Refractory angina pectoris
Mechanism and therapeutic options
Michael C. Kim, MDa,
Annapoorna Kini, MDa and
Samin K. Sharma, MD, FACCa,*
a Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, New York, USA

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Figure 1 Trial design and results of MUST-EECP. Source: Arora et al. (24), with permission. CAD = coronary artery disease; CCSC = Canadian Cardiovascular Society class; ETT = exercise treadmill test.
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Figure 2 Percutaneous in situ coronary venous arterialization. Source: Oesterle et al. (50), with permission.
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