A Revised Optical Coherence Tomography–Derived Calcium Score to Predict Stent Underexpansion in Severely Calcified Lesions

T Sato, Mitsuaki Matsumura, Kei Yamamoto, Yoichiro Sugizaki, Evan Shlofmitz, Jeffrey W. Moses, Omar Khalique, Susan Thomas, Sarah Malik, Ali Dakroub, Mandeep Singh, Doosup Shin, David J. Cohen, Gary S. Mintz, Richard Shlofmitz, Allen Jeremias, Ziad A. Ali, Akiko Maehara