SJD Barcelona Children’s Hospital ranks among Europe's top three medical institutions. It has provided care since 1867 and treats patients from infancy through 18. Core specialties include pediatric oncology, cardiology, neurology, and orthopedics.

• Survival rate for acute lymphoblastic leukemia reaches 94%.
• Bone marrow transplant survival rates: 90–100% for related donors, 70–80% for unrelated.
• Cardiology center performs over 300 surgeries yearly with high success and low mortality.
• Uses intra-arterial chemotherapy for retinoblastoma and anti-GD2 immunotherapy for neuroblastoma.
• HEPA-filtered rooms protect patients after bone marrow transplants.

Hospital HM Nou Delfos specializes in cardiology with advanced diagnostic and treatment technologies for arrhythmia, including CT and MRI imaging. Dr. Albert Miralles Cassina, a leading cardiac surgeon with extensive experience in valvular heart surgery and coronary bypass, trained at University Hospital La Pitié-Salpétrière in Paris and holds multiple European surgical certifications.