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- Título:
- Cardiac function in dogs with chronic Chagas cardiomyopathy undergoing autologous stem cell transplantation into the coronary arteries
- Universidade Federal do Tocantins (UFT)
- Universidade Estadual Paulista (UNESP)
- 0008-5286
- This study assessed the effects of a single intracoronary injection of autologous stem cells on the cardiac function of dogs with Chagas cardiomyopathy. Bone-marrow-derived stem cells were delivered into the right and left coronary arteries of 5 mature dogs with mildly compromised cardiac function due to chronic Chagas cardiomyopathy. Blood pressure and electrocardiographic and echocardiographic parameters were recorded at monthly intervals for 6 mo in the 3 dogs that survived. Although no changes were observed in the electrocardiogram and blood pressure, there was a significant increase in peak velocity of aortic flow 3 mo after stem cell transplantation. Pre-ejection period, isovolumic relaxation time, and the Tei index of myocardial performance were reduced significantly 4 mo after the procedure. All significant changes persisted to the end of the study. The results suggest that the transplantation of autologous bone-marrow-derived stem cells into the coronary arteries of dogs with Chagas cardiomyopathy may have a beneficial effect but the small number of dogs studied was a limitation.
- 1-Ago-2011
- Canadian Veterinary Journal-revue Veterinaire Canadienne. Ottawa: Canadian Vet Med Assoc, v. 52, n. 8, p. 869-874, 2011.
- 869-874
- Canadian Vet Med Assoc
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3135031/#
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- http://repositorio.unesp.br/handle/11449/1793
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