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Ann Thorac Surg 1997;64:1871
© 1997 The Society of Thoracic Surgeons
Division of Cardiothoracic Surgery, Harbor-UCLA Medical Center, 1000 W CarsonSt, Torrance, Ca 90509
To the Editor:
In 1990 our group at Harbor-UCLA described 4 patients with type A aortic dissection, 3 aged less than 40 years, who had long histories of weight lifting [1]. All had cystic medial changes in the aortic wall, had development of acute dissections (symptoms developed in 2 while they were lifting weights), and underwent successful surgical repair. None of the patients had Marfan's syndrome. It is unclear if weight lifting induced the medial degeneration in these individuals or if the weight lifting simply increased the likelihood of dissection in predisposed individuals with aortic pathology. It is clear, however, that the hemodynamic stresses of weight lifting, including but not limited to the rapid increase in systemic pressure, contributed to the development of aortic dissection in patients with aortic medial degeneration.
We present a 19-year-old man with Marfan's syndrome who was an avid weight lifter and in whom chest pain developed during a workout. He waited 2 days before presenting to our emergency room, and was found to have obvious physical and skeletal manifestations of Marfan's syndrome. Echocardiography revealed an acute type A dissection with aortic insufficiency. At operation a large intimal tear was found in the ascending aorta anteriorly. He underwent St. Jude Medical (St. Paul, MN) valved conduit replacement of the aortic valve and ascending aorta with coronary reimplantation. He has done well and has been advised strongly against further weight lifting.
The aortic medial changes associated with Marfan's syndrome predispose to aortic dissection, which is the most common cause of death in these patients [2]. Any measure to decrease the incidence of hypertension in these individuals should be beneficial in decreasing or at least delaying the onset of acute aortic dissection. We believe that individuals with Marfan's syndrome or evidence of cystic medial disease or family histories of the disorder should be strongly urged to refrain from weight-lifting activities.
References
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