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Eur J Cardiothorac Surg 2002;22:162
© 2002 Elsevier Science NL
Letter to the Editor |
Cardiopulmonary Transplant Unit, Freeman Hospital, High Heaton, Newcastle upon Tyne, NE7 7DN, UK
Received 11 February 2002; accepted 27 March 2002.
* Tel.: +44-191-2843111; fax: +44-191-2231177
e-mail: rasheed5{at}hotmail.com
I read with interest the case report by Hassan et al. [1] describing two cases of iatrogenic internal mammary arteriovenous fistula.
Arteriovenous fistula of the internal mammary artery (IMA) is still an extremely rare complication following cardiac and thoracic procedures. The incidence of internal mammary arteriovenous fistula is likely to increase as a result of the globally increasing number of cardiac and thoracic surgical procedures.
Early treatment of internal mammary arteriovenous fistula has been recommended to avoid all potential complications. However, because spontaneous closure of a small fistula may occur [2], an initial period of close observation of the patient may be justified.
I note in case 1 that you have had recurrence of the internal mammary arteriovenous fistula after percutaneous endovascular embolization. Did you embolize both antegrade and retrograde pedicles of the fistula? Silva et al. [3] recommended embolization of the antegrade as well as the retrograde pedicles to prevent recurrence secondary to retrograde flow from the superior epigastric artery.
References
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