A practical approach to assess leg muscle oxygenation during ramp-incremental cycle ergometry in heart failure
Braz. j. med. biol. res; 50 (12), 2017
Heart failure is characterized by the inability of the cardiovascular system to maintain oxygen (O2) delivery (i.e., muscle blood flow in non-hypoxemic patients) to meet O2 demands. The resulting increase in fractional O2 extraction can be non-invasively tracked by deoxygenated hemoglobin concentration (...
Estudios de Casos y Controles, Prueba de Esfuerzo, Insuficiencia Cardíaca/metabolismo, Insuficiencia Cardíaca/fisiopatología, Hemoglobinas/análisis, Pierna/irrigación sanguínea, Pierna/fisiopatología, Músculo Esquelético/metabolismo, Músculo Esquelético/fisiopatología, Consumo de Oxígeno/fisiología, Estudios Prospectivos, Espectroscopía Infrarroja Corta