Heart surgery safer in the afternoons?

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On Heart Valve Voice there was a report on this which said: "An article was published on BBC News earlier today about a study published in the Lancet that examines the timing of heart surgeries and survival rates. The study suggested that for the best chance of survival following heart surgery, the surgery is better performed in the afternoon due to the circadian rhythms of the body. While this study is very interesting and helpful when trying to understand the nuances of how the body functions at different times of the day, it is in no way stating that patients who have surgeries scheduled in the morning or any other time of the day are at more risk than patients scheduled in the afternoon. “What we need to remember is that this is only one study and it needs to be reproduced elsewhere to see whether the findings can be replicated or not"

Here’s a link to abstract of the original study in the Lancet: 'Daytime variation of perioperative myocardial injury in cardiac surgery and its prevention by Rev-Erbα antagonism: a single-centre propensity-matched cohort study and a randomised study’: http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(17)32132-3/abstract

I had my surgery in the afternoon.
 
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