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1.
Pediatr Cardiol ; 2024 Apr 03.
Artigo em Inglês | MEDLINE | ID: mdl-38565667

RESUMO

Prenatal diagnosis of critical congenital heart disease (CCHD) has improved over time, and previous studies have identified CCHD subtype and socioeconomic status as factors influencing rates of prenatal diagnosis. Our objective of this single-center study was to compare prenatal diagnosis rates of newborns with CCHD admitted for cardiac intervention from the COVID-19 pandemic period (March 2020 to March 2021) to the pre-pandemic period and identify factors associated with the lack of CCHD prenatal diagnosis. The overall rate of CCHD and rates of the various CCHD diagnoses were calculated and compared with historical data collection periods (2009-2012 and 2013-2016). Compared with the 2009-2012 pre-pandemic period, patients had 2.17 times higher odds of having a prenatal diagnosis of CCHD during the pandemic period controlling for lesion type (aOR = 2.17, 95% CI 1.36-3.48, p = 0.001). Single ventricle lesions (aOR 6.74 [4.64-9.80], p < 0.001) and outflow tract anomalies (aOR 2.20 [1.56-3.12], p < 0.001) had the highest odds of prenatal diagnosis compared with the remaining lesions. Patients with outflow tract anomalies had higher odds for prenatal detection in the pandemic period compared with during the 2009-2012 pre-pandemic period (aOR 2.01 [1.06-3.78], p = 0.031). In conclusion, prenatal detection of CCHD among newborns presenting for cardiac intervention appeared to have improved during the pandemic period.

3.
BMC Infect Dis ; 24(1): 418, 2024 Apr 19.
Artigo em Inglês | MEDLINE | ID: mdl-38641577

RESUMO

AIM: Palivizumab has proven effective in reducing hospitalizations, preventing severe illness, improving health outcomes, and reducing healthcare costs for infants at risk of respiratory syncytial virus (RSV) infection. We aim to assess the value of palivizumab in preventing RSV infection in high-risk infants in Colombia, where RSV poses a significant threat, causing severe respiratory illness and hospitalizations. METHODS: We conducted a decision tree analysis to compare five doses of palivizumab with no palivizumab. The study considered three population groups: preterm neonates (≤ 35 weeks gestational age), infants with bronchopulmonary dysplasia (BPD), and infants with hemodynamically significant congenital heart disease (CHD). We obtained clinical efficacy data from IMpact-RSV and Cardiac Synagis trials, while we derived neonatal hospitalization risks from the SENTINEL-1 study. We based hospitalization and recurrent wheezing management costs on Colombian analyses and validated them by experts. We estimated incremental cost-effectiveness ratios and performed 1,000 Monte Carlo simulations for probabilistic sensitivity analyses. RESULTS: Palivizumab is a dominant strategy for preventing RSV infection in preterm neonates and infants with BPD and CHD. Its high efficacy (78% in preventing RSV in preterm infants), the substantial risk of illness and hospitalization, and the high costs associated with hospitalization, particularly in neonatal intensive care settings, support this finding. The scatter plots and willingness-to-pay curves align with these results. CONCLUSION: Palivizumab is a cost-saving strategy in Colombia, effectively preventing RSV infection in preterm neonates and infants with BPD and CHD by reducing hospitalizations and lowering healthcare costs.


Assuntos
Cardiopatias Congênitas , Infecções por Vírus Respiratório Sincicial , Vírus Sincicial Respiratório Humano , Lactente , Recém-Nascido , Humanos , Palivizumab/uso terapêutico , Infecções por Vírus Respiratório Sincicial/tratamento farmacológico , Infecções por Vírus Respiratório Sincicial/epidemiologia , Infecções por Vírus Respiratório Sincicial/prevenção & controle , Análise Custo-Benefício , Colômbia/epidemiologia , Antivirais/uso terapêutico , Recém-Nascido Prematuro , Anticorpos Monoclonais Humanizados/uso terapêutico , Hospitalização
4.
Artigo em Inglês | MEDLINE | ID: mdl-38629488

RESUMO

OBJECTIVES: To assess and quantify the association between pre-pregnancy maternal overweight and obesity, and the risk of congenital heart defects (CHDs) in offspring. METHODS: This systematic review and meta-analysis included searches of PubMed, Medline, Web of science, and Scopus up to April 20th, 2023. Risk estimates were abstracted or calculated for rising body mass index categories (overweight, obesity, moderate and severe obesity) compared to normal weight (reference). Fixed-effects or random-effects models were used to combine individual study risk estimates based on the degree of heterogeneity. Sensitivity analyses were conducted to weight pooled estimates for relevant moderators, particularly diabetes prior and during pregnancy. Subgroup analyses for specific congenital heart defects were conducted if there were at least two studies with accessible data. The findings were presented in two ways: as groups of defects, categorized using severity and topographic-functional criteria, and as individual defects. The certainty of the evidence for each effect estimate was evaluated according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) guidelines. RESULTS: Twenty studies for a total of 4,861,693 patients and 86,136 CHDs cases were included. The risk for CHDs progressively increases from moderate to severe obesity (pooled odds ratio (OR), respectively: 1.15, 95% confidence interval (CI), 1.11-1.20, and 1.39, 95% CI, 1.27-1.53). Sensitivity analysis indicated that this effect persists independently of maternal diabetes status before or during pregnancy. In subgroup analysis, obesity was associated with up to a 1.5-fold increase in the risk of severe CHDs (pooled OR, 1.48; 95% CI, 1.03-2.13). Specifically, severe obesity was found to be associated with an even higher risk, increasing up to 1.8 times for specific CHDs including tetralogy of Fallot (pooled OR, 1.72; 95% CI, 1.38-2.16), pulmonary valve stenosis (pooled OR, 1.79; 95% CI, 1.39-2.30), and atrial septal defects (pooled OR, 1.71; 95% CI, 1.48-1.97). CONCLUSIONS: Maternal weight emerged as a crucial modifiable risk factor for preventing CHDs, particularly the severe forms. Future research is needed to investigate whether weight management prior to pregnancy might serve as a preventive measure against CHDs. Additionally, for pregnant women with obesity, fetal echocardiography ought to be a routine diagnostic procedure. This article is protected by copyright. All rights reserved.

5.
J Clin Med ; 13(7)2024 Apr 02.
Artigo em Inglês | MEDLINE | ID: mdl-38610825

RESUMO

Background: Heart rate variability (HRV) is an established, non-invasive parameter for the assessment of cardiac autonomic nervous activity and the health status in general cardiology. However, there are few studies on HRV in adults with congenital heart defects (CHDs). The aim of the present study was to evaluate the use of long-term continuous HRV measurement for the assessment of global health status in adults with cyanotic CHD. Methods: This prospective study included 45 adults (40% female, mean age = 35.2 ± 9.2 [range: 19-58] years) after cardiac surgical repair. HRV parameters were calculated from continuous 24 h measurements using a Bittium Faros 180 sensor (Bittium Corp., Oulu, Finland). Results: Postoperative patients with transposition of the great arteries (TGA) (n = 18) achieved significantly higher values of standard deviation of NN intervals (SDNN) (175.4 ± 59.9 ms vs. 133.5 ± 40.6 ms; p = 0.013) compared with patients with other conotruncal anomalies (n = 22). Comparing patients with TGA after a Senning-Brom or Mustard operation (n = 13) with all other heart surgery patients (n = 32), significantly higher HRV parameters were found after atrial switch (root mean square of successive RR interval differences: 53.6 ± 20.7 ms vs. 38.4 ± 18.3 ms; p = 0.019; SDNN: 183.5 ± 58.4 ms vs. 136.3 ± 45.3 ms; p = 0.006). A higher SDNN was also measured after Senning-Brom or Mustard operations than after a Rastelli operations (n = 2) (SDNN: 183.5 ± 58.4 ms vs. 84.5 ± 5.2 ms; p = 0.037). When comparing atrial switch operations (n = 3) with Rastelli operations, the SDNN value was significantly shorter in the Rastelli group (p = 0.004). Conclusions: Our results suggest that continuous HRV monitoring may serve as a marker of cardiac autonomic dysfunction in adults with cyanotic CHD after surgical repair. Impaired cardiac autonomic nervous activity may be associated with an increased risk of adverse reactions in patients with repaired CHD. Therefore, a longitudinal assessment of HRV patterns and trends may provide a deeper insight into dynamic changes in their autonomic regulation and disease progression, lifestyle changes, or treatments. As each person has individual variability in heart rate, HRV may be useful in assessing intra-individual disease progression and may help to improve personalized medicine. Further studies are needed to better understand the underlying mechanisms and to explore the full potential of HRV analysis to optimize medical care for ACHDs.

6.
J Arrhythm ; 40(2): 356-362, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38586833

RESUMO

Background: Arrhythmia is one of the most common complications after cardiac surgery. The objectives of this study were to determine the prevalence and analyze the risk factors of postoperative arrhythmia in pediatric patients after cardiac surgery for congenital heart defects (CHD) at a single center in Bali, Indonesia over 2 years period. Methods: A cross-sectional study, among 120 pediatric patients with CHD who underwent cardiac surgery, 92 patients met inclusion criteria in this study. The data were taken from medical records included demographic data, anthropometry, electrocardiography, surgical procedures, perioperative parameters, electrolyte levels, and management of postoperative arrhythmias. Results: Among 92 patients, 14 (15.2%) developed postoperative arrhythmias. Complete heart block (CHB) the most common arrhythmia, observed in five patients (35.7%), followed by supraventricular tachycardia three patients (21.4%). There were statistically significant differences between arrhythmia and nonarrhythmia groups for cardiopulmonary bypass (CPB) duration (171.23 vs. 108.01 min), aortic cross-clamp duration (115.58 vs. 73.59 min), ischemia duration (106.33 vs. 65.43 min), and potassium level (3.33 vs. 3.88 mmol/L) with p < .05. Based on multivariate linear regression analysis, CPB time and potassium level were found to be independent risk factor. Conclusions: Early postoperative arrhythmia observed 15.2% in this study, dominated by CHB. CPB duration, aortic cross-clamping, ischemia time, and potassium level were statistically significantly different between arrhythmia and nonarrhythmia groups.

7.
Artigo em Inglês | MEDLINE | ID: mdl-38531618

RESUMO

BACKGROUND: This study focuses on biomarkers in infants after open heart surgery, and examines the association of high-sensitive troponin T (hs-cTnT), interleukin-6 (IL-6), and interleukin-8 (IL-8) with postoperative acute kidney injury (AKI), ventilatory support time and need of vasoactive drugs. METHODS: Secondary exploratory study from a double-blinded clinical randomized trial (Mile-1) on 70 infants undergoing open heart surgery with cardiopulmonary bypass (CPB). In this sub-study, the entire study population was examined without considering the study drugs. The biomarkers' peak concentration (highest concentration at 2 or 6 h post-CPB) were used for statistical analyses. RESULTS: Peak IL-8, hs-cTnT, and IL-6 occurred at 2 h post-CPB for 96%, 79%, and 63% of the patients, respectively. The odds ratio of developing AKI2-3 for IL-6 > 293 pg/mL was 23.4 (95% CI 5.3;104.0), for IL-8 > 100 pg/mL it was 11.5 (3.0;44.2), and for hs-cTnT >5597 pg/mL it was 6.1 (1.5; 24.5). In more than two third of the patients with the highest peak concentrations of IL-8, IL-6, and hs-cTnT, there was a need for ventilatory support for >24 h and use of vasoactive drugs at 24 h post-CPB, while in less than one third of the patients with the lowest peak concentrations of IL-8 and hs-cTnT such requirements were observed. CONCLUSIONS: The peak biomarker concentrations and CPB-time strongly predicted AKI2-3, with IL-6 and IL-8 emerging as strongest predictors. Furthermore, our findings suggest that measuring hs-cTnT and IL-8 just 2 h post-CPB-weaning may assist in identifying infants suitable for early extubation and highlight those at risk of prolonged ventilation.

8.
BMC Cardiovasc Disord ; 24(1): 181, 2024 Mar 26.
Artigo em Inglês | MEDLINE | ID: mdl-38532336

RESUMO

BACKGROUND: Adults with congenital heart defects (ACHD) globally constitute a notably medically underserved patient population. Despite therapeutic advancements, these individuals often confront substantial physical and psychosocial residua or sequelae, requiring specialized, integrative cardiological care throughout their lifespan. Heart failure (HF) is a critical challenge in this population, markedly impacting morbidity and mortality. AIMS: The primary aim of this study is to establish a comprehensive, prospective registry to enhance understanding and management of HF in ACHD. Named PATHFINDER-CHD, this registry aims to establish foundational data for treatment strategies as well as the development of rehabilitative, prehabilitative, preventive, and health-promoting interventions, ultimately aiming to mitigate the elevated morbidity and mortality rates associated with congenital heart defects (CHD). METHODS: This multicenter survey will be conducted across various German university facilities with expertise in ACHD. Data collection will encompass real-world treatment scenarios and clinical trajectories in ACHD with manifest HF or at risk for its development, including those undergoing medical or interventional cardiac therapies, cardiac surgery, inclusive of pacemaker or ICD implantation, resynchronization therapy, assist devices, and those on solid organ transplantation. DESIGN: The study adopts an observational, exploratory design, prospectively gathering data from participating centers, with a focus on patient management and outcomes. The study is non-confirmatory, aiming to accumulate a broad spectrum of data to inform future hypotheses and studies. PROCESSES: Regular follow-ups will be conducted, systematically collecting data during routine clinical visits or hospital admissions, encompassing alterations in therapy or CHD-related complications, with visit schedules tailored to individual clinical needs. ASSESSMENTS: Baseline assessments and regular follow-ups will entail comprehensive assessments of medical history, ongoing treatments, and outcomes, with a focus on HF symptoms, cardiac function, and overall health status. DISCUSSION OF THE DESIGN: The design of the PATHFINDER-CHD Registry is tailored to capture a wide range of data, prioritizing real-world HF management in ACHD. Its prospective nature facilitates longitudinal data acquisition, pivotal for comprehending for disease progression and treatment impacts. CONCLUSION: The PATHFINDER-CHD Registry is poised to offer valuable insights into HF management in ACHD, bridging current knowledge gaps, enhancing patient care, and shaping future research endeavors in this domain.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Cardiopatias Congênitas , Insuficiência Cardíaca , Adulto , Humanos , Cardiopatias Congênitas/diagnóstico , Progressão da Doença , Sistema de Registros , Função Ventricular
9.
Pediatr Radiol ; 2024 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-38488925

RESUMO

Magnetic resonance imaging (MRI) is now an indispensable diagnostic tool in medicine due to its outstanding contrast resolution and absence of radiation exposure, enabling detailed tissue characterization and three-dimensional anatomical representation. This is especially important when evaluating individuals with congenital heart disease (CHD) who frequently require cardiac implantable electrical devices (CIEDs). While MRI safety issues have previously limited its use in patients with CIEDs, new advances have called these limitations into question. However, difficulties persist in the pediatric population due to the continued lack of specific safety data both related to imaging young children and the specific CIED devices they often require. This paper discusses MRI safety considerations related to imaging patients with CIEDs, investigates pediatric-specific problems, and describes thorough methods for safe MRI access, highlighting the significance of specialized institutional guidelines.

10.
Curr Top Dev Biol ; 156: 51-119, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38556427

RESUMO

Congenital heart disease (CHD) is the most common birth defect affecting>1.35 million newborn babies worldwide. CHD can lead to prenatal, neonatal, postnatal lethality or life-long cardiac complications. RNA binding protein (RBP) mutations or variants are emerging as contributors to CHDs. RBPs are wizards of gene regulation and are major contributors to mRNA and protein landscape. However, not much is known about RBPs in the developing heart and their contributions to CHD. In this chapter, we will discuss our current knowledge about specific RBPs implicated in CHDs. We are in an exciting era to study RBPs using the currently available and highly successful RNA-based therapies and methodologies. Understanding how RBPs shape the developing heart will unveil their contributions to CHD. Identifying their target RNAs in the embryonic heart will ultimately lead to RNA-based treatments for congenital heart disease.


Assuntos
Cardiopatias Congênitas , Coração , Feminino , Gravidez , Recém-Nascido , Humanos , Cardiopatias Congênitas/genética , RNA Mensageiro/metabolismo , RNA , Proteínas de Ligação a RNA/genética , Proteínas de Ligação a RNA/metabolismo
11.
J Clin Med ; 13(6)2024 Mar 12.
Artigo em Inglês | MEDLINE | ID: mdl-38541848

RESUMO

Backgroud: Congenital heart defects (CHDs) are the most frequent group of major congenital anomalies, accounting for almost 1% of all births. They comprise a very heterogeneous group of birth defects in terms of their severity, clinical management, epidemiology, and embryologic origins. Taking this heterogeneity into account is an important imperative to provide reliable prognostic information to patients and their caregivers, as well as to compare results between centers or to assess alternative diagnostic and treatment strategies. The Anatomic and Clinical Classification of CHD (ACC-CHD) aims to facilitate both the CHD coding process and data analysis in clinical and epidemiological studies. The objectives of the study were to (1) Describe the long-term childhood survival of newborns with CHD, and (2) Develop and validate predictive models of infant mortality based on the ACC-CHD. Methods: This study wasbased on data from a population-based, prospective cohort study: Epidemiological Study of Children with Congenital Heart Defects (EPICARD). The final study population comprised 1881 newborns with CHDs after excluding cases that were associated with chromosomal and other anomalies. Statistical analysis included non-parametric survival analysis and flexible parametric survival models. The predictive performance of models was assessed by Harrell's C index and the Royston-Sauerbrei RD2, with internal validation by bootstrap. Results: The overall 8-year survival rate for newborns with isolated CHDs was 0.96 [0.93-0.95]. There was a substantial difference between the survival rate of the categories of ACC-CHD. The highest and lowest 8-year survival rates were 0.995 [0.989-0.997] and 0.34 [0.21-0.50] for "interatrial communication abnormalities and ventricular septal defects" and "functionally univentricular heart", respectively. Model discrimination, as measured by Harrell's C, was 87% and 89% for the model with ACC-CHD alone and the full model, which included other known predictors of infant mortality, respectively. The predictive performance, as measured by RD2, was 45% and 50% for the ACC-CHD alone and the full model. These measures were essentially the same after internal validation by bootstrap. Conclusions: The ACC-CHD classification provided the basis of a highly discriminant survival model with good predictive ability for the 8-year survival of newborns with CHDs. Prediction of individual outcomes remains an important clinical and statistical challenge.

12.
J Am Heart Assoc ; 13(7): e031575, 2024 Apr 02.
Artigo em Inglês | MEDLINE | ID: mdl-38533951

RESUMO

BACKGROUND: Studies show that an impaired maternal-fetal environment (iMFE) increases the mortality risk in children with single-ventricle congenital heart defects (CHDs). We investigated the impact of an iMFE on death in children with various surgically corrected CHDs. METHODS AND RESULTS: In this nationwide register-based study, we examined the association between an iMFE (including preeclampsia, gestational hypertension, gestational diabetes, maternal smoking during pregnancy) and death in a large cohort of children with surgically corrected CHDs in Denmark (1994-2018). Survival analysis was done using Cox regression, adjusted for confounding and mediating covariates. The cohort included 3304 children: 1662 (50.3%) with minor CHD and 1642 (49.7%) with major CHD. Among them, 792 (24%) children were exposed to an iMFE. During the study, there were 290 deaths: 71 (9.3%) in children exposed to an iMFE and 219 (8.7%) in those unexposed. There were no differences in mortality risk between children with CHD exposed to an iMFE and those unexposed (hazard ratio [HR], 1.12 [95% CI, 0.86-1.47]; P=0.4). This was consistent across subgroups, including minor CHD (HR, 0.76 [95% CI, 0.39-1.47]; P=0.4), major CHD (HR, 1.23 [95% CI, 0.92-1.64]; P=0.2), and hypoplastic left heart syndrome/univentricular heart (HR, 1.08 [95% CI, 0.64-1.85]; P=0.8). CONCLUSIONS: Impairment of the maternal-fetal environment did not impact the mortality rate in children with CHD undergoing operation in Denmark from 1994 to 2018. We believe the cause of these discrepant findings to previous studies may be due to differences in the composition of CHD and prenatal maternal health care and health status of the population.


Assuntos
Cardiopatias Congênitas , Hipertensão Induzida pela Gravidez , Pré-Eclâmpsia , Gravidez , Feminino , Criança , Humanos , Cardiopatias Congênitas/epidemiologia , Cuidado Pré-Natal , Dinamarca/epidemiologia
13.
Curr Top Dev Biol ; 156: 19-50, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38556423

RESUMO

The cardiovascular development in vertebrates evolves in response to genetic and mechanical cues. The dynamic interplay among mechanics, cell biology, and anatomy continually shapes the hydraulic networks, characterized by complex, non-linear changes in anatomical structure and blood flow dynamics. To better understand this interplay, a diverse set of molecular and computational tools has been used to comprehensively study cardiovascular mechanobiology. With the continual advancement of computational capacity and numerical techniques, cardiovascular simulation is increasingly vital in both basic science research for understanding developmental mechanisms and disease etiologies, as well as in clinical studies aimed at enhancing treatment outcomes. This review provides an overview of computational cardiovascular modeling. Beginning with the fundamental concepts of computational cardiovascular modeling, it navigates through the applications of computational modeling in investigating mechanobiology during cardiac development. Second, the article illustrates the utility of computational hemodynamic modeling in the context of treatment planning for congenital heart diseases. It then delves into the predictive potential of computational models for elucidating tissue growth and remodeling processes. In closing, we outline prevailing challenges and future prospects, underscoring the transformative impact of computational cardiovascular modeling in reshaping cardiovascular science and clinical practice.


Assuntos
Cardiopatias Congênitas , Coração , Animais , Simulação por Computador , Coração/fisiologia , Hemodinâmica , Modelos Cardiovasculares
14.
Ann Agric Environ Med ; 31(1): 147-150, 2024 Mar 25.
Artigo em Inglês | MEDLINE | ID: mdl-38549490

RESUMO

There are 21 human cyclin-dependent kinases which are involved in regulation of the cell cycle, transcription, RNA splicing, apoptosis and neurogenesis. Five of them: CDK4, CDK5, CDK6, CDK10 and CDK13 are associated with human phenotypes. To date, only 62 patients have been presented with mutated CDK13 gene. Those patients had developmental delay, dysmorphic facial features, feeding difficulties, different structural heart and brain defects. 36 of them had missense mutation affecting the protein kinase domain of CDK13. Our patient is the first person reported so far with a frameshift mutation which introduce premature stop codon in the first exon of the CDK13 gene. She has symptoms characteristic for congenital heart defects, facial dysmorphism and intellectual developmental disorder (CHDFIDD).


Assuntos
Deficiências do Desenvolvimento , Cardiopatias Congênitas , Deficiência Intelectual , Criança , Feminino , Humanos , Proteína Quinase CDC2/genética , Quinases Ciclina-Dependentes/genética , Deficiências do Desenvolvimento/genética , Cardiopatias Congênitas/genética , Deficiência Intelectual/genética , Mutação de Sentido Incorreto , Fenótipo
15.
C R Biol ; 347: 9-18, 2024 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-38488639

RESUMO

Congenital heart defects (CHD) affect 1 in 100 live births and result from defects in cardiac development. Growth of the early heart tube occurs by the progressive addition of second heart field (SHF) progenitor cells to the cardiac poles. The SHF gives rise to ventricular septal, right ventricular and outflow tract myocardium at the arterial pole, and atrial, including atrial septal myocardium, at the venous pole. SHF deployment creates the template for subsequent cardiac septation and has been implicated in cardiac looping and in orchestrating outflow tract development with neural crest cells. Genetic or environmental perturbation of SHF deployment thus underlies a spectrum of common forms of CHD affecting conotruncal and septal morphogenesis. Here we review the major properties of SHF cells as well as recent insights into the developmental programs that drive normal cardiac progenitor cell addition and the origins of CHD.


Les malformations cardiaques congénitales touchent 1 naissance sur 100 et résultent d'anomalies du développement cardiaque. La croissance du tube cardiaque précoce se produit par l'ajout progressif de cellules progénitrices du second champ cardiaque (SHF) aux pôles cardiaques. Le SHF contribue au myocarde septal ventriculaire, au myocarde ventriculaire droit et au myocarde de la voie de sortie au pôle artériel, et au myocarde auriculaire, y compris le myocarde septal auriculaire, au pôle veineux. Le déploiement du SHF est essentiel pour la septation cardiaque et a été impliqué dans la formation du boucle cardiaque et, avec les cellules de la crête neurale, dans l'orchestration du développement de la voie efférente. Perturbation génétique ou environnementale du déploiement du SHF est donc à l'origine d'un spectre de formes communes de maladies cardiaques congénitales affectant la morphogenèse conotroncale et septale. Ici, nous passons en revue les principales propriétés des cellules du SHF ainsi que les découvertes récentes sur les programmes de développement qui contrôlent l'ajout de cellules progénitrices cardiaques ainsi que les origines des malformations cardiaques congénitales.


Assuntos
Cardiopatias Congênitas , Coração , Humanos , Cardiopatias Congênitas/genética , Miocárdio , Células-Tronco , Morfogênese
16.
Cell Mol Bioeng ; 17(1): 25-34, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38435791

RESUMO

Purpose: Individuals with Down syndrome (DS) are 2000 times more likely to develop a congenital heart defect (CHD) than the typical population Freeman et al. in Am J Med Genet 80:213-217 (1998). The majority of CHDs in individuals with DS characteristically involve the atrioventricular (AV) canal, including the valves and the atrial or ventricular septum. Type VI collagen (COLVI) is the primary structural component in the developing septa and endocardial cushions, with two of the three genes encoding for COLVI located on human chromosome 21 and upregulated in Down syndrome (von Kaisenberg et al. in Obstet Gynecol 91:319-323, 1998; Gittenberger-De Groot et al. in Anatom Rec Part A 275:1109-1116, 2023). Methods: To investigate the effect of COLVI dosage on cardiomyocytes with trisomy 21, induced pluripotent stem cells (iPSC) from individuals with DS and age- and sex-matched controls were differentiated into cardiomyocytes (iPSC-CM) and plated on varying concentrations of COLVI. Results: Real time quantitative PCR showed decreased expression of cardiac-specific genes of DS iPSC-CM lines compared to control iPSC-CM. As expected, DS iPSC-CM had increased expression of genes on chromosome 21, including COL6A1, COL6A2, as well as genes not located on chromosome 21, namely COL6A3, HAS2 and HYAL2. We found that higher concentrations of COLVI result in decreased proliferation and migration of DS iPSC-CM, but not control iPSC-CM. Conclusions: These results suggest that the increased expression of COLVI in DS may result in lower migration-driven elongation of endocardial cushions stemming from lower cell proliferation and migration, possibly contributing to the high incidence of CHD in the DS population. Supplementary Information: The online version contains supplementary material available at 10.1007/s12195-023-00791-x.

17.
J Am Coll Cardiol ; 83(12): 1149-1159, 2024 Mar 26.
Artigo em Inglês | MEDLINE | ID: mdl-38508848

RESUMO

BACKGROUND: Life expectancy of patients with congenital heart disease (CHD) has increased rapidly, resulting in a growing and aging population. Recent studies have shown that older people with CHD have higher morbidity, health care use, and mortality. To maintain longevity and quality of life, understanding their evolving medical and psychosocial challenges is essential. OBJECTIVES: The authors describe the frailty and cognitive profile of middle-aged and older adults with CHD to identify predictor variables and to explore the relationship with hospital admissions and outpatient visits. METHODS: Using a cross-sectional, multicentric design, we included 814 patients aged ≥40 years from 11 countries. Frailty phenotype was determined using the Fried method. Cognitive function was assessed by the Montreal Cognitive Assessment. RESULTS: In this sample, 52.3% of patients were assessed as robust, 41.9% as prefrail, and 5.8% as frail; 38.8% had cognitive dysfunction. Multinomial regression showed that frailty was associated with older age, female sex, higher physiologic class, and comorbidities. Counterintuitively, patients with mild heart defects were more likely than those with complex lesions to be prefrail. Patients from middle-income countries displayed more prefrailty than those from higher-income countries. Logistic regression demonstrated that cognitive dysfunction was related to older age, comorbidities, and lower country-level income. CONCLUSIONS: Approximately one-half of included patients were (pre-)frail, and more than one-third experienced cognitive impairment. Frailty and cognitive dysfunction were identified in patients with mild CHD, indicating that these concerns extend beyond severe CHD. Assessing frailty and cognition routinely could offer valuable insights into this aging population.


Assuntos
Disfunção Cognitiva , Fragilidade , Cardiopatias Congênitas , Idoso , Pessoa de Meia-Idade , Humanos , Feminino , Fragilidade/diagnóstico , Fragilidade/epidemiologia , Fragilidade/complicações , Idoso Fragilizado/psicologia , Estudos Transversais , Qualidade de Vida , Cognição , Disfunção Cognitiva/complicações , Cardiopatias Congênitas/complicações , Cardiopatias Congênitas/epidemiologia , Avaliação Geriátrica/métodos
19.
Cardiovasc Diagn Ther ; 14(1): 101-108, 2024 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-38434561

RESUMO

Background: Percutaneous atrial septal defect (ASD) closure is the preferred treatment for patients with suitable ASD anatomy. The safety and effectiveness of transcatheter closure have been established. However, reports on transesophageal echocardiography (TEE)-guided percutaneous closure of ASD via the right internal jugular vein (RIJV) are limited. The study aims to discuss the safety and effectiveness of percutaneous trans-jugular vein closure of ASD. Methods: We conducted a retrospective analysis of patients (n=103) with secondary ASD who underwent surgical treatment in the Department of Cardiovascular Surgery, the Second Hospital of Jilin University between July 2015 to July 2022. The article is a cross-sectional study. Clinical data, including age, gender, weight, defect diameter, tricuspid regurgitation, left atrial (LA) size, and the operation results, were collected and evaluated. Nonparametric rank sum tests were used to assess tricuspid regurgitation before and after surgery, while paired sample t-tests were used to compare LA size before and after surgery. Results: TEE-guided percutaneous closure of ASD via the RIJV was successfully performed in 97 out of 103 (94.2%) cases. The average procedure time was 34.48±13.06 min, and the mean age at the time of the procedure and ASD size were 36±18 years and 15.45±5.82 mm, respectively. On analyzing medical records and echocardiographic images, postoperative complications were found to occur in four (3.9%) patients. Among these, three patients had residual shunt as indicated by echocardiography during the operation, which subsequently disappeared at the three-month follow-up. One patient developed atrial fibrillation after surgery but returned to normal sinus rhythm with medication. Percutaneous closure of ASD via the RIJV was unsuccessful in 6 patients (5.8%), with 5 of them undergoing transthoracic ASD closure and achieving satisfactory results. One patient refused further surgical treatment. No pericardial effusion, thrombosis, atrioventricular block, or other complications were observed during the 3-month to 1-year follow-up period. Conclusions: ASD closure via the RIJV is a safe and effective therapeutic approach. The initial results are satisfactory, but further studies with large sample sizes and long-term follow-up are warranted to assess the long-term outcomes.

20.
Braz J Cardiovasc Surg ; 39(2): e20230091, 2024 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-38426430

RESUMO

INTRODUCTION: Findings of inadequate tissue perfusion might be used to predict the risk of mortality. In this study, we evaluated the effects of lactate and lactate clearance on mortality of patients who had undergone extracorporeal membrane oxygenation (ECMO). METHODS: Patients younger than 18 years old and who needed venoarterial ECMO support after surgery for congenital heart defects, from July 2010 to January 2019, were retrospectively analyzed. Patients successfully weaned from ECMO constituted Group 1, and patients who could not be weaned from ECMO were in Group 2. Postoperative clinics and follow-ups of the groups including mortality and discharge rates were evaluated. RESULTS: There were 1,844 congenital heart surgeries during the study period, and 55 patients that required ECMO support were included in the study. There was no statistically significant difference between the groups regarding demographics and operative variables. The sixth-, 12th-, and 24th-hour lactate levels in Group 1 were statistically significantly lower than those in Group 2 (P=0.046, P=0.024, and P<0.001, respectively). There were statistically significant differences regarding lactate clearance between the groups at the 24th hour (P=0.009). The cutoff point for lactate level was found as ≥ 2.9, with 74.07% sensitivity and 78.57% specificity (P<0.001). The cutoff point for lactate clearance was determined as 69.44%, with 59.26% sensitivity and 78.57% specificity (P=0.003). CONCLUSION: Prognostic predictive factors are important to initiate advanced treatment modalities in patients with ECMO support. In this condition, lactate and lactate clearance might be used as a predictive marker.


Assuntos
Oxigenação por Membrana Extracorpórea , Cardiopatias Congênitas , Humanos , Adolescente , Ácido Láctico , Oxigenação por Membrana Extracorpórea/efeitos adversos , Resultado do Tratamento , Estudos Retrospectivos , Cardiopatias Congênitas/cirurgia
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