Time of day of cardiac surgery likely influences postoperative outcomes, study finds

The worst time of day to get heart surgery as study makes 'risk of death' discovery

Our body clock might have a profound impact on the outcomes of surgery

Time of day of cardiac surgery likely influences postoperative outcomes, study finds

Heart surgery beginning in the late morning is linked to a modest increase in cardiovascular mortality when compared to other times of the day, according to a study led by researchers at The University of Manchester.

Heart surgery outcomes may depend on time of day: Study

New Delhi: Heart surgery that begins late in the morning may raise the risk of cardiovascular deaths when compared to other times of the day, according to a study.  Researchers at The University of Manchester, UK, suggested that integrating body clock biology into the planning of heart surgery could support a more personalised, precision medicine approach, as some people’s body clock makes them early birds and others make them night owls. The da…

Time of day link to heart surgery outcomes likely

9.01.2026 - Heart surgery beginning in the late morning is linked to a modest increase in cardiovascular mortality when compared to other times of the day, according to a study led by researchers at The University of Manchester.