Longer Surgery, Greater Risks

Longer Surgery, Greater Risks

Under the American College of Surgeons’ National Surgical Quality Improvement Program from 2005 to 2011, more than 1.4 million patients undergoing surgery at US hospitals were observed to see if lengthier surgery durations would affect the risk of developing a blood clot, or venous thromboembolism (VTE). We’ve known that being bound to a hospital bed (common after surgery) is a risk factor for VTEs, but this is the first evidence that surgery duration is a risk factor as well.

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