Adjunctive devices in primary or rescue PCI: A meta-analysis of randomized trials

Filippo Crea, Francesco Burzotta, Carlo Trani, Luca Testa, Maria Benedetta Giannico, Giuseppe Biondi Zoccai, Enrico Romagnoli, Mario Attilio Mazzari, Rocco Mongiardo, Massimo Siviglia, Giampaolo Niccoli, Maria De Vita, Italo Porto, Giovanni Schiavoni

Risultato della ricerca: Contributo in rivistaArticolo in rivista

77 Citazioni (Scopus)

Abstract

Objectives: To overview and summarize the results emerging from the studies on adjunctive devices (AD) with theoretical anti-embolic properties in patients with ST-elevation acute myocardial infarction (STEMI) undergoing percutaneous coronary interventions (PCI). Background: A series of small-to-medium size randomized studies have compared different AD with standard PCI (SP) in the setting of STEMI. The reported results are conflicting. Methods: Eighteen prospective randomized studies on 3180 STEMI patients comparing AD with SP were identified and entered the meta-analysis. Pre-specified angiographic, electrocardiographic (absence of ST-segment resolution, STR) and early (up to 30 days) clinical end-points were assessed. Results: AD were associated with lower rates of angiographically evident distal embolization: OR (95% CI): 0.54 (0.37-0.81). Analyses of angiographic and electrocardiographic reperfusion showed striking heterogeneity among studies and an overall trend toward better results with AD: OR (95% CI) 0.76 (95% CI 0.51-1.12) for TIMI<3, 0.53 (0.37-0.76) for myocardial blush grade (MBG)<3, 0.60 (0.45-0.78) for absence of STR. Subgroup analysis according to the type of AD for the end-point of no STR showed concordant absence of benefit in studies testing distal protection devices, positive results being confined to the studies using thrombectomy devices (OR 0.46, 95% CI 0.32-0.66). However, the possibility of a "small study" bias within thrombectomy studies cannot be discharged (significant heterogeneity and positive Egger's test). Early major adverse cardiac events were not different between AD and SP. Conclusions: AD use may be associated with reduced rate of angiographic distal embolization, and improved MBG 3 and STR rates. However, efficacy might vary with the type of device employed. Moreover, early clinical outcome is not modified suggesting that further, larger, studies are needed to assess the clinical impact of AD. Condensed abstract: We conducted a meta-analysis of 18 prospective randomized trials comparing adjunctive devices (AD) with standard PCI in the setting of STEMI. The use of AD was associated with lower rates of (angiographically evident) distal embolization. Analyses of angiographic and electrocardiographic reperfusion showed striking heterogeneity and an overall trend toward better results with AD. Subgroup analysis suggested that different types of device may have different effects. Early major adverse cardiac events were similar between AD and SP.
Lingua originaleEnglish
pagine (da-a)313-321
Numero di pagine9
RivistaINTERNATIONAL JOURNAL OF CARDIOLOGY
DOI
Stato di pubblicazionePubblicato - 2008

Keywords

  • meta-analysis

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