Bridgewater B. Almanac 2012—adult cardiac surgery: the national society journals present selected research that has driven recent advances in clinical cardiology.Heart 2012;98:1412–1417. The following text from this article should have read ‘A further observational study of 192 patients followed up for 8.5 years, divided into an early surgery and a conservative group, also showed better outcomes in the early group.’ and not ‘A further observational study of 192 patients followed up for 8.5 years, divided into an early surgery and a conservative group, also showed better outcomes in the conservative group.’