attention deficit/hyperactivity disorder is safe.
Methods:A single-centre, retrospective chart review was performed evaluating for adverse events in patients aged 4–21 years with CHD who received attention deficit/hyperactivity disorder therapy over a 5-year span. Inclusion criteria were a diagnosis of CHD and concomitant medical therapy with amphetamines, methylphenidate, or atomoxetine. Patients with trivial or spontaneously resolved CHD were excluded from analysis.
Results:In 831 patients with CHD who received stimulants with a mean age of 12.9 years, there was only one adverse cardiovascular event identified. Using sensitivity analysis, our median follow-up time was 686 days and a prevalence rate of 0.21% of adverse events. This episode consisted of increased frequency of supraventricular tachycardia in a patient who had this condition prior to initiation of medical therapy; the condition improved with discontinuation of attention deficit/hyperactivity disorder therapy.
Conclusion:The incidence of significant adverse cardiovascular events in our population was similar to the prevalence of supraventricular tachycardia in the general population. Our single-centre experience demonstrated no increased risk in adverse events related to medical therapy for children with attention deficit/hyperactivity disorder and underlying CHD. Further population-based studies are indicated to validate these findings.
Infants with pulmonary atresia intact ventricular septum who require balloon atrial septostomy have significantly higher 18-month mortality
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- Nicole L Herrick, Asimina Courelli, Jesse W Lee, Kanishka Ratnayaka, Laith I Alshawabkeh, John W Moore, Howaida G El-Said
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- Published online by Cambridge University Press:
- 01 March 2021, pp. 1613-1618
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Introduction:
Many newborns with pulmonary atresia/intact ventricular septum require intervention to establish pulmonary flow and sufficient cardiac output. The resulting haemodynamic changes are not well characterised and may have unintended consequences.
Methods:This is a 30-year (1988–2018) retrospective study of patients with pulmonary atresia intact ventricular septum.
Results:Eighty-nine patients were included, and median follow-up was 8 years. Fifty-five per cent had coronary sinusoids and 27% had right ventricular-dependent coronary circulation. Most patients were managed with surgical aortopulmonary or modified Blalock–Taussig shunt (73%), and 12 patients underwent balloon atrial septostomy before surgical intervention. The remaining patients (27%) underwent only transcatheter interventions; 7 required an atrial septostomy and 17 required ductal stentings. All-cause mortality was 10%, most deaths (89%) occurred before 18 months of age. Of these early deaths, 87% required a balloon atrial septostomy and 85% had right ventricular-dependent coronary sinusoids. Eighteen-month mortality was significantly higher for patients who required a balloon atrial septostomy compared to those who did not (36% versus 1.4% p < 0.0001).
Discussion:Patients with pulmonary atresia/intact ventricular septum who require balloon atrial septostomy in the newborn period have significantly higher 18-month mortality. Quantifying the mortality difference may help guide prognostication and expectation setting. Infants who had septostomy and a surgical shunt in the newborn period fared better than those who only underwent septostomy (even when accompanied by ductal stenting). For infants with right ventricular-dependent circulation, atrial septostomy should only be performed on an urgent or emergent basis and these patients should be considered for early surgical intervention and neonatal transplant.
Intracranial aneurysm and coarctation of the aorta: prevalence in the current era
- Lauren Andrade, Arvind Hoskoppal, Mary Hunt Martin, Kevin Whitehead, Zhining Ou, Jinqiu Kuang, Daniel Cox
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- 06 November 2020, pp. 229-232
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Background:
A 10% prevalence of intracranial aneurysms in patients with coarctation of the aorta has been described in a few studies. Our objective is to describe the rate of intracranial aneurysm detection in patients with coarctation of the aorta in the current era. We hypothesise that, with earlier detection and coarctation of the aorta intervention, the rate of intracranial aneurysm is lower than previously reported and screening imaging may only be warranted in older patients or patients with certain risk factors.
Methods:This is a retrospective study of 102 patients aged 13 years and older with coarctation who underwent brain computed tomography angiography, magnetic resonance imaging (MRI), or magnetic resonance angiography between January, 2000 and February, 2018.
Results:The median age of coarctation repair was 4.4 months (2 days–47 years) and the initial repair was primarily surgical (90.2%). There were 11 former smokers, 4 current smokers, and 13 patients with ongoing hypertension. Imaging modalities included computed tomography angiography (13.7%), MRI (41.2%), and magnetic resonance angiography (46.1%), performed at a median age of 33.3 years, 22.4 years, and 25 years, respectively. There were 42 studies performed for screening, 48 studies performed for neurologic symptoms, and 12 studies performed for both screening and symptoms. There were no intracranial aneurysms detected in this study.
Conclusions:These results suggest that the rate of intracranial aneurysms may be lower than previously reported and larger studies should explore the risk of intracranial aneurysms in coarctation of the aorta in the current era.
Temperate approach to ASD closure in pulmonary arterial hypertension: the fenestrated patch technique
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- Ergin Arslanoglu, Nihat Cine, Kenan Abdurrahman Kara, Abdullah Arif Yılmaz, Fatih Tomrukcu, Mehmet Bicer, Eylem Tuncer, Yasemin yavuz, Hakan Ceyran
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- Published online by Cambridge University Press:
- 08 April 2021, pp. 1953-1957
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The most common CHD in the adult patient population is an atrial septal defect due to its asymptomatic nature in early life. However, when diagnosis and treatment are delayed, pulmonary arterial hypertension may develop as a long-term complication, sometimes before adulthood. The presence of PAH adversely affects the results of surgical treatment and may even eliminate the feasibility of surgery in some patients. In such patients who have high pulmonary artery pressure and pulmonary vascular resistance at the margin of inoperability, the response to the acute vasoreactivity test determines the treatment modality.
In our retrospective study, a total of 906 patients who underwent ASD closure between January, 2011 and November, 2020, seven of which had undergone the fenestrated patch procedure after they were identified to have high PAP, but positive AVT test response were included. Short-term follow-up of patients with fenestrated ASD patches revealed decreased pulmonary pressure, regression in NYHA classification, and improvement in symptoms.
The fenestrated patch technique should be kept in mind as an option to expand the surgical spectrum in the treatment of patients with high pulmonary pressures, where complete closure is risky. It appears that the fenestrated patch technique is a safe approach in the management of pulmonary hypertension in patients with ASD who have pulmonary hypertension, according to short- and midterm follow-up findings.
Low-molecular-weight heparin administered by subcutaneous catheter is a safe and effective anti-coagulation regimen in selected inpatient infants and children with complex congenital heart disease
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- Nadja Pardun, Julia Lemmer, Kristina Belker, Milka Pringsheim, Peter Ewert, Cordula M. Wolf
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- Published online by Cambridge University Press:
- 16 February 2021, pp. 1439-1444
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Background/hypothesis:
Disadvantages of intravenous therapeutic unfractionated heparin, the first-line anti-coagulant agent in children with complex congenital heart disease, include unpredictable pharmacokinetics requiring frequent phlebotomies and the need for continuous intravenous access.
Objective:To compare efficacy and safety of low-molecular-weight heparin administered by a subcutaneous indwelling catheter with intravenous unfractionated heparin.
Materials and methods:Clinical data from 31 inpatients prospectively enrolled to receive subcutaneous low-molecular-weight heparin were compared with those from a historical group of 44 inpatients receiving intravenous unfractionated heparin. Investigation of parents’ satisfaction by telephone survey.
Results:The percentage of anti-factor Xa levels outside therapeutic range was lower in the subcutaneous low-molecular-weight heparin group compared with the percentage of activated partial thromboplastin times outside therapeutic range in the intravenous unfractionated heparin group (40% versus 90%, p < 0.001). Neither group had a major complication. Transient local reactions occurred in 19% of patients of the subcutaneous low-molecular-weight heparin group. The number of needle punctures and that of placement of indwelling catheters were significantly lower in the subcutaneous low-molecular-weight heparin compared with the intravenous unfractionated heparin group (p < 0.001). In total, 84.2% of parents in the subcutaneous low-molecular-weight heparin group reported a positive experience when asked about comparison with prior intravenous unfractionated heparin treatment.
Conclusion:Subcutaneous low-molecular-weight heparin offers a safe anti-coagulation regimen for children with complex congenital heart disease providing more efficient therapeutic anti-coagulation and a reduction in needle punctures, thus causing less pain and anxiety in this children.
Impact of Pacemakers and Implantable Cardioverter Defibrillators on the Psychosocial Functioning of Paediatric Patients
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- Ali Dinc Bozat, Sinem Akgül, İlker Ertugrul, Tevfik Karagoz
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- Published online by Cambridge University Press:
- 21 October 2020, pp. 71-76
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Although implanted cardiac devices improve patients’ physical health, long-term psychosocial effects especially in the paediatric population are still unknown. The aim of this study was to evaluate the psychosocial effects of cardiac devices in a paediatric population.
Pediatric Quality of Life Questionnaire (PedsQoL) was used to evaluate life quality, Connor–Davidson Resilience Scale was used to evaluate resilience and Brief Symptom Inventory was used to evaluate psychiatric symptoms in a paediatric population with cardiac devices.
Seventy-one patients were enrolled in the study. Fifty of them (70.5%) had a cardiac pacemaker and 21 of them (29.5%) had implantable cardioverter defibrillator. When compared to the control group both implantable cardioverter defibrillator and pacemaker using patients had lower quality of life (79.5 ± 12.4 versus 86.7 ± 12.1, p = 0.001) but no difference was observed in resilience and psychological pathologies. Age, gender, family size, and education level had no effect on quality of life. Implantable cardioverter defibrillator bearing patients had higher levels of anxiety than pacemaker patients (0.58 versus 0.30 p = 0.045), and implantable cardioverter defibrillator patients who had received shock in the last year had higher levels of somatisation than the group that did not receive device shock (0.17 versus 0.44 p = 0.022).
In conclusion study showed that cardiac devices have negative effects on the psychosocial health of children. Cardiologist working with these patients should be aware of these pathologies and monitor not only physical health but also psychosocial health too.
Perioperative and long-term management of Fontan patients
- May Al-Shawk, Adeolu Banjoko, Ariana Axiaq, Kiran Amin, Amer Harky
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- Published online by Cambridge University Press:
- 12 January 2021, pp. 775-785
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A Fontan circulation requires a series of three-staged operations aimed to palliate patients with single-ventricle CHD. Currently, the most frequent technique is the extracardiac total cavopulmonary connection, an external conduit connecting the IVC and right pulmonary artery, bypassing the right side of the heart. Fontan candidates must meet strict criteria; they are assessed utilising both cardiac catheterisation and cardiac magnetic resonance. Postoperatively, treatment protocols prioritise antibiotic prophylaxis, diuretics, angiotensin-converting enzyme inhibitors, anticoagulation, and oxygen therapy with fluid restriction and a low-fat diet. These measures aim to reduce length of stay in the ICU and hospital by preventing acute complications such as infection, venous thromboembolism, low cardiac output, pleural effusion, and acute kidney injury. Late complications of a Fontan procedure include circulation failure, protein-losing enteropathy, plastic bronchitis, and Fontan-associated liver disease. The definitive management is cardiac transplantation, with promising innovations in selective embolisation of lymphatic vessels and Fontan-specific ventricular assist devices. Further research assessing current protocols in the perioperative management of Fontan patients would be beneficial for standardising current practice and improving outcomes.