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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) exhibits a spectrum of clinical manifestations, spanning from asymptomatic carriage to fatal outcomes. Among young infants, the incidence of severe disease is notably high. The pathogenesis of multisystem inflammatory syndrome (MIS) in neonates associated with SARS-CoV-2 remains elusive, although post-infective immune dysregulation is posited as a significant contributor. Recent cohorts have highlighted the transplacental transfer of immunoglobulins, potentially exacerbating immune dysregulation due to the co-transfer of inflammatory cytokines. Antenatal transmission of viral particles in neonates is rare, with suspicion of nosocomial infection in most cases. This abstract summarizes a case study of a neonate with MIS, presenting with cardiovascular, respiratory, and gastrointestinal involvement, along with fever and elevated biomarkers. Notable observations from similar cases include a predominance of cardiovascular and respiratory symptoms, albeit with variability in echo findings., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Rawat et al.)

A bicuspid aortic valve (BAV) refers to a condition in which the valve has two cusps rather than three. Usually ignored, this manifests itself later in life. This bicuspid valve may manifest earlier in children with significant aortic stenosis because they have a severe left ventricular outflow tract restriction that worsens over time. This syndrome commonly results in congestive heart failure in newborns and early neonatal life. There can be a small amount of significant risk in pediatric patients having this BAV causing stenosis and being one of the reasons for sudden, unexpected death. Morphological differences result from a congenital cardiac abnormality called BAV. This paper emphasizes the importance of a multidisciplinary team in managing BAV and critical aortic stenosis and provides evaluation and treatment guidelines for both conditions. Transcatheter or surgical intervention is used for symptomatic individuals or those with a moderate to severe obstruction of the left ventricular outflow tract., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Nagaraju et al.)

Tracheoesophageal fistula (TEF) is a congenital anomaly resulting from the incomplete fusion of the tracheoesophageal ridge during the third week of embryonic development. This case report presents a male neonate, born at term via normal vaginal delivery, who developed respiratory distress, persistent cough, and vomiting within hours of birth. Despite initial management with respiratory support and antibiotics, the infant's condition persisted, prompting further investigation. High-resolution computed tomography and an esophagogram revealed a suspected H-type TEF, which was confirmed via rigid bronchoscopy. Following the diagnosis, the patient underwent corrective surgery, leading to symptom resolution. This case underscores the importance of considering TEF in neonates with persistent respiratory symptoms and the need for a combination of diagnostic modalities to confirm this rare anomaly. Prompt surgical intervention is crucial to prevent complications and improve outcomes., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Reddy et al.)

Congenital lipoid adrenal hyperplasia is a very rare and severe cause of adrenal insufficiency. It occurs due to a mutation of the steroidogenic acute regulatory protein (StAR), disrupting adrenal steroid biosynthesis. Here, we report a case of a three-week-old female infant with vomiting, failure to thrive, electrolyte imbalance, and generalized hyperpigmentation. The hormonal assay and genetic diagnosis confirmed a mutation in the StAR protein, leading to adrenal insufficiency. Appropriate replacement therapy resulted in the resolution of clinical and biochemical abnormalities. This case is being reported for its rare etiology and diagnostic clues. It can guide clinicians to keep adrenal insufficiency as a differential diagnosis in a neonate presenting with hyperpigmentation and electrolyte disturbance to save lives., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Rawat et al.)

A rare and challenging case of a preterm neonate with clinical and radiological signs of respiratory distress syndrome (RDS) since the first hour of life but was refractory to its standard treatment regimes like surfactant therapy and ventilation. Postmortem lung biopsy led us to the diagnosis of congenital pulmonary alveolar proteinosis (PAP). It occurs due to the aggregation of abnormal surfactant proteins and lipids in the alveoli, which hampers gas diffusion across the alveoli. It presents as respiratory distress at birth, and its diagnosis is often missed due to its resemblance with RDS. Although the exact etiology remains elusive, mutations in genes encoding surfactant and granulocyte-macrophage colony-stimulating factor (GM-CSF) pathway components have been implicated in the pathogenesis of PAP. Treatment options are limited and only supportive. Among all these, whole-lung lavage is the most widely used management modality but with limited success in neonates., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Rawat et al.)

Neonatal aortic thrombosis, though rare, is associated with high mortality and is frequently linked to umbilical vessel catheterization, especially in smaller and critically ill infants due to their low levels of natural anticoagulants and increased prothrombotic activity. We report a case of a term neonate with abdominal aortic thrombosis and severe lower limb ischemia, presenting with respiratory distress requiring intubation and subsequent development of thrombosis by day 7. Initial anticoagulation with heparin proved insufficient, necessitating the use of reteplase and intra-arterial thrombolysis, which resulted in clinical improvement despite limited immediate success in Doppler studies. The patient was discharged on low-molecular-weight heparin against medical advice, highlighting the complexities and need for individualized management strategies in neonatal thromboembolism., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Reddy et al.)

Adrenal haemorrhage, although a rare entity in the neonatal period, is a known complication of birth asphyxia. Adrenal haemorrhage progresses differently depending on the type and extent of the glands involved. Adrenal haemorrhage can cause persistent jaundice, fever, dehydration, scrotal swelling, abdominal wall discolouration, septicemia, and a shock-like state. Here, we report the case of a four-day-old male infant who presented with jaundice, poor feeding, and hypernatremic dehydration. The patient developed acute kidney injury and, eventually, renal failure due to adrenal haemorrhage. He had an abdominal lump with deranged renal parameters along with hyperbilirubinemia. Abdominal ultrasonography and contrast computed tomography scan showed left suprarenal enlargement with evidence of adrenal haemorrhage. The patient was managed well with ventilatory support and peritoneal dialysis and discharged successfully. A subsequent follow-up showed complete resolution of the adrenal haemorrhage. Single ultrasonography is a good modality for diagnosis but not sufficient, so serial ultrasonography at subsequent follow-up is a must., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Lakra et al.)