PMID: 15253141Jul 16, 2004Paper

Stem cell mobilization after coronary artery bypass grafting

Italian heart journal. Supplement : official journal of the Italian Federation of Cardiology
Achille GaspardoneLuigi Chiariello

Abstract

Recently, the role of stem cells as a potential therapeutic tool for ischemic heart disease has been evaluated by a number of experimental and clinical studies. Although preliminary clinical data appear to be promising, the precise pathophysiological role of stem cell mobilization during acute myocardial ischemia remains uncertain. The present study was aimed at assessing factors affecting stem cell mobilization after coronary artery bypass grafting used as a clinical model of controlled myocardial ischemia. Eighteen patients (16 men, 2 women, mean age 66 +/- 8 years) with three-vessel coronary artery disease undergoing coronary artery bypass grafting were included in the study; 24 age- and sex-matched healthy subjects served as controls. On admission, 10 patients had stable angina and 8 had unstable angina. Clinical history and instrumental evidence of previous myocardial infarction were present in 11 patients. Venous peripheral blood was sampled at baseline and 6, 24, 48 and 72 hours after coronary surgery. Duration of cardiac arrest and extracorporeal circulation were recorded as well as the release of total creatine kinase (CK), CK-MB, troponin I and C-reactive protein. CD34+ stem cells were analyzed by flow cytometry accor...Continue Reading

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