“…Of the 20 studies on exercise training in patients with chronic HF listed in Table 3, 37,56 -62,74,86,89,90,96,132-138 most do not mention the presence of mitral regurgitation in their patient populations. 56,57,59,60,74,75,89,90,96,[132][133][134][135][136][137][138] Other studies specifically exclude patients with significant mitral regurgitation. 37,86 In 2 studies that included patients with mild to moderate mitral regurgitation, 54,61 no separate analysis of their outcome is provided.…”