Abstract:
:Reperfusion injury (RI) remains an important limitation of myocardial revascularization. The aim of the present study was to evaluate the influence of the intracoronary injection of adiponectin on RI and cardiomyocyte death in a porcine myocardial infarction model. Acute infarction in 14 Polish domestic pigs was induced by inflation of an over the wire balloon (OTW) catheter in the medial left anterior descending artery for 60 min. The study group consisted of 7 pigs in which intracoronary adiponectin (50 µg) was infused through the OTW catheter immediately before reperfusion. The control group (n=7) was administered placebo. Animals were sacrificed after two days of follow-up. The infarct area (IA) was stained with tetrazoline and the area at risk (AAR) with intracoronary administration of Evans Blue dye before euthanasia. Hearts in each group had similar AARs (46.2±9.9% vs. 48.4±6.2% of the whole myocardium, p=ns). The IA/AAR% and IA were smaller in the study group when compared to the control (24.7±4.0% vs. 45.3±22.5%, p=0.005; and 11.7±4.9% vs. 20.5±5.6%, p=0.01, respectively). These outcomes corresponded well with the peak troponin levels after 12 h (109.9±60.9 ng/ml vs. 185.5±39.4 ng/ml, p=0.017). After two days there was a significantly higher LVEF in the study group (51.4±8.5% vs. 33.9±8.6%, p=0.002). There was also a trend toward lower apoptosis enhancement in the viable myocardium in the study group (3.11±2.3 vs. 8.92±6.3; p=0.07). The administration of adiponectin into the infarct- related artery is safe and feasible. The treatment significantly reduced the infarct size.
journal_name
Int J Mol Medjournal_title
International journal of molecular medicineauthors
Dębiński M,Buszman PP,Milewski K,Wojakowski W,Jackiewicz W,Pająk J,Szurlej D,Fryc-Stanek J,Wiernek S,Jelonek M,Spurlock ME,Martin J,Bochenek A,Buszman PEdoi
10.3892/ijmm.2011.643subject
Has Abstractpub_date
2011-06-01 00:00:00pages
775-81issue
6eissn
1107-3756issn
1791-244Xjournal_volume
27pub_type
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