Use of transesophageal echocardiography during implantation of aortic endoprosthesis (stent). Initial experience
OBJECTIVE: To report the role played by transesophageal echocardiography during implantation of self-expanding aortic endoprostheses (stent) at a hemodynamics laboratory. METHODS: Thirteen patients underwent stent implantation in the descending thoracic aorta with the aid of transesophageal echocardiography during the entire procedure. Indications for stenting were as follows: 8 aortic dissections, 2 true aneurysms, 2 penetrating atherosclerotic ulcers, and 1 traumatic pseudoaneurysm. RESULTS: No complications resulting from the use of transesophageal echocardiography were observed. In 12 patients, the initial result was considered appropriate, with total or partial resolution of the major lesion confirmed by a posterior examination. In 1 patient, the procedure was suspended after transesophageal echocardiography and angiography showed that the proximal aortic diameter was inappropriate. Transesophageal echocardiography contributed to clarifying relevant points, such as aortic diameter, anatomic detail of the intimal lesion, and location and size of the communicating orifice. In addition, it facilitated placing the stent in the target lesion, reduced the time of exposure to radiation and the use of contrast medium, and provided rapid identification of intercurrent events, possibly reducing the total duration of the procedure. CONCLUSION: The use of transesophageal echocardiography during placement of aortic stents seems appropriate. The actual advantages of the procedure will be defined in a comparative prospective study.
Main Authors: | Fischer,Cláudio Henrique, Campos Fº,Orlando, Fonseca,José Honório de Almeida Palma da, Alves,Cláudia Maria Rodrigues, Sousa,José Augusto Marcondes, Lira Fº,Edgar Bezerra de, Carvalho,Antonio Carlos de Camargo, Paola,Ângelo Amato Vicenzo de, Buffolo,Ênio |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Cardiologia - SBC
2001
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2001000700001 |
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