Effects,of cardiac resynchronization therapy on myocardial blood flow measured by oxygen-15 water positron emission tomography in idiopathic-dilated cardiomyopathy and left bundle branch block
Regional and global myocardial blood flow and coronary vascular resistance were determined in patients with idiopathic-dilated cardiomyopathy and left bundle branch block before and during cardiac resynchronization therapy (CRT) using oxygen-15 water positron emission tomography. The investigated parameters did not exhibit regional heterogeneity and were not influenced by CRT. This implies that the beneficial effects of CRT do not require additional oxygen demand or regional reallocation of oxidative metabolism. (C) 2004 by Excerpta Medica, Inc.
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CNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, ItalyCNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
Masci, Pier Giorgio
Marinelli, Martina
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Scuola Super Sant Anna, Pisa, Italy
CNR, Inst Clin Physiol, I-56100 Pisa, ItalyCNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
Marinelli, Martina
Piacenti, Marcello
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机构:CNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
Piacenti, Marcello
Lorenzoni, Valentina
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CNR, Inst Clin Physiol, I-56100 Pisa, ItalyCNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
Lorenzoni, Valentina
Positano, Vincenzo
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机构:CNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
Positano, Vincenzo
Lombardi, Massimo
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机构:CNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
Lombardi, Massimo
L'Abbate, Antonio
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Scuola Super Sant Anna, Pisa, ItalyCNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy
L'Abbate, Antonio
Neglia, Danilo
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CNR, Inst Clin Physiol, I-56100 Pisa, ItalyCNR, Fondazione G Monasterio Regione Toscana, MRI & Cardiovasc Med Dept, I-56124 Pisa, Italy