Bayer's Trasylol (aprotinin injection) can reduce bleeding in patients undergoing coronary artery bypass graft surgery with cardiopulmonary bypass. However, a new study has found that patients on the treatment also had a higher death rate than patients who received either aminocaproic acid or tranexamic acid. For this reason, Bayer has halted the trial and issued a new guidance to health professionals. The guidance states that Trasylol should be used only according to its labeling. More information can be found on www.trasylol.com.

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