New therapeutic approach to aortic dissection complicated by cardiac tamponade.
The management of aortic dissection with cardiac tamponade may result in increased blood pressure and thereby itself make the aortic dissection worse. Nevertheless, it is important to prevent cardiac failure caused by cardiac tamponade. We describe a case of aortic dissection with cardiac tamponade. Echocardiography and aortography showed DeBakey IIIb-type aortic dissection with retrograde dissection, complicated by cardiac tamponade and aortic insufficiency. To treat this condition, a new therapeutic approach was undertaken. A vasodilator was administered, then pericardiocentesis guided by echocardiography was performed. To prevent abrupt elevation of blood pressure in response to the relief of cardiac tamponade, the pericardial aspiration was carried out slowly--it took four hours for the complete drainage of 415 ml of blood--and a vasodilator, sodium nitroprusside, was administered. After drainage, cardiac function was reversed fully, and the systolic pressure was controlled under 140 mmHg. Then, using extra-corporeal circulation, the surgical procedure was performed successfully. We conclude that it is useful to treat cardiac tamponade by controlling blood pressure with slow drainage and use of a vasodilator in preparation for performing the surgical procedure.[1]References
- New therapeutic approach to aortic dissection complicated by cardiac tamponade. Hanaki, Y., Yasui, K., Kamiya, H., Matsunami, T., Ohsugi, S., Ohno, M., Horiba, M., Hiramatsu, H. Clinical therapeutics. (1988) [Pubmed]
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