Long-term Survival of Patients With Unoperated Single Ventricle Heart Defect: Four Case Reports and Literature Review
Abstract Background: A single ventricle heart defect is a rare complex congenital cardiac malformation. It is rare for patients with single ventricle to spontaneously survive long-term to adulthood. No literature was retrieved that summarized the ultrasonographic features of patients with single ventricle who survived for a long time without surgery.Case presentation: Four patients in this study were diagnosed with single ventricle heart defects during childhood, but received no surgical intervention. All four patients had good outcomes. We summarize the ultrasound findings of these patients.Conclusion: We summarize the factors that contribute to the long-term survival of single ventricle patients without surgical intervention, and discuss the diagnosis and treatment of single ventricle to improve the survival rate of patients.