Progress of pulmonary hypertension and high manganese levels through congenital portosystemic shunt closure.

A 6-year-old girl with congenital portosystemic shunt presented with abnormal manganese levels and improving pulmonary hypertension even 1 year after shunt vascular ligation. As the progress after portal vein blood flow recovery varies among individuals, long-term follow-up of patients with congenital portosystemic shunt is needed.