Browsing by Author "Greig, Douglas"

Now showing items 1-17 of 17

    • Carvedilol corrects interventricular and interventricular dyssynchrony in chronic heart failure. 
      Castro, Pablo; Mc-Nab, Pablo; Bittner, Alex; Greig, Douglas; Quintana, Juan Carlos; Chiong Lay, Mario; Díaz Araya, Guillermo; Valenzuela, Rodrigo; Vergara, I.; Corbalán, Ramón; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2005-02-01)
      Meeting Abstract
    • Efectos del carvedilol en la capacidad funcional, función ventricular izquierda, catecolaminas y estrés ... 
      Castro, Pablo; Pérez, Osvaldo; Greig, Douglas; Díaz Araya, Guillermo; Moraga, Francisco; Chiong Lay, Mario; Troncoso Cotal, Rodrigo; Padilla, Ivonne; Vukasovic Ramírez, José Luis; Corbalán, Ramón; Lavandero González, Sergio (Sociedad Española de Cardiología, 2004)
      El carvedilol es un antagonista adrenérgico con acción antioxidante y un demostrado beneficio sobre la mortalidad en insuficiencia cardíaca (IC). El objetivo de este estudio es evaluar, en pacientes con insuficiencia ...
    • Effects of atorvastatin therapy in heart failure: Oxidative stress, inflammation, endothelial dysfunction ... 
      Miranda, Rodrigo; Castro, Pablo; Verdejo, Hugo; Greig, Douglas; Alcaíno Olivares, Hernán Alejandro; Bustos Contreras, Carlos Andrés; Vukasovic Ramírez, José Luis; Godoy, Iván; Díaz Araya, Guillermo; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2007-03-06)
      Meeting Abstract
    • Effects of carvedilol on functional capacity, left ventricular function, catecholamines and oxidative stress ... 
      Castro Agüero, Pablo; Pérez, Osvaldo; Greig, Douglas; Díaz Araya, Guillermo; Moraga, Francisco; Chiong Lay, Mario; Troncoso Cotal, Rodrigo; Padilla, Ivonne; Vukasovic Ramírez, José Luis; Corbalán, Ramón; Lavandero González, Sergio (EDICIONES DOYMA S/L, 2004-11)
      Introduction and objective. Carvedilol is an antioxidant and adrenergic antagonist with demonstrated benefits in terms of mortality from heart failure (HF). The aim of the present study was to evaluate clinical parameters, ...
    • Effects of Carvedilol upon intra- and interventricular synchrony in patients with chronic heart failure 
      Castro, Pablo; Mac Nab, Paul; Quintana, Juan Pablo; Bittner, Alex; Greig, Douglas; Vergara, I.; Vukasovic Ramírez, José Luis; Corbalán, Ramón; Copaja, Miguel; Díaz Araya, Guillermo; Chiong Lay, Mario; Troncoso Cotal, Rodrigo; Alcaíno Olivares, Hernán Alejandro; Lavandero González, Sergio (EXCERPTA MEDICA INC, 2005-07-15)
      Radionuclide isotopic ventriculography with phase analysis was performed in 30 patients with stable heart failure (HF), determining left ventricular (LV) and interventricular contraction synchrony at baseline and after 6 ...
    • Gln(27)-> Glu beta(2)-Adrenergic Receptor Polymorphism in Heart Failure Patients: Differential Clinical and ... 
      Troncoso Cotal, Rodrigo; Moraga, Francisco; Chiong Lay, Mario; Roldán S., Juan; Bravo Méndez, Roberto; Valenzuela, Rodrigo; Díaz Araya, Guillermo; Campo Sfeir, Andrea Estefanía del; Sanhueza Muñoz, Carlos Joaquín; Rodríguez Villarroel, Andrea Elizabeth; Vukasovic Ramírez, José Luis; Mellado, Rose Marie; Greig, Douglas; Castro, Pablo; Lavandero González, Sergio (WILEY-BLACKWELL PUBLISHING, 2009-05)
      We investigated the clinical response of chronic heart failure patients with beta(2)- adrenergic receptor Gln(27)-> Glu polymorphism treated for 6 months with carvedilol, a alpha/beta-antagonist with antioxidant properties. ...
    • Increased Oxidative Stress Correlates With Pulmonary Vascular Response to Vasodilators in Pulmonary Artery ... 
      Castro Agüero, Pablo; Gabrielli, Luigi; Fasce, Fabrizio; Verdejo, Hugo; Greig, Douglas; Llevaneras, Silvana; Ferrada, Marcela; Hernández, Claudia; Godoy, Iván; García Nannig, Lorena; Mellado, Rose Marie; Sepúlveda, Pablo; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2009-03-10)
      Meeting Abstract
    • Inflamación y disfunción endotelial en pacientes con insuficiencia cardiaca crónica 
      Greig, Douglas; Castro, Pablo; Gabrielli, Luigi A.; Miranda, Rodrigo; Verdejo, Hugo; Alcaíno Gálvez, Hernán Alejandro; Bustos, Carlos; Chiong Lay, Mario; Godoy, Iván; Mellado, Rose Marie; García Nannig, Lorena; Salas, Daniela; Vivar Sánchez, Raúl; Vukasovic Ramírez, José Luis; Concepción, Roberto; Díaz Araya, Guillermo (SOC MEDICA SANTIAGO, 2008-06)
      Background: In chronic heart failure (CHF), endothelial dysfunction (ED) is a consequence of an imbalance of vascular tone regulating substances. The relationship between ED and inflammation has not been fully investigated. ...
    • Oxidative stress after reperfusion with primary coronary angioplasty: Lack of effect of glucose-insulin-potassium ... 
      Díaz Araya, Guillermo; Nettle Danniels, Maurice; Castro Agüero, Pablo; Miranda, Fernando; Greig, Douglas; Campos Bastidas, Ximena; Chiong Lay, Mario; Nazal N., Carolina; Corbalán, Ramón; Lavandero González, Sergio (LIPPINCOTT WILLIAMS & WILKINS, 2002-02)
      Objective: To evaluate the oxidative stress status and the modification with glucose-insulin-potassium (GIK) therapy in patients with acute myocardial infarction undergoing primary percutaneous transluminal coronary ...
    • Pleiotropic effects of atorvastatin in heart failure: Role in oxidative stress, inflammation, endothelial ... 
      Castro, P.; Miranda, Rodrigo; Verdejo, Hugo; Greig, Douglas; Gabrielli, Luigi; Alcaíno Olivares, Hernán Alejandro; Chiong Lay, Mario; Bustos Contreras, Carlos Andrés; García Nannig, Lorena; Mellado, Rose Marie; Vukasovic Ramírez, José Luis; Godoy, Iván; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2008-04)
      Background: Increased oxidative stress, a common feature in chronic heart failure, has been associated with inflammation, endothelial dysfunction, and extracellular matrix degradation. Statins have known anti-inflammatory ...
    • Polimorfismos de los receptores - β Adrenérgicos y su relación con el riesgo de insuficiencia cardíaca, ... 
      Castro Gálvez, Pablo; Greig, Douglas; Copaja, Miguel; Alcaíno Olivares, Hernán Alejandro; Troncoso Cotal, Rodrigo Hernán; Chiong Lay, Mario; Mellado, Rose Marie; Pérez, Osvaldo; Vukasovic Ramírez, José Luis; Díaz Araya, Guillermo; Corbalán, Ramón; Ocaranza, María Paz; Jalil Milad, Jorge; Lavandero González, Sergio (Sociedad Chilena de Cardilología y Cirugía Cardiovascular, 2005)
      Los polimorfismos de los receptores β Adrenérgicos (AR) influencian el grado de actividad del receptor. Los βAR tienen un rol importante en la regulación de la contractilidad y podrían tener implicancias en el riesgo de ...
    • Relation between oxidative stress, catecholamines, and impaired chronotropic response to exercise in patients ... 
      Castro, Pablo; Greig, Douglas; Pérez, Osvaldo; Moraga, Francisco; Chiong Lay, Mario; Díaz Araya, Guillermo; Padilla, Ivonne; Nazzal Nazal, Carolina; Jalil Milad, Jorge; Vukasovic Ramírez, José Luis; Moreno, M.; Corbalán, Ramón; Lavandero González, Sergio (EXCERPTA MEDICA INC, 2003-07-15)
    • Relationship between mechanical and metabolic dyssynchrony with left bundle branch block: Evaluation by ... 
      Castro, Pablo; Winter, José Luis; Verdejo, Hugo; Orellana, Pilar; Quintana, Juan Carlos; Greig, Douglas; Enríquez, Andrés; Sepúlveda, Luis; Concepción, Roberto; Sepúlveda, Pablo; Rossel Mariángel, Víctor; Chiong Lay, Mario; García Nannig, Lorena; Lavandero González, Sergio (2012)
      Background Ventricular dyssynchrony is a common finding in patients with heart failure (HF), especially in the presence of conduction delays. The loss of ventricular synchrony leads to progressive impairment of contractile ...
    • Serum uric acid correlates with extracellular superoxide dismutase activity in patients with chronic heart failure 
      Alcaíno Gálvez, Hernán Alejandro; Greig, Douglas; Chiong Lay, Mario; Verdejo, Hugo; Miranda, Rodrigo; Concepción, Roberto; Vukasovic Ramírez, José Luis; Díaz Araya, Guillermo; Mellado, Rose Marie; García Nannig, Lorena; Salas, Daniela; González, Leticia; Godoy, Iván; Castro, Pablo; Lavandero González, Sergio (ELSEVIER, 2008-07)
      Increased serum uric acid has been identified as an independent risk factor for cardiovascular disease. However, because of its antioxidant capacity, uric acid may play a beneficial role in endothelial function. This ...
    • The role of uric acid in heart failure 
      Alcaíno Olivares, Hernán Alejandro; Greig, Douglas; Castro Agüero, Pablo; Verdejo, Hugo; Mellado, Rose Marie; García Nannig, Lorena; Díaz Araya, Guillermo; Quiroga Lagos, Clara; Chiong Lay, Mario; Lavandero González, Sergio (SOC MEDICA SANTIAGO, 2011-04)
      Complications and mortality of heart failure are high, despite the availability of several forms of treatment. Uric acid, the end product of purine metabolism would actively participate in the pathophysiology of heart ...
    • Uric acid, xanthine oxidase and heart failure: Unresolved issues 
      Verdejo, Hugo; Greig, Douglas; Castro, Pablo; Alcaíno Olivares, Hernán Alejandro; García Nannig, Lorena; Chiong Lay, Mario; Lavandero González, Sergio; Pizarro, Marcela (OXFORD UNIV PRESS, 2008-12)
    • Xanthine-oxidase inhibitors and statins in chronic heart failure: Effects on vascular and functional parameters 
      Greig, Douglas; Alcaíno Gálvez, Hernán Alejandro; Castro Gálvez, Pablo; García Nannig, Lorena; Verdejo, Hugo E.; Navarro, Mario; López, Rafael; Mellado, Rose Marie; Tapia Mamani, Fabiola Karina; Gabrielli, Luigi A.; Nogerol, Camilo; Chiong Lay, Mario; Godoy, Iván; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2011-04)
      Increased oxidative stress in heart failure (HF) leads to inflammation and endothelial dysfunction (ED). Both statins and allopurinol have known anti-oxidant properties, but their utility in HF has not been fully assessed.