Mitral regurgitation tips the scales in acute or worsening heart failure

This article refers to ‘Impact of mitral regurgitation in patients with worsening heart failure: insights from BIOSTAT-CHF’ by M. Pagnesi et al., published in this issue on pages 1750–1758. Mitral regurgitation (MR) in patients with heart failure impairs quality of life, increases rates of hospital admission, and has a poor prognosis.1-4 The prevalence of MR is substantial and expected to gain ground with population ageing indicating increasing...