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J Thorac Cardiovasc Surg 1998;115:1316-1320
© 1998 Mosby, Inc.

SURGERY FOR ACQUIRED HEART DISEASE

Feasibility of intraoperative balloon angioplasty and additional stent placement of isolated stenosis of the brachiocephalic trunk

From Radiologia del Pronto Soccorso, Azienda Ospedaliera San Giovanni Battista, Torino, Italy.

Received for publication March 13, 1997. Revisions requested Sept. 11, 1997; revisions received Jan. 9, 1997. Accepted for publication Jan. 9, 1998. Address for reprints: Claudio Rabbia, Radiologia del Pronto Soccorso, Azienda Ospedaliera San Giovanni Battista, Corso Bramante 88, 10126 Torino, Italy.

Abstract

Objective: We sought to evaluate the feasibility and results of intraoperative balloon angioplasty and additional stent placement of isolated stenosis of the brachiocephalic trunk.
Patients and methods: Between May 1993 and October 1996, we treated eight patients with local stenosis of the innominate artery. Seven lesions were situated in the proximal and one in the middle third of the brachiocephalic trunk. Five patients were men and three were women, with ages ranging from 55 to 72 years (mean 59.5 years). All stenoses provoked severe blood flow reduction and caused clinical symptoms. Procedures were performed in an operating suite with fluoroscopic imaging capabilities. Through an anterolateral cervical approach the right common carotid artery was surgically exposed and then clamped to avoid atheroembolization during the subsequent procedure. Retrograde catheterization was performed to reach the stenosis of the brachiocephalic trunk. The lesion was dilated with a balloon catheter and successively stented. Follow-up examinations (color-coded duplex sonography, accompanied by clinical inspection and systolic blood pressure) were scheduled every 6 months.
Results: In all patients the dilation of the stenosis of the innominate artery and the stent placement were successful without any side effects. No embolic events or other complications occurred. The postintervention angiography showed successfully dilated stenoses and patent stents in all cases. The technical success rate was 100%.
Conclusions: On the basis of our preliminary data, we believe that, in selected patients, intraoperative balloon angioplasty of stenosis of the innominate artery with stent placement from the right common carotid artery approach is a safe and effective alternative to conventional operations.

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