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Cyclosporine A, 2.5...
Cyclosporine A, 2.5 mg/kg, Does Not Reduce Myocardial Infarct Size in a Porcine Model of Ischemia and Reperfusion
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- Karlsson, Lars O, 1975 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine,Univ Gothenburg, Sweden
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- Bergh, Niklas, 1979 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine,Univ Gothenburg, Sweden
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- Grip, Lars, 1952 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine,Univ Gothenburg, Sweden
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(creator_code:org_t)
- 2011-05-13
- 2012
- Engelska.
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Ingår i: Journal of cardiovascular pharmacology and therapeutics. - : SAGE Publications. - 1940-4034 .- 1074-2484. ; 17:2, s. 159-63
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- BACKGROUND: In recent years, cyclosporine A (CsA) has emerged as a promising therapy to limit myocardial ischemic-reperfusion injury, presumably by inhibiting the opening of the mitochondrial permeability transition pore. Results from different large animal models are conflicting, however, with failure to prove beneficial effects of 10 mg/kg CsA administered at reperfusion. Recently, a small clinical study using a bolus of 2.5 mg/kg CsA showed promising but not unequivocal results. The aim of the present study was to estimate the magnitude of a possible infarct reduction with the use of the latter regimen in a closed-chest porcine model for ischemia and reperfusion. Materials and METHODS: Pigs underwent catheterization with balloon occlusion of the left descending coronary artery for 40 minutes, followed by reperfusion for 4 hours. They were randomized to receive an intravenous bolus 7 minutes before reperfusion of either 2.5 mg/kg CsA (n = 12) or saline (control, n = 11). Hearts were stained to quantify area at risk and infarct size. RESULTS: Throughout the experiment, there were no differences between the groups in baseline characteristics or hemodynamic variables. CsA treatment did not reduce infarct size as a proportion of area at risk compared with control (51% +/- 6% and 54% +/- 6%, respectively, P = .75). CONCLUSION: In a closed-chest porcine model for myocardial ischemia and reperfusion injury, 2.5 mg/kg CsA administered before reperfusion did not reduce infarct size.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Anestesi och intensivvård (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Anesthesiology and Intensive Care (hsv//eng)
Nyckelord
- reperfusion injury
- cyclosporine A
- porcine
- myocardial infarction
- reperfusion injury; cyclosporine A; porcine; myocardial infarction
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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