Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese · 2021
Invasive versus conservative management in spontaneous coronary artery dissection: A meta-analysis and meta-regression study.
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Bocchino Pier Paolo, Angelini Filippo, Franchin Luca, D'Ascenzo Fabrizio, Fortuni Federico, De Filippo Ovidio, Conrotto Federico, Alfonso Fernando, Saw Jacqueline, Escaned Javier, Liu Chengwei, De Ferrari Gaetano Maria
Аннотация
BACKGROUND: Data regarding the best treatment for spontaneous coronary artery dissection (SCAD) are limited. The aim of the present study was to compare the clinical outcomes of conservative versus invasive treatment in SCAD patients.
METHODS: We systematically searched the literature for studies evaluating the comparative efficacy and safety of invasive revascularization versus medical therapy for the treatment of SCAD from 1990 to 2020. The study endpoints were all-cause death, cardiovascular death, myocardial infarction, heart failure, SCAD recurrence and target vessel revascularization (TVR) rates. Random effect meta-analysis was performed by comparing the clinical outcomes between the two groups. A univariate meta-regression analysis was also performed.
RESULTS: Twenty-four observational studies with 1720 patients were included. After 28 ± 14 months, a conservative approach was associated with lower TVR rate compared with invasive treatment (OR = 0.50; 95%CI 0.28-0.90; P = 0.02). No statistical difference was found regarding all-cause death (OR = 0.81; 95%CI 0.31-2.08; P = 0.66), cardiovascular death (OR = 0.89; 95%CI 0.15-5.40; P = 0.89), myocardial infarction (OR = 0.95; 95%CI 0.50-1.81; P = 0.87), heart failure (OR 0.96; 95%CI 0.41-2.22; P = 0.92) and SCAD recurrence (OR = 0.94; 95%CI 0.52-1.72; P = 0.85). The meta-regression analysis suggested that male gender, diabetes mellitus, smoking habit, prior coronary artery disease, left main coronary artery involvement, lower ejection fraction and low TIMI flow at admission were related with high overall mortality, whereas SCAD recurrence was higher among patients with fibromuscular dysplasia.
CONCLUSIONS: A conservative approach was associated with similar clinical outcomes and lower TVR rates compared with an invasive strategy in SCAD patients; future prospective studies are needed to confirm these results.
METHODS: We systematically searched the literature for studies evaluating the comparative efficacy and safety of invasive revascularization versus medical therapy for the treatment of SCAD from 1990 to 2020. The study endpoints were all-cause death, cardiovascular death, myocardial infarction, heart failure, SCAD recurrence and target vessel revascularization (TVR) rates. Random effect meta-analysis was performed by comparing the clinical outcomes between the two groups. A univariate meta-regression analysis was also performed.
RESULTS: Twenty-four observational studies with 1720 patients were included. After 28 ± 14 months, a conservative approach was associated with lower TVR rate compared with invasive treatment (OR = 0.50; 95%CI 0.28-0.90; P = 0.02). No statistical difference was found regarding all-cause death (OR = 0.81; 95%CI 0.31-2.08; P = 0.66), cardiovascular death (OR = 0.89; 95%CI 0.15-5.40; P = 0.89), myocardial infarction (OR = 0.95; 95%CI 0.50-1.81; P = 0.87), heart failure (OR 0.96; 95%CI 0.41-2.22; P = 0.92) and SCAD recurrence (OR = 0.94; 95%CI 0.52-1.72; P = 0.85). The meta-regression analysis suggested that male gender, diabetes mellitus, smoking habit, prior coronary artery disease, left main coronary artery involvement, lower ejection fraction and low TIMI flow at admission were related with high overall mortality, whereas SCAD recurrence was higher among patients with fibromuscular dysplasia.
CONCLUSIONS: A conservative approach was associated with similar clinical outcomes and lower TVR rates compared with an invasive strategy in SCAD patients; future prospective studies are needed to confirm these results.