Objective To better understand the clinical spectrum and course of congenital Zika syndrome (CZS) during the first 18 months of life of children whose mothers had rash during pregnancy. Methods This longitudinal observational study evaluated the clinical progress from birth until 18 months of life of children of mothers who developed rash during or up to 3 months before gestation. Maternal rash occurred from November 2015 to May 2017. The study subjects were divided into three groups: children whose mothers tested positive by RT-qPCR for Zika virus (ZIKV) (Group 1), children whose mothers tested negative by RT-qPCR for ZIKV (Group 2), and children whose mothers did not undergo any testing for ZIKV (Group 3) but tested negative for other congenital infections. Results Between April 2016 and July 2018, we studied 108 children: 43 in Group 1, 26 in Group 2 and 39 in Group 3. The majority of children were admitted into the study within 6 months of life. CZS was diagnosed in 26 children, equally distributed in Groups 1 and 3. Of 18 children with microcephaly, 6 were in Group 1 (1 postnatal) and 12 were in Group 3 (5 postnatal). Maternal rash frequency was 10 times higher during the first trimester than in the other trimesters (OR: 10.35; CI 95%: 3.52–30.41). CZS was diagnosed during the follow-up period in 14 (54%) cases. Developmental delays and motor abnormalities occurred in all children and persisted up to 18 months. Epilepsy occurred in 18 (69%) of the cases. Conclusions Infants born of mothers exposed to ZIKV during pregnancy showed progression of developmental, motor and neurologic abnormalities even if they were born asymptomatic. Continued postnatal monitoring of such newborns is necessary to preclude disability-associated complications.
Background: Non-compacted cardiomyopathy (NCCM) is characterized by hypertrabeculations and deep recesses in the left ventricle, with a heterogeneous clinical presentation, ranging from asymptomatic patients to those with heart failure (HF), thromboembolic events and arrhythmias with risk of sudden death. As it is rare and does not have well-defined diagnostic criteria, its natural history in pediatrics is poorly understood. This study describes the clinical presentation and clinical course of patients with NCCM.Methodology: Observational, longitudinal, prospective study of pediatric patients seen at a pediatric cardiology referral center from metropolitan region II in the state of Rio de Janeiro, with NCCM phenotype on echocardiogram (ECHO) during a 2-year follow-up, from the ChARisMa registry.Results: 6 patients aged 4 to 14, with NCCM, were analyzed. Mean age 7.5 years (SD: 3.93), 3 males (50%). The patients presented HF (n=2), cardiac murmur (n=1), cardiac arrhythmia (n=1), were asymptomatic (n=1) or were under investigation for a genetic syndrome (n=1). Phenotypes on ECHO: NCCM/dilated cardiomyopathy (n=1) and NCCM/restrictive cardiomyopathy (n=1), isolated phenotype of NCCM (n=4). Cardiac magnetic resonance imaging was performed and confirmed the diagnosis (n=4). The outcomes observed were thromboembolism, indication for heart transplantation, and sustained ventricular tachycardia. Conclusions:This case series provides relevant data for pediatric NCCM as it shows its heterogeneous clinical presentation and potentially fatal complications. More prospective studies are needed for an accurate diagnosis and to allow its clinical course, therapeutic response and prognosis to be better known.
Myocarditis in children and adolescents is an inflammatory myocardial disease with a heterogeneous presentation ranging from oligosymptomatic, with no impaired ejection fraction to catastrophic clinical presentation with cardiogenic shock (fulminant myocarditis) or sudden death. Thus, this condition remains a major challenge from the diagnostic and therapeutic points of view. Despite the different etiologies listed, the most frequent form may be related to viral diseases, and new forms of myocarditis, such allergic ones (eosinophilic and use of medications, particularly cancer immunotherapy), have been currently described. Increasing the rate of suspicion is crucial. Measurement of serum levels of troponin and N-terminal B-type natriuretic peptide, as well as the use of advanced methods of cardiac imaging, such as strain echocardiogram, positron emission tomography, and cardiac magnetic resonance, are integral part of multimodal assessment in suspected patients. Although endomyocardial biopsy remains is still the gold standard for disease diagnosis, currently it tends to be performed in specific situations, such as fulminant clinical presentation and chronic or recurrent myocarditis. The management of this condition includes general supportive care, treatment of heart failure, control of arrhythmias when present, assessment of mechanical support and cardiac transplantation. Treatments based on immunosuppression and immunotherapy are still controversial. In this article, we propose a broad review of diagnostic and treatment methods, as well as the different etiologies in the pediatric population.
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