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Saphenous vein graft interposition following aggressive endarterectomy for right coronary artery: experience with 32 cases
© Besir et al; licensee BioMed Central Ltd. 2013
- Published: 11 September 2013
- Saphenous Vein
- Side Branch
- Median Sternotomy
- Normal Sinus Rhythm
- Saphenous Vein Graft
Increasingly more diffuse and complex atherosclerotic lesions are encountered in coronary bypass surgery. Although coronary endarterectomy has been performed for a long time, it possesses risks of mortality and morbidity. For LAD techniques such as closure with saphenous patch and patch + anastomosis with LIMA are used following endarterectomy. In this case series, we aimed to present our experience with saphenous interpositions that we performed or were compelled to perform following endarterectomy carried out on the trunk of RCA. Of 554 patients operated with primary coronary surgery by the same surgical team between 2008 and 2012, 32 underwent right coronary endarterectomy. Median sternotomy was performed and standard aortobicaval cannulation + antegrade + retrograde blood cardioplegia were used in all surgeries. Saphenous vein grafts were used in all RCA anastomoses. Care was taken to excise the plaque as a whole with an endarterectomy blade after right coronary arteriotomy. All of the aggressive endarterectomy applications performed in those 32 patients were against trunk lesions of the RCA. The length of the plaques excised with endarterectomy ranged between 6-10 cm. After completion of endarterectomy, a saphenous interposition was performed at the trunk region of the right coronary artery and then a saphenous vein bypass was carried out distal to the interposition as deemed necessary after a check with coronary probe. All operations were completed uneventfully and patients were taken to the ICU after the operation. They were discharged between postoperative days 5-7.Only 4 patients developed postoperative atrial fibrillation, which were converted back to normal sinus rhythm by medical therapy. No sign of ischemia was observed in the RCA region in scintigraphic examination performed 12 months after the operation. We suggest that saphenous vein graft interposition performed after endarterectomy for the trunk of RCA is safely applicable, as trunk region of RCA does not have any side branch.
This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.