Video 5. NC Quantum Apex balloon at 24 atm. Despite an inflation pressure of 24 atmospheres, significant waisting was still observed (Figure 4, Video 5). There was no significant improvement in the lesion.
Antony G. Kaliyadan, MD, Henry Siu, MD, David L. Fischman, MD, Nicholas J. Ruggiero II, MD, Brandon M. Madsen, BS, and Michael P. Savage, MD, Division of Cardiology, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania