Lesions with ostial disease and steep angle; BS: Lesions with small proximal healthy segments making them not suitable for KST; BT: Steep angulation; B2V: Both ostia are diseased with shallow ...
and most lesions involve the ostial segment. [1] The majority of patients are asymptomatic, and less than 10% of patients require treatment. Stenosis or occlusion can involve both proximal and ...
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