Several reports have described adverse events resulting from sternal bone marrow aspiration procedures. We hypothesized about inevitable lacerations to the ascending aorta that occur from structural abnormalities in the needle passage.
Division of Pulmonary Medicine, Allergy, and Rheumatology, Department of Internal Medicine, Iwate Medical University School of Medicine, Iwate, Japan. hiroshi.inoue@r2.dion.ne.jp