January 26th, 2011

Study Finds Declining Stroke Rate After CABG

Despite the increasing complexity of cases, the risk of stroke after CABG may be declining, according to a new study published in JAMA. Khaldoun Tarakji and colleagues prospectively studied more than 45,000 patients who underwent CABG at the Cleveland Clinic from 1982 through 2009.

The overall stroke rate was 1.6%. The stroke rate was highest in 1988 (2.6%) and then declined by 4.69% per year. More strokes occurred after surgery than during surgery. Off-pump CABG and on-pump beating-heart CABG were associated with the lowest risk of stroke, on-pump arrested-heart CABG was associated with a slightly higher risk, while on-pump CABG with hypothermic systemic circulatory arrest had the highest risk.

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