Editorial: Rising stars in pediatric cardiology 2023

this collection, Aly et al. studied the incidence of severe CHD in premature children and the impact of prematurity on outcome of children with severe CHD. The authors retrospectively examined a National multicenter database. They found a higher risk of severe CHD in premature infants from less affluent backgrounds. The study also examined the mortality rates in severe CHD cases versus gestational agematched controls and show increased major neonatal morbidity including higher rates of necrotizing enterocolitis, bronchopulmonary dysplasia, interventricular hemorrhage and periventricular leukomalacia adjusted for relevant factors such as birth weight and gender 7 . In another manuscript, Huang et al., conducts a study focusing on the importance of considering non-cardiac anomalies (NCAs) in children with CHD, as these can significantly impact the overall prognosis and management of the condition. Recognizing the varied probabilities and types of NCAs across different CHD subtypes is crucial for early detection, comprehensive evaluation, and tailored therapeutic approaches. The findings underscore the need for multidisciplinary teamwork involving cardiologists, geneticists, and other specialists to optimize care for these patients 8 (Huang et al., 2024). From the same group, Zhao et al., presented their comprehension of the complex interplay between primary ciliary dyskinesia (PCD), heterotaxy, and CHD, but it also highlights the necessity for preoperative screening of ciliary dysfunction in patients with heterotaxy and CHD. This proactive strategy can substantially improve postoperative respiratory care and ultimately enhance the overall health and well-being of these patients 9 . Another example of the importance of considering NCAs in children with CHD is the studie of Peng et al., which emphasizes importance of considering Tuberous Sclerosis Complex (TSC) in fetus and children with ardiac rhabdomyomas, regardless of size or location. Concurrent TSC leads to a generally less favorable prognosis due to epilepsy and neurological abnormalities, also granting a specialized and multidisciplinary approach 14 .Mu et al., devised a nomogram model specifically for patients diagnosed with Diffuse Large B-Cell Lymphoma (DLBCL). This model demonstrated admirable predictive efficacy and exceptional discriminative capability. Such a tool may substantially assist clinicians in formulating refined therapeutic strategies at the time of the initial diagnosis. The predictors identified for cardiovascular mortality (CVM) encompassed age at diagnosis, gender, ethnicity, tumor grade, Ann Arbor staging, receipt of radiotherapy, and specific chemotherapy regimens. Clinical variables ascertained at the diagnostic juncture can discern DLBCL patients who are at a heightened risk of CVM, thereby suggesting that preventative interventions should be contemplated for this subpopulation 10 .In a multicenter prospective observational study, De Wolf et al., report on the late cardiac outcomes of 36 children who were recruited during the acute phase of multisystem inflammatory syndrome. In the late-term follow-up visit, with the evaluation of late cardiac outcomes CMR does not show any myocardial scarring in children with a normal echocardiographic LVEF. Subclinical myocardial damage can persist in the late term, and further follow-up seems appropriate in these patients 12 .This collection includes three interesting case reports illustrating different aspect of pediatric cardiology care. In the first case Luo et al., present a fetus with prenatal diagnosis of severe pulmonary stenosis with intact ventricular septum. In this case report, while the right ventricular volume did not reach significant values to support prenatal intervention, the authors observed a significant decrease in tricuspid valve gradient and annular z-score. Postnatally, a 1.5 ventricular circulation seemed the only feasible option. The authors concluded that besides right ventricular volume, which is the most accepted parameter for biventricular repair (PMID: 30238627), tricuspid valve regurgitation and zscore could be useful additional parameters.In the second case report, Xu et al., present a child with excessive vagal tone manifesting as sinus pauzes of up to 7,4 seconds, multiple episodes of sinus bradycardia, and junctional escape rhythms. The authors apply for the first time in a child cardioneuroablation (CNA) therapy for this indication and demonstrate improved clinical outcomes, including symptom alleviation and resolution of rhythm disorders 11 . This innovative approach seemed therefor safe and effective.Finally, in the last case report, Zhou et al., show a singular case of an infant diagnosed with Williams-Beuren syndrome (WS) who manifested an accelerated progression of arterial stenosis and exhibited left ventricular endocardial calcification. This case was associated with a novel heterozygous deletion not previously described in the literature. While arterial stenosis represents the most frequently encountered cardiovascular complication in patients with WS, the occurrence of endocardial calcification during infancy is exceptionally uncommon. To our knowledge, this is the first documented instance of endocardial calcification in an infant with WS, suggesting a unique phenotype that expands the known cardiovascular manifestations associated with this genetic condition 13 .This collection gathers some interesting aspect of pediatric cardiology: (1) The study of cardiovascular remodeling during fetal life and its sequelae demands a multidisciplinary effort, encompassing developmental biology, genetics, epidemiology, and clinical cardiology. (2) A broad understanding of the molecular and environmental determinants of cardiovascular health and of disease associated with congenital and acquired heart diseases, will facilitate the development of innovative preventive, diagnostic, and therapeutic strategies. As research progresses, it is imperative that findings are translated into clinical practices that can mitigate the onset and progression of cardiovascular diseases, ultimately enhancing the quality of life and longevity for those affected.The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.LMM is co-author of one of the included manuscriptsLS: Writing -original draft, Writing -review and editing. LMM: Writing -review and editing.

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