Objectives: The disease caused by severe acute respiratory syndrome coronavirus 2, known as coronavirus disease 2019, has resulted in a global pandemic. Reports are emerging of a new severe hyperinflammatory syndrome related to coronavirus disease 2019 in children and adolescents. The Centers for Disease Control and Prevention has designated this disease multisystem inflammatory syndrome in children. Our objective was to develop a clinical inpatient protocol for the evaluation, management, and follow-up of patients with this syndrome. Data Sources: The protocol was developed by a multidisciplinary team based on relevant literature related to coronavirus disease 2019, multisystem inflammatory syndrome in children, and related inflammatory syndromes, as well as our experience caring for children with multisystem inflammatory syndrome in children. Data were obtained on patients with multisystem inflammatory syndrome in children at our institution from the pre-protocol and post-protocol periods. Data Synthesis: Our protocol was developed in order to identify cases of multisystem inflammatory syndrome in children with high sensitivity, stratify risk to guide treatment, recognize co-infectious or co-inflammatory processes, mitigate coronary artery abnormalities, and manage hyperinflammatory shock. Key elements of evaluation include case identification using broad clinical characteristics and comprehensive laboratory and imaging investigations. Treatment centers around glucocorticoids and IV immunoglobulin with biologic immunomodulators as adjuncts. Multidisciplinary follow-up after discharge is indicated to manage continued outpatient therapy and evaluate for disease sequelae. In nearly 2 months, we admitted 54 patients with multisystem inflammatory syndrome in children, all of whom survived without the need for invasive ventilatory or mechanical circulatory support. After institution of this protocol, patients received earlier treatment and had shorter lengths of hospital stay. Conclusions: This report provides guidance to clinicians on evaluation, management, and follow-up of patients with a novel hyperinflammatory syndrome related to coronavirus disease 2019 known as multisystem inflammatory syndrome in children. It is based on the relevant literature and our experience. Instituting such a protocol during a global pandemic is feasible and is associated with patients receiving treatment and returning home more quickly.
Background We sought to assess the impact and predictors of Coronavirus Disease 2019 (COVID‐19) infection and severity in a cohort of congenital heart disease (CHD) patients at a large CHD center in New York City. Methods and Results We performed a retrospective review of all individuals with CHD followed at Columbia University Irving Medical Center who were diagnosed with COVID‐19 between 3/1/2020 and 7/1/2020. The primary endpoint was moderate/severe response to COVID‐19 infection defined as a) death during COVID‐19 infection; or 2) need for hospitalization and/or respiratory support secondary to COVID‐19 infection. Among 53 COVID‐19 positive patients with CHD, 10 (19%) were <18 years old (median age 34 years). 31 (58%) had complex congenital anatomy including 10 (19%) with a Fontan repair. Eight (15%) had a genetic syndrome, six (11%) had pulmonary hypertension (PH), and nine (17%) were obese. Among adults, 18 (41%) were physiologic class C or D. For the entire cohort, nine (17%) had a moderate/severe infection, including three deaths (6%). After correcting for multiple comparisons, the presence of a genetic syndrome (OR=35.82: p=0.0002), and in adults, physiological Stage C or D (OR=19.38: p=0.002) were significantly associated with moderate/severe infection. Conclusions At our CHD center, the number of symptomatic COVID‐19 patients was relatively low. CHD patients with a genetic syndrome and adults at advanced physiological stage were at highest risk for moderate/severe infection.
Thrombotic and bleeding complications have historically been major causes of morbidity and mortality in pediatric ventricular assist device (VAD) support. Standard anticoagulation with unfractionated heparin is fraught with problems related to its heterogeneous biochemical composition and unpredictable pharmacokinetics. We sought to describe the utilization and outcomes in children with paracorporeal VAD support who are treated with direct thrombin inhibitors (DTIs) antithrombosis therapy. Retrospective multicenter review of all pediatric patients (aged <19 years) treated with a DTI (bivalirudin or argatroban) on paracorporeal VAD support, examining bleeding and thrombotic adverse events. From May 2012 to 2018, 43 children (21 females) at 10 centers in North America, median age 9.5 months (0.1–215 months) weighing 8.6 kg (2.8–150 kg), were implanted with paracorporeal VADs and treated with a DTI. Diagnoses included cardiomyopathy 40% (n = 17), congenital heart disease 37% (n = 16; single ventricle n = 5), graft vasculopathy 9% (n = 4), and other 14% (n = 6). First device implanted included Berlin Heart EXCOR 49% (n = 21), paracorporeal continuous flow device 44% (n = 19), and combination of devices in 7% (n = 3). Adverse events on DTI therapy included; major bleeding in 16% (n = 7) (2.6 events per 1,000 patient days of support on DTI), and stroke 12% (n = 5) (1.7 events per 1,000 patient days of support on DTI). Overall survival to transplantation (n = 30) or explantation (n = 8) was 88%. This is the largest multicenter experience of DTI use for anticoagulation therapy in pediatric VAD support. Outcomes are encouraging with lower major bleeding and stroke event rate than that reported in literature using other anticoagulation agents in pediatric VAD support.
Pediatric heart transplantations are limited by the supply of donor allografts. We sought to determine the cardiac allograft utilization rate for pediatric donors and identify donor factors that predict graft use for transplantation. The United Network for Organ Sharing deceased donor database was queried from April 30, 2006, to March 31, 2014. Donor risk factors that might affect graft use for cardiac transplantation were evaluated. The pediatric cardiac graft utilization rate was calculated, and logistic regression modeling was performed to determine the relationship of risk factors with graft use for transplantation. During the study period, 6682 eligible cardiac donors <18 years of age were identified, and 3758 (56.2%) grafts were utilized for transplantation. Grafts from male donors (OR 1.181) were significantly associated with graft utilization. Graft donor age >1 year (OR 0.363), non-O blood type (OR 0.586), CDC 'high-risk' donor status (OR 0.676), use of inotropes (OR 0.718), use of >2 inotropes (OR 0.328), and donor left ventricular ejection fraction <50% (OR 0.045) were significantly associated with graft nonutilization. The pediatric cardiac allograft utilization rate and risk factors for graft use for transplantation have been identified. Additional studies will be needed to assess the donor-recipient relationship on pediatric transplant outcomes.
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