Journal of clinical medicine · 2021
Prognosis of Coronary Atherosclerotic Burden in Non-Ischemic Dilated Cardiomyopathies.
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Canu Marjorie, Margerit Léa, Mekhdoul Ismail, Broisat Alexis, Riou Laurent, Djaileb Loïc, Charlon Clémence, Jankowski Adrien, Magnesa Michele, Augier Caroline, Marlière Stéphanie, Salvat Muriel, Casset Charlotte, Maurin Marion, Saunier Carole, Fagret Daniel, Ghezzi Catherine, Vanzetto Gerald, Barone-Rochette Gilles
Аннотация
BACKGROUND: Atherosclerosis is associated with a worse prognosis in many diseases such as ischemic cardiomyopathy, but its impact in non-ischemic dilated cardiomyopathy (dCMP) is lesser known. Our aim was to study the prognostic impact of coronary atherosclerotic burden (CAB) in patients with dCMP.
METHODS: Consecutive patients with dCMP and left ventricular (LV) dysfunction diagnosed by concomitant analysis of invasive coronary angiography (ICA) and CMR imaging were identified from registry-database. CAB was measured by Gensini score. The primary composite endpoint was the occurrence of major adverse cardiovascular events (MACE) defined as cardiovascular (CV) mortality, non-fatal MI and unplanned myocardial revascularization. The results of 139 patients constituting the prospective study population (mean age 59.4 ± 14.7 years old, 74% male), average LV ejection fraction was 31.1 ± 11.02%, median Gensini score was 0 (0-3), and mid-wall late gadolinium enhancement (LGE) was the most frequent LGE pattern (42%). Over a median follow-up of 2.8 years, 9% of patients presented MACE. Patients with MACE had significantly higher CAB compared to those who were free of events (0 (0-3) vs. 3.75 (2-15), p < 0.0001). CAB remained the significant predictor of MACE on multivariate logistic analysis (OR: 1.12, CI: 1.01-1.23, p = 0.02).
CONCLUSION: High CAB may be a new prognostic factor in dCMP patients.
METHODS: Consecutive patients with dCMP and left ventricular (LV) dysfunction diagnosed by concomitant analysis of invasive coronary angiography (ICA) and CMR imaging were identified from registry-database. CAB was measured by Gensini score. The primary composite endpoint was the occurrence of major adverse cardiovascular events (MACE) defined as cardiovascular (CV) mortality, non-fatal MI and unplanned myocardial revascularization. The results of 139 patients constituting the prospective study population (mean age 59.4 ± 14.7 years old, 74% male), average LV ejection fraction was 31.1 ± 11.02%, median Gensini score was 0 (0-3), and mid-wall late gadolinium enhancement (LGE) was the most frequent LGE pattern (42%). Over a median follow-up of 2.8 years, 9% of patients presented MACE. Patients with MACE had significantly higher CAB compared to those who were free of events (0 (0-3) vs. 3.75 (2-15), p < 0.0001). CAB remained the significant predictor of MACE on multivariate logistic analysis (OR: 1.12, CI: 1.01-1.23, p = 0.02).
CONCLUSION: High CAB may be a new prognostic factor in dCMP patients.