Transcatheter Treatment for Double-Chambered Right Ventricle in Patient Presenting Severe Chronic Heart Failure.

We report a case involving a 9-year-old girl with severe biventricular dysfunction due to anomalous right ventricle muscle bands. After a thorough discussion, she underwent a transcatheter stenting procedure for the double-chambered right ventricle. During her follow-up, she regained biventricular function, while remaining asymptomatic, resulting in complete recovery.