| Summary: | Posterior reversible encephalopathy syndrome (PRES) is a clinical-radiographic syndrome reported in children with hypertension due to renal diseases, immunosuppression after solid organ transplant, cytotoxic agents for chemotherapy, and many others rare instances. We described PRES in a 6-year-old child with hypertension secondary to an incidental postoperative coarctation of the aorta after heart transplantation (HT). Her blood pressure was well controlled with amlodipine during the outpatient visits and home monitoring of blood pressure, but she had hypertension when presented with neurological symptoms. This case's unique feature is that although PRES has been described after pediatric HT, this is the first case report due to a postoperative coarctation of the proximal descending aorta related to scarring from previous multiple sternotomies leading to inadvertent external compression of the aorta with scar tissue. We discussed the risk factors associated with hypertension before PRES and the correlation of brain magnetic resonance imaging findings with clinical outcomes.
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