Conclusion:
Recurrent pericarditis along with constrictive physiology may occur in adolescent patients with prior ASD repair after a prolonged symptom free interval. Therefore, adolescents with repaired congenital heart defects should be carefully screened for development of PCIS. Management can be challenging and often requires advanced imaging (CMR) to guide appropriate therapy. Treatment may necessitate addition of biologics to anti-inflammatory therapy or further escalation to pericardiectomy in refractory cases. Further research is needed to identify at-risk patients and design preventive strategies.