Background: Ewing sarcoma (EWS) is an aggressive soft-tissue and bone malignancy. Congenital EWS is extremely rare, and its presenting features can be unique from that of EWS occurring in older children. Clinical Findings: A full-term female infant with a neck mass present at birth was admitted to a level I nursery with an otherwise well appearance and normal vital signs. After consultation with a neonatologist, she was transferred to a neonatal intensive care unit where she developed sudden respiratory collapse from rapid growth of the mass causing airway obstruction, leading to emergent intubation. Ultrasound and MRI scans of the neck mass demonstrated cystic and vascular components, and a timely biopsy revealed small round blue cells with diffuse CD99 expression and chromosomal translocation 11;22. Primary Diagnosis: Ewing sarcoma. Interventions: An accelerated workup for EWS was done due to the patient's critical status. On day of life (DOL) 8, she was started on treatment of EWS as per the current standard-of-care AEWS0031. On DOL 24, she underwent tracheostomy placement. Outcomes: The patient completed 14 total cycles of chemotherapy and is more than 12 months old. Her tracheostomy was decannulated at 6 months of age. Practice Recommendations: The rarity of EWS in neonates and its presentation as a neck mass make this disease difficult to recognize unless clinicians have a high index of suspicion. The aims of this case report are to increase awareness of malignancy as a potential cause of neck masses in neonates and to prompt nurses and physicians to prepare for airway stabilization at appropriate levels of care if a neck mass is present at birth.
Background: Atrial fibrillation of new onset during acute illness (AFNOAI) has a variable incidence of 1%–44% in hospitalized patients. This study assesses the risk factors for persistence of AFNOAI in the 5 years post hospital discharge for critically ill patients.Methods: This was a retrospective cohort study. All patients ≥18 years old admitted to the medical intensive care unit (MICU) of a tertiary care hospital from January 1st, 2012, to October 31st, 2015, were screened. Those designated with atrial fibrillation (AF) for the first time during the hospital admission were included. Risk factors for persistent AFNOAI were assessed using a Cox’s proportional hazards model. Results: Two-hundred and fifty-one (1.8%) of 13,983 unique MICU admissions had AFNOAI. After exclusions, 108 patients remained. Forty-one patients (38%) had persistence of AFNOAI. Age (hazard ratio [HR], 1.05; 95% confidence interval [CI], 1.01–1.08), hyperlipidemia (HR, 2.27; 95% CI, 1.02–5.05) and immunosuppression (HR, 2.29; 95% CI, 1.02–5.16) were associated with AFNOAI persistence. Diastolic dysfunction (HR, 1.46; 95% CI, 0.71–3.00) and mitral regurgitation (HR, 2.00; 95% CI, 0.91–4.37) also showed a trend towards association with AFNOAI persistence. Conclusions: Our study showed that AFNOAI has a high rate of persistence after discharge and that certain comorbid and cardiac factors may increase the risk of persistence. Anticoagulation should be considered, based on a patient’s individual AFNOAI persistence risk.
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