Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter

<div>(a) The Simmons catheter is advanced to the right atrium directly. (b) The catheter is rotated counterclockwise about 30°. (c) When the distal part of the Simmons catheter points to the left, it will flip into the RVOT.</div>

Journal of Interventional Cardiology

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Figure 2: Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter 

Figure 2 | Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter 