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Minerva Cardioangiologica 2013 April;61(2):211-9


language: English

Effects of EPC capture stent and CD34+ mobilization in acute myocardial infarction

Scacciatella P. 1, D’Amico M. 1, Pennone M. 1, Conrotto F. 1, Meliga E. 2, Usmiani T. 2, Meynet I. 1, Gunetti M. 3, Ferrero I. 3, Rustichelli D. 3, Fagioli F. 3, Marra S. 1

1 Department of Cardiovascular and Thoracic Diseases, San Giovanni Battista University Hospital, Turin, Italy; 2 Interventional Cardiology Unit, Mauriziano Hospital, Turin, Italy; 3 Pediatric Onco-Hematology, Stem Cell Transplantation and Cellular Therapy Division, Regina Margherita Children’s Hospital, Turin, Italy


Aim: Percutaneous coronary intervention (PCI) is the gold standard for the treatment of acute myocardial infarction (AMI), with the main limitation of in-stent restenosis for BMS and late stent thrombosis (ST) for both BMS and DES. Endothelial progenitor cells (EPC) CD34+ capture stents, promoting vascular healing, may be advantageous in preventing ST. Aim of the study is to evaluate the outcomes of AMI patients treated with EPC CD34+ capture stent and describe the mobilization kinetics of CD34+ and their clinical correlation.
Methods: Fifty AMI patients underwent primary PCI with EPC CD34+ capture stent. Serial assays of CD34+ were performed by flow-cytometric analysis.
Results: Procedural success rate was 100%. At six-months follow-up cardiac death, myocardial infarction, target lesion revascularization (TLR) and target vessel revascularization (TVR) occurred respectively in 2%, 4%, 10% and 12% of patients. No case of ST was observed. The MACE-free survival was 81,2%. The mean peak value of plasmatic CD34+ was 4.69±3.76 cells/μL. A positive correlation was found between CD34+ concentration, age and infarct area. No correlation was detected between CD34+ concentration and occurrence of TVR, TLR and MACE.
Conclusion: EPC capture stent implantation seems to be safe and effective in the clinical setting of AMI, representing a possible alternative to BMS and DES. CD34+ cells plasmatic concentration seems not to correlate to coronary restenosis and atheromasic disease progression.

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