sternal repair post CABG November 12, 2018 561 × 1024 How I Gained 30 Pounds of Muscle in 6 Months Flat To help hold the sternum together, surgeons use metal wire tied and knotted around the sternum. Like this:Like Loading... Share this:EmailFacebookTwitterPinterestLinkedInTumblrMorePrintRedditLike this:Like Loading...