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Minerva Cardioangiologica 2014 August;62(4):327-33


lingua: Inglese

Primary PCI for the treatment of ectatic infarct-related coronary artery

Campanile A. 1, 2, Sozzi F. B. 2, Consonni D. 3, Piscione F. 4, Sganzerla P. 5, Indolfi C. 6, Stabile A. 7, Migliorini A. 8, Antoniucci D. 8, Ferraresi R. 9, Boccuzzi G. 10, Danzi G. B. 2

1 Department of Adult Intensive Care Unit, Royal Brompton Hospital, London, UK; 2 Department of Cardiology, Ca’ Granda IRCCS Foundation, Maggiore Policlinico Hospital, Milan, Italy; 3 Epidemiology Unit, Ca’ Granda IRCCS Foundation, Maggiore Policlinico Hospital, Milan, Italy; 4 Cardiology Department, University of Salerno, Salerno, Italy; 5 Department of Cardiology, Ospedale di Treviglio, Treviglio, Bergamo, Italy; 6 Magna Graecia University, Germaneto, Catanzaro, Italy; 7 Department of Cardiology, Ospedale Civico ARNAS, Palermo, Italy; 8 Department of Cardiology, Ospedale Careggi, Florence, Italy; 9 Interventional Cardiovascular Unit, Istituto Clinico Città Studi, Milan, Italy; 10 Department of Cardiology, Ospedale San Giovanni Bosco, Turin, Italy


AIM: There is lack of information on the outcome of patients treated with primary angioplasty for lesions located in an ectatic coronary artery segment in the setting of acute myocardial infarction. The aim of this study was to analyse the 2-year follow-up of this specific patient population.
METHODS: By means of a systematic review of the databases and cine-films of 5912 primary angioplasties performed in eight Italian cardiac centers we identified 101 patients with infarct-related coronary artery ectasia. Ectasia was defined as a dilatation exceeding the 1.5-fold of normal adjacent segment and was classified according to its severity. The primary end point was the composite rate of cardiac death, recurrence of acute myocardial infarction and a new revascularisation at 2-year.
RESULTS: The procedure was successful in 70.3% of cases, unsuccessful or complicated in 29.7%. The primary endpoint was met in 6.9% of cases during hospitalization (95% CI: 2.0-11.8), in 17.8% (95% CI: 10.3-25.3) at 1 year, and in 38.5% (95% CI: 29.0-48.0) at 2 years. Nine patients had a stent thrombosis: 3 acute and 6 sub-acute. A statistically significant correlation between the dimensions of the stent and stent thrombosis was observed (P=0.005).
CONCLUSION: In subjects undergoing primary angioplasty for acute myocardial infarction the rate of patients treated on lesions located in an ectatic coronary artery segment is very small (1.7%). The procedural success was low, whereas the rate of events at follow-up was quit high reflecting the complexity of this disease.

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