For most patients, adenoviruses cause few acute health concerns and are often self-limiting. Patients who are immunocompromised or immunosuppressed, however, are at risk for disseminated adenovirus and suffer high morbidity and mortality, without well-defined treatment options. We report the case of a 9-month-old boy who was successfully treated for disseminated adenovirus infection with intravenous immunoglobulin and cidofovir 3 months post heart transplant, tailored to serum adenoviral load and clinical response. We emphasise the importance of early identification, monitoring, and a potentially novel treatment in the paediatric cardiac transplant population with disseminated adenovirus infection.
Patent ductus arteriosus is the most common cardiovascular abnormality in premature infants. With newly available percutaneous devices, centres are reporting high rates of success and favourable safety profiles with percutaneous closure of haemodynamically significant ductus arteriosi in infants under 1000 g. We report the case of a 5-week-old, previous 25-week gestation, 1200-g infant who underwent successful percutaneous closure of a ductus arteriosus with a Medtronic Microvascular Plug but who developed late-term coarctation from the device. This case should prompt practitioners to consider the need and timing of follow-up echocardiograms in this population and sheds light on a newly reported long-term complication of device closure in premature infants.
Severe PPHTN is a contraindication to liver transplantation and predicts an abysmal 5‐year outcome. It is defined as a resting mPAP >45 mm Hg with a mean pulmonary artery wedge pressure of <15 mm Hg and pulmonary vascular resistance of >3 wood units in the setting of portal hypertension. There have been limited reports of successful treatment of PPHTN leading to successful liver transplantation in adults, and one reported use of monotherapy as a bridge to successful liver transplant in pediatrics. To our knowledge, we describe the first use of combination therapy as a successful bridge to liver transplantation in a pediatric patient with severe PPHTN. This report adds to the paucity of data in pediatrics on the use of pulmonary vasodilator therapy in patients with severe PPHTN as a bridge to successful liver transplantation. Early diagnosis in order to mitigate or avoid the development of irreversible pulmonary vasculopathy that would preclude candidacy for liver transplantation is crucial, but our report demonstrates that combination therapy can be administered safely, quickly, and may allow for successful liver transplantation in patients with severe PPHTN.
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