Tuesday, December 20, 2011

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Post MI - wait how much before elective surgery

After a myocardial infarction, the longer we wait, the better it is to decrease the risk of post operative attack. But unfortunately we cannot delay the surgery indefinitely. We have to balance the risk for a post-op heart attack versus the risk of delaying the surgery.

Studies have shown that for:
1) 0-30 days, risk is around 33%,
2) 31-60 days, risk is around 19%,
3) 61-90 days, risk is around 8% and
4) 92-180 days, risk is around 6%.

So waiting for at least 2 months after an M.I decreases the risk for post-op heart attack.

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