Urgent PCI in patients with stent thrombosis: an observational single-center study comparing thrombus aspiration and standard PCI

Francesco Burzotta, Carlo Trani, Filippo Crea, Maria De Vita, Italo Porto, Antonio Maria Leone, Giampaolo Niccoli, Antonio Giuseppe Rebuzzi, Mario Attilio Mazzari, Giovanni Schiavoni, Enrico Romagnoli, Giovanni Paolo Talarico, Giuseppe G L Biondi-Zoccai, Rocco Mongiardo

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Objectives: Stent thrombosis (ST) is a recognized complication of percutaneous coronary interventions (PCI). Due to the high thrombus burden present in ST, the use of thrombus aspiration (TA) may enhance the angiographic results by limiting distal embolization. Methods: Consecutive patients undergoing urgent PCI due to ST were studied, consisting of two groups according to the type of intervention (standard PCI [SP] or TA). TIMI flow, corrected TIMI frame count (cTFC), myocardial blush grade (MBG), thrombus score (TS), Yip's adverse thrombus burden features, occurrence of angiographically evident distal embolization (DE) were evaluated offline. In-hospital outcomes were also recorded. Results: Twenty-eight patients entered the study. Baseline clinical and angiographic features were similar between patients treated by SP (n = 12) and those treated by TA (n = 16). After PCI, a trend in favor of TA as compared to SP was observed for post-PCI TIMI 3 flow rate (67% vs. 89%; p = 0.10), final cTFC (31 +/- 35 vs. 17 +/- 21; p = 0.10) and MBG 2-3 rate (40% vs. 67%; p = 0.12). Accordingly, the rate of adverse angiographic outcome (post-PCI TIMI 0-1 flow and/or DE) was significantly lower in the TA as compared to SP: 5% (1 out of 18) vs. 33% (5 out of 15) respectively (p = 0.04). Throughout hospitalization, major adverse events occurred in 6% of TA patients vs. 33% of SP patients (p = 0.08). Conclusions: TA in patients with ST is safe and is associated with better angiographic outcomes compared to standard PCI. Larger studies are warranted to confirm these early observations.
Lingua originaleEnglish
pagine (da-a)161-165
Numero di pagine5
RivistaTHE JOURNAL OF INVASIVE CARDIOLOGY
Volume20
Stato di pubblicazionePubblicato - 2008

Keywords

  • Aged
  • Angioplasty, Balloon, Coronary
  • Anticoagulants
  • Coronary Angiography
  • Coronary Thrombosis
  • Female
  • Heparin
  • Humans
  • Male
  • Middle Aged
  • Stents
  • Thrombectomy
  • Time Factors
  • Treatment Outcome

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