title: When you ask yourself the question "should I protect the side branch?": the answer is "yes".
authors.affiliation: San Raffaele Scientific Institute, Milan, Italy. Electronic address: info@emocolumbus.it.
authors.forename: Antonio
authors.initials: A
authors.lastname: Colombo
authors.affiliation: San Raffaele Scientific Institute, Milan, Italy; Imperial College, London, United Kingdom.
authors.forename: Neil
authors.initials: N
authors.lastname: Ruparelia
mesh_terms: D017023:Coronary Angiography / Q000379:methods*; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging* / Q000628:therapy*; D054059:Coronary Occlusion / Q000209:etiology*; D023921:Coronary Stenosis / Q000000981:diagnostic imaging* / Q000628:therapy*; D003331:Coronary Vessels / Q000000981:diagnostic imaging*; D003661:Decision Support Techniques; D005260:Female; D006801:Humans; D008297:Male; D062645:Percutaneous Coronary Intervention / Q000009:adverse effects*
keywords: coronary bifurcation lesion; intervention strategy; risk prediction; score system; side branch occlusion