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OBJECTIVE: When the expectant mother is faced with an unforeseen event during pregnancy, she may experience emotional fragility and depression. This study was carried out to test the association between the time of diagnosis of critical congenital heart disease (CCHD) and depressive symptoms in puerperal women. METHOD: A case-control study. All mothers answered a semi-structured questionnaire and the Edinburgh Postnatal Depression Scale (EPDS). Pearson's correlation and multiple linear regression analysis were used to determine factors associated with depression. RESULTS: 50 puerperal women, 23 cases and 27 controls. The proportion of puerperal depressive symptoms was 26.1 % among mothers of infants prenatally diagnosed with CCHD and 77.8 % among mothers of infants postnatally diagnosed (p = 0.001 [OR] 9.917; 95 % CI 2.703-36.379). Multiple linear regression analysis showed that the use of psychotropic drugs and time of diagnosis were significantly associated with puerperal depressive symptoms. CONCLUSION: Prenatal diagnosis of CCHD was associated with significantly lower levels of depressive symptoms.

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Ectopia cordis is a congenital heart malformation of the sternal wall, with a prevalence of 0.1% among heart conditions and an incidence of 5.5 to 7.9 per million births. It is characterized by the heart being located outside the thoracic cavity, and it may be accompanied by other congenital anomalies such as omphalocele, Cantrell´s pentalogy, or Fallot´s tetralogy. We present a case of thoracic ectopia cordis in a male neonate. After birth, we also observed a midline thoracic malformation and respiratory difficulties with clinical and paraclinical features consistent with tetralogy of Fallot. It was decided to provide skin flap coverage, and due to the poor prognosis of the heart condition, palliative care was chosen. Unfortunately, the neonate passed away after seven days. This clinical case study contributes to understanding this rare condition and may help improve diagnosis and treatment of affected patients.

La ectopia cordis es una malformación cardíaca congénita de la pared esternal, con una prevalencia del 0,1%, e incidencia del 5,5 al 7,9 por millón de nacimientos. Se caracteriza por situar al corazón fuera de la cavidad torácica, puede acompañarse de otras anomalías congénitas como onfalocele, pentalogía de Cantrell o tetralogía de Fallot. Presentamos un caso de ectopia cordis torácica en un recién nacido de sexo masculino. Después del nacimiento, también observamos una malformación de la línea media torácica y dificultad respiratoria con características clínicas y paraclínicas compatibles con tetralogía de Fallot. Se realizó una cobertura con colgajo cutáneo, y debido al mal pronóstico, se optó por cuidados paliativos; con fallecimiento después de siete días. Este estudio de caso clínico contribuye a la comprensión de esta rara enfermedad, y puede ayudar a mejorar el diagnóstico y tratamiento de los pacientes afectados.

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Although Down syndrome (DS) is considered a risk factor for hemodynamic instabilities (mainly pulmonary hypertension-PH) following surgery for congenital cardiac communications, many DS patients do surprising well postoperatively. We prospectively analyzed perioperative factors for a possible correlation with post-cardiopulmonary bypass (CPB) inflammatory reaction and postoperative PH in pediatric subjects. Sixty patients were enrolled (age 3 to 35 months), 39 of them with DS. Clinical and echocardiographic parameters (anatomical and hemodynamic) were computed preoperatively. Pulmonary and systemic mean arterial pressures (PAP and SAP) were assessed invasively intra and postoperatively. Immediate postoperative PAP/SAP ratio (PAP/SAPIPO) and the behavior of pressure curves were selected as primary outcome. Serum levels of 36 inflammatory proteins were measured by chemiluminescence preoperatively and 4 h post CPB. Of all factors analyzed, peripheral oxygen saturation (O2Sat, bedside assessment) was the only preoperative predictor of PAP/SAPIPO at multivariate analysis (p = 0.007). Respective values in non-DS, DS/O2Sat ≥ 95% and DS/O2Sat < 95% subgroups were 0.34 (0.017), 0.40 (0.027) and 0.45 (0.026), mean (SE), p = 0.004. The difference between non-DS and DS groups regarding postoperative PAP curves (upward shift in DS patients, p = 0.015) became nonsignificant (p = 0.114) after adjustment for preoperative O2Sat. Post-CPB levels of at least 5 cytokines were higher in patients with O2Sat < 95% versus those at or above this level, even within the DS group (p < 0.05). Thus, a baseline O2Sat < 95% representing pathophysiological phenomena in the airways and the distal lung, rather than DS in a broad sense, seems to be associated with post-CPB inflammation and postoperative PH in these patients.

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Nowadays, understanding the anatomy of the tricuspid valve is crucial. The bicuspid tricuspid valve is a rare anatomical variation of this valve. We present highly illustrative images with 3D echo that allow a more realistic analysis of the forgotten valve.

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Background: Given the pervasive issues of obesity and diabetes both in Puerto Rico and the broader United States, there is a compelling need to investigate the intricate interplay among BMI, pregestational, and gestational maternal diabetes, and their potential impact on the occurrence of congenital heart defects (CHD) during neonatal development. Methods: Using the comprehensive System of Vigilance and Surveillance of Congenital Defects in Puerto Rico, we conducted a focused analysis on neonates diagnosed with CHD between 2016 and 2020. Our assessment encompassed a range of variables, including maternal age, gestational age, BMI, pregestational diabetes, gestational diabetes, hypertension, history of abortion, and presence of preeclampsia. Results: A cohort of 673 patients was included in our study. The average maternal age was 26 years, within a range of 22 to 32 years. The mean gestational age measured 39 weeks, with a median span of 38 to 39 weeks. Of the 673 patients, 274 (41%) mothers gave birth to neonates diagnosed with CHD. Within this group, 22 cases were linked to pre-gestational diabetes, while 202 were not; 20 instances were associated with gestational diabetes, compared to 200 without; and 148 cases exhibited an overweight or obese BMI, whereas 126 displayed a normal BMI. Conclusion: We identified a statistically significant correlation between pre-gestational diabetes mellitus and the occurrence of CHD. However, our analysis did not show a statistically significant association between maternal BMI and the likelihood of CHD. These results may aid in developing effective strategies to prevent and manage CHD in neonates.

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OBJECTIVE: To assess health-related quality of life (HRQOL) and global quality of life (QOL) in children and adolescents with Fontan physiology and identify key predictors influencing these outcomes. STUDY DESIGN: Cross-sectional analysis of 73 children and adolescents enrolled in the Australia and New Zealand Fontan Registry aged 6-17 years, at least 12 months post-Fontan operation. Assessments included the Pediatric Quality of Life Inventory (PedsQL) for HRQOL and a developmentally-tailored visual analogue scale (0-10) for global QOL, along with validated sociodemographic, clinical, psychological, relational, and parental measures. Clinical data were provided by the Australia and New Zealand Fontan Registry. RESULTS: Participants (mean age: 11.5 ± 2.6 years, 62% male) reported lower overall HRQOL (P < .001), and lower scores across all HRQOL domains (all P < .0001), compared with normative data. Median global QOL score was 7.0 (IQR 5.8-8.0), with most participants (79%) rating their global QOL ≥6. Anxiety and depressive symptoms requiring clinical assessment were reported by 21% and 26% of participants, respectively. Age, sex, and perceived seriousness of congenital heart disease explained 15% of the variation in HRQOL scores, while depressive symptoms and treatment-related anxiety explained an additional 37% (final model: 52% of variance explained). For global QOL, sociodemographic and clinical factors explained 13% of the variance in scores, while depressive symptoms explained a further 25% (final model: 38% of variance explained). Parental factors were not associated with child QOL outcomes. CONCLUSIONS: Children and adolescents with Fontan physiology experience lower HRQOL than community-based norms, despite reporting fair overall QOL. Psychological factors predominantly influenced QOL outcomes, indicating strategies to bolster psychological health could improve QOL in this population.

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Introduction: Congenital Heart Disease (CHD) is the most common congenital disorder and a leading cause of infant mortality. Despite improved survival rates, patients with CHD often face malnutrition due to increased metabolic demands, feeding difficulties, and gastrointestinal dysfunction. Malnutrition in CHD is linked to poor short and long-term clinical outcomes. Gastrostomy (GT) is frequently used for long-term enteral support, and laparoscopic GT (LGT) has demonstrated advantages in children without CHD. This study evaluated a modified Georgeson's percutaneous LGT technique and its perioperative complications in children with CHD. Methods: We performed an analytical retrospective cohort study from 2018 to 2022, including patients younger than 24 months with a diagnosis of CHD who underwent LGT. The primary outcome evaluated was the presence of complications during surgery and the first thirty postoperative days. Complications were graded using Clavien-Dindo's (CD) classification. Sociodemographic, clinical, and procedure-related variables were collected. A bivariate analysis was performed using STATA 15, and a p < 0.05 was considered statistically significant. Results: Seventy-eight patients were eligible (male 56.41%, Median age 129.5 days, weight: 4.83 kg). The median surgery time was 35 min. The complication rate was 24.36%. The most frequent complications were GT site infection (10.26%), followed by leakage (8.97%) and granuloma formation (6.41%). Conversion to open surgery was significantly associated with postoperative complications (p = 0.002). Conclusion: This modified technique is well-tolerated in children with CHD, demonstrating a low rate of CD grade 3A/3B complications and no grade 4 or 5 complications.

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OBJECTIVE: To profile the gut microbiome (GM) in infants with congenital heart disease (CHD) undergoing cardiac surgery compared with matched infants and to investigate the association with growth (weight, length, and head circumference). STUDY DESIGN: A prospective study in the cardiac intensive care unit at Children's Healthcare of Atlanta and newborn nursery within the Emory Healthcare system. Characteristics including weight, length, head circumference, and surgical variables were collected. Fecal samples were collected presurgery (T1), postsurgery (T2), and before discharge (T3), and once for controls. 16 small ribosomal RNA subunit V4 gene was sequenced from fecal samples and classified into taxonomy using Silva v138. RESULTS: There were 34 children with CHD (cases) and 34 controls. Cases had higher alpha-diversity, and beta-diversity showed significant dissimilarities compared with controls. GM was associated with lower weight and smaller head circumference (z-score < 2). Lower weight was associated with less Acinetobacter, Clostridioides, Parabacteroides, and Escherichia-Shigella. Smaller head circumference with more Veillonella, less Acinetobacter, and less Parabacteroides. CONCLUSIONS: Significant differences in GM diversity and abundance were observed between infants with CHD and control infants. Lower weight and smaller head circumference were associated with distinct GM patterns. Further study is needed to understand the longitudinal effect of microbial dysbiosis on growth in children with CHD.

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This study evaluated the feasibility of a parent-led, home-based early intervention for motor development in infants with Congenital Heart Disease (CHD), part of a larger multicenter, single-blind randomized controlled trial (ClinicalTrials.gov NCT05907109). Parents, supported by remote specialists weekly, engaged in multidomain stimulation activities five days a week, for six months. Feasibility was assessed via parental questionnaires, adherence rates, and infant motor development assessments. Despite high dropout and mortality rates, results showed 80% adherence, 91% parental satisfaction, 75% availability, and 60% self-efficacy. No significant motor skill differences were noted between the intervention (IG; n = 19) and control groups (CG; n = 11) at six months, but the higher baseline risk in IG suggests promotion of motor skills in the intervention group. Future studies in Brazil might extend the study duration to address high dropout and mortality rates.

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Background: Infants with single ventricle heart disease and severe atrioventricular valve regurgitation have poor outcomes following conventional staged palliation. As such, ventricular assist device (VAD) placement along with hybrid stage 1 palliation has been proposed as a bridge to heart transplant. We present a novel surgical technique for VAD implantation concurrent with hybrid stage 1 that avoids cardiopulmonary bypass. Methods: We performed a retrospective review of our institutional experience with this novel surgical technique. Results: Three patients (weight, 2.7-3.5 kg; age, 3 to 5 days) underwent hybrid stage 1 with VAD placement, consisting of bilateral 3.5-mm expandable polytetrafluoroethylene (PTFE) pulmonary artery bands, a ductal stent, a 6-mm Berlin Heart outflow cannula onto the main pulmonary trunk with a 10-mm graft, a 6-mm Berlin Heart outflow cannula onto the right atrium, and a 10-mL Berlin Heart pump. In patients with severe aortic arch hypoplasia or coarctation, a 4-mm PTFE graft was sewn from the VAD outflow graft to the innominate artery to protect coronary and cerebral perfusion. Procedures were performed off bypass with minimal blood product use. Patients were extubated on postoperative days 2, 2, and 5. There were no procedural complications. All patients were transferred out of the intensive care unit and demonstrated appropriate weight gain. Anticoagulation strategy was bivalirudin and antiplatelet therapy. The patients underwent transplantation after 149 days, 157 days, and 288 days of support. Conclusions: Off-pump single ventricle VAD placement is technically feasible and can be done at the time of hybrid stage 1 palliation with minimal operative morbidity as a bridge to transplant.

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BACKGROUND: Surgical management of congenital heart disease (CHD) has increased worldwide, but healthcare-associated infections (HAIs) can threaten these efforts. AIM: To analyse the incidence of HAI, the impact of preventive interventions, and microbiological profiles in a paediatric cardiovascular surgery programme. METHODS: Cohort study including children aged <12 years with CHD who underwent cardiovascular surgery between 2010 and 2021 in Medellín, Colombia (a middle-income setting). Data were collected from medical and laboratory records and infection control programme databases. Impact of various preventive interventions was assessed using a Poisson model. P < 0.05 was considered statistically significant. FINDINGS: A total of 2512 surgeries were analysed. Incidence of surgical site infection (SSI) was 5.9%, followed by central line-associated bloodstream infection (CLABSI; 4.7%), catheter-associated urinary tract infection (CAUTI; 2.2%), and ventilator-associated pneumonia (VAP; 1.4%). Most of the strategies focused on preventing SSI, resulting in a reduction from 9.5% in 2010 to 3.0% in 2021 (P = 0.030). Antibiotic prophylaxis based on patient weight and continuous infusion had an impact on reducing SSI (RR: 0.56; 95% CI: 0.32-0.99). Vacuum-assisted closure (VAC) in clean wounds reduced 100% of infections. No significant risk reduction was observed for other HAI with the implemented interventions. CONCLUSION: Preventive strategies effectively reduced SSI but no other infections, emphasizing the need for targeted approaches to address a broader spectrum of HAI successfully.

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OBJECTIVE: To assess processing speed, fine motor function, attention, and executive function (EF) impairments in adolescents with complex congenital heart disease (CHD) who underwent open-heart surgery during infancy. STUDY DESIGN: We administered a comprehensive neuropsychological test battery evaluating 5 EF domains: working memory, inhibition, cognitive flexibility, fluency, and planning and primary neurodevelopmental processes (PNPs): processing speed, fine motor function, and attention. The sample included 100 adolescents with complex CHD from a previous University Children's Hospital Zurich study, with 104 healthy controls for comparison. We generated scores for each EF domain and computed an EF summary score. Group comparisons and associations were analyzed with multiple regressions accounting for parental education. Mediation analysis explored how PNPs mediate the effect between a CHD diagnosis and EF. RESULTS: In adolescents with complex CHD, all EF domains and the EF summary score were impaired (ß = 0.20 to 0.37, all P < .05). Furthermore, they exhibited slower processing speed (ß = 0.27, P < .01) than healthy controls, with no differences in attention (ß = -0.07, P = .34) and fine motor function (ß = 0.08, P = .34). Processing speed showed a strong association with the EF summary score (ß = 0.60, P < .001) and partially mediated the relationship between CHD diagnosis and the EF summary score (ß = 0.37, 95% CI [0.24, 0.50], P < .001). CONCLUSION: Adolescents with complex CHD show difficulties in EFs and processing speed. Notably, processing speed is strongly associated with EFs and partly accounts for EFs disparities between patients and healthy controls. Early detection and interventions for processing speed difficulties may improve EF outcomes in these patients.

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CLINICAL DATA: Female, seven years old, referred to our service complaining about congestive heart failure symptoms due to mitral valve regurgitation and atrial septal defect. Technical description: Echocardiographic findings compatible with Barlow's disease and atrial septal defect, ostium secundum type. OPERATION: She was submitted to mitral valvuloplasty with chordal shortening and prosthetic posterior ring (Gregori-Braile®) along with patch atrioseptoplasty. COMMENTS: Mitral valve regurgitation is a rare congenital heart disease and Barlow's disease is probably rarer. Mitral valve repair is the treatment of choice.

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OBJECTIVE: To test the hypothesis that neonates with symptomatic tetralogy of Fallot (TOF) and absent ductus arteriosus (ADA) have worse clinical outcomes compared with those with a ductus arteriosus (DA), and that this difference is driven by those born with ADA and with critically deficient pulmonary blood flow (CDPBF). STUDY DESIGN: We performed a retrospective, multicenter cohort study of neonates who underwent intervention for symptomatic TOF comparing death and reintervention between subjects with and without a DA identified on fetal echocardiogram or on echocardiogram performed in the first postnatal day. Exclusion criteria were as follows: inability to define DA status, collaterals supplying pulmonary blood flow, atrioventricular septal defect, and absent pulmonary valve. We defined CDPBF as undergoing a procedure to augment pulmonary blood flow on the date of birth or extracorporeal membrane oxygenation prior to such a procedure. RESULTS: The study cohort included 519 patients, among whom 11% had ADA. Patients with ADA were more likely to have a genetic syndrome and had smaller branch pulmonary artery size. In analyses adjusting for center, interventional treatment strategy, genetic syndrome, and minimum branch pulmonary artery size, ADA was associated with higher mortality risk (adjusted hazard ratio of 2.37 (95% CI: 1.07,5.27; P = .034). Seven patients had CDPBF (1.3% of the entire cohort and 12% of patients with ADA). CONCLUSIONS: A minority of symptomatic TOF neonates have ADA, which is associated with higher adjusted mortality risk compared with those with a DA. CDPBF appears to be a rare but important entity in this population.

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Background: Congenital heart disease is the most common congenital condition worldwide, with a prevalence of 80 cases per 10 000 live births. In addition to perinatal morbidity and mortality, it entails long-term consequences such as multiple surgeries, prolonged hospitalizations, lifelong cardiac follow-up, reduced quality of life, risk of heart failure, and premature mortality in adulthood. This significant health and economic burden on healthcare systems and families highlights the relevance of evaluating the cost-effectiveness of methods for early detection of this condition. Objective: To conduct a systematic literature review (SLR) to identify and analyze existing economic evaluations on prenatal detection of congenital heart diseases through ultrasound, focusing on the reported cost-effectiveness results and the methodological quality of the evaluated studies according to established criteria. Methods: An SLR of economic evaluations was conducted following PRISMA guidelines. A quantitative synthesis of key methodological components of each economic evaluation was performed. The incremental medical costs, effectiveness measures, and cost-effectiveness ratios reported in each study were compiled and compared. The methodological quality was assessed according to compliance with the 24 CHEERS criteria. Results: We found 785 articles, of which only 7 met all inclusion criteria. Most were cost-effectiveness analyses, with the most common outcome being number of cases detected. Screening with only 4-chamber views interpreted by general practitioners or cardiologists were dominant strategies compared with screening with 4-chamber plus outflow views interpreted by a general practitioner. Fetal echocardiography was most effective but most expensive. Screening with 4-chamber and outflow view, followed by referral to a specialist, were recommended as the least expensive strategy per defect detected. On average, articles met 17 of the 24 CHEERS criteria. Discussion: While recent cost-effectiveness analyses demonstrated improved methodological quality, there was a lack of homogeneity due to differences in comparators and population subgroups analyzed. Despite this heterogeneity, fetal ultrasonography screening was consistently identified as a cost-effective strategy, with its cost-effectiveness heavily influenced by the expertise of the interpreting physician. Conclusion: Most studies recommend implementing obstetric ultrasonography screening, without routine fetal echocardiography, for detecting congenital heart diseases.

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OBJECTIVE: To characterize patterns in the geospatial distribution of pre- and postnatally diagnosed congenital heart disease (CHD) across 6 surgical centers. STUDY DESIGN: A retrospective, multicenter case series from the Fetal Heart Society identified patients at 6 centers from 2012 through 2016 with prenatally (PrND) or postnatally (PoND) diagnosed hypoplastic left heart syndrome (HLHS) or d-transposition of the great arteries (TGA). Geospatial analysis for clustering was done by the average nearest neighbor (ANN) tool or optimized hot spot tool, depending on spatial unit and data type. Both point location and county case rate per 10 000 live births were assessed for geographic clustering or dispersion. RESULTS: Of the 453 CHD cases, 26% were PoND (n = 117), and 74% were PrND (n = 336). PrND cases, in all but one center, displayed significant geographic clustering by the ANN. Conversely, PoND cases tended toward geographic dispersion. Dispersion of PoND HLHS occurred in 2 centers (ANN = 1.59, P < .001; and 1.47, P = .016), and PoND TGA occurred in 2 centers (ANN = 1.22, P < .05; and ANN = 1.73, P < .001). Hot spot analysis of all CHD cases (TGA and HLHS combined) revealed clustering near areas of high population density and the tertiary surgical center. Hot spot analysis of county-level case rate, accounting for population density, found variable clustering patterns. CONCLUSION: Geographic dispersion among postnatally detected CHD highlights the need for a wider reach of prenatal cardiac diagnosis tailored to the specific needs of a community. Geospatial analysis can support centers in improving the equitable delivery of prenatal care.

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Objective: The atrio-ventricular and ventricle-arterial double discordance (DD) or corrected transposition of the great arteries is a rare heart disease, it occurs in 0.02-0.07 of every 1,000 live newborns. The objective of the study is to describe the diagnosis, treatment and evolution of a series of patients with DD. Method: A retrospective and descriptive study was carried out, reviewing the records of patients diagnosed with DD in the last 22 years. Descriptive statistics were performed. Numerical variables were obtained using means and standard deviation and categorical variables using frequencies and percentages. Results: Thirty patients were studied in 22 years with a ratio of 1.5:1 for men, with a mean age of 20 months. The situs was solitus in 24/29 patients (82.7%). Ventricular septal defect was the most frequent lesion in 25/29 (86.2%) Tricuspid insufficiency in 70%. Four patients diagnosed with pulmonary atrial hypertension. With atrio-ventricular block 20%. One with Wolff-Parkinson-White syndrome. Surgical treatment was carried out in 70% of patients. Eight with Glenn procedure (26.6%) and 4 with Fontan surgery (13.3%). Follow-up ranged from 1 month to 17 years. Five died (16.6%). Of the 25 patients in follow-up, 18 patients (72%) had normal ventricular function, 5 with Grade II Ross classification (20%) and 2 in Grade III (8%). Conclusions: The quality of life of these patients is improving and there is still controversy in the literature about the ideal time to perform the most appropriate surgical procedure.

Objetivo: La doble discordancia auriculo-ventricular y ventrículo-arterial (DD) o transposición corregida de las grandes arterias, se presenta en 0.02-0.07 de cada 1,000 recién nacidos vivos. El objetivo del estudio es describir el diagnóstico, tratamiento y evolución de pacientes con DD. Método: Se realizó un estudio retrospectivo y descriptivo, revisando los registros de pacientes con DD en los últimos 22 años. Se realizó estadística descriptiva. Las variables numéricas se obtuvieron mediante medias y desviación estándar y las categóricas mediante frecuencias y porcentajes. Resultados: Se estudiaron 30 pacientes con una relación de 1.5:1 para el varón, con una edad media de 20 meses. El situs fue solitus en 24/29 pacientes (82.7%). La comunicación interventricular fue la lesión más frecuente en 25/29 pacientes (86.2%), insuficiencia tricuspídea en el 70%. Cuatro pacientes con diagnóstico de hipertensión arterial pulmonar. Con bloqueo atrio-ventricular un 20%. Uno con síndrome de Wolff-Parkinson-White. El tratamiento quirúrgico se realizó en el 70% de los pacientes. Con procedimiento de Glenn 8 (26.6%) y 4 cirugías de Fontan (13.3%). El seguimiento fue de 1 mes a 17 años. Cinco fallecieron (16.6%). De los 25 restantes, 18 pacientes (72%) con función ventricular normal, 5 con clasificación de Ross grado II (20%) y 2 en G III (8%). Conclusiones: La calidad de vida de estos pacientes está mejorando, aún existe controversia sobre el momento ideal para realizar el procedimiento más adecuado quirúrgico.

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Isolated apical ventricular hypoplasia is an extremely rare congenital heart disease. We describe 2 cases, each affecting a different side, presenting with unique clinical and imaging characteristics not hitherto delineated in the literature.

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INTRODUCTION: Cyanotic congenital heart diseases constitute 40-45% of all congenital heart diseases. In patients who are not suitable for primary repair, modified BT (MBT) shunt and central shunt (CS) procedures are still frequently used. METHODS: This study included 62 pediatric patients who underwent MBT shunt or CS via median sternotomy. Patients' demographic, echocardiographic, operative, and postoperative data were collected retrospectively. The patients were classified as single ventricle and bi-ventricle according to their cardiac anatomy, and the presence of prematurity and heterotaxy was noted. Procedure details of the patients who underwent endovascular intervention prior to the surgery were investigated, and operation data were accessed from the surgery notes. Data regarding postoperative follow-ups were obtained and comparatively analyzed. RESULTS: Of the total 62 patients, 32 (51.6%) were newborns and 16 (25.8%) had a body weight < 3 kg. MBT shunt was applied to 48 patients (77.4%), while CS was applied to 14 patients (22.6%). There was no significant difference between the two surgical procedures in terms of requirement for urgent shunt or cardiopulmonary bypass, additional simultaneous surgical intervention, need for high postoperative inotropes, and in-hospital mortality (P>0.05). The rate of congestive heart failure in patients with in-hospital mortality was determined as 66.7% and it was significantly higher than in patients without heart failure (P<0.001). CONCLUSION: MBT shunt and CS are still frequently used in cyanotic patients. The use of small-diameter shunts, particularly when centrally located, can prevent the onset of congestive heart failure and lower mortality.

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