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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
Open AccessArticle

Late results of coronary revascularization with saphenous vein and internal thoracic artery grafts

1
Institute for Biomedical Research
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Department of Cardiac, Thoracic and Vascular Surgery, Kaunas University of Medicine, Lithuania
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Author to whom correspondence should be addressed.
Medicina 2009, 45(9), 688; https://doi.org/10.3390/medicina45090089
Received: 8 May 2007 / Accepted: 4 September 2009 / Published: 9 September 2009
Objective. To evaluate the patency of saphenous vein and internal thoracic artery grafts by coronary system using angiographies performed in symptomatic patients after coronary artery bypass grafting.
Material and methods
. From 1999 to 2006, 685 patients (mean age, 59.1±11.8 years) had angiography of 538 internal thoracic and gastroepiploic artery and 1644 saphenous vein grafts. There were 580 (84.7%) males. The mean period from operation to the performance of reangiogram was 73.3±53.5 months. Graft failure was defined as >95% stenosis. The saphenous vein was grafted to the left anterior descending artery in 106 (6.4%), to the diagonal artery in 364 (22.1%), to the obtuse marginal artery in 629 (38.3%), and to the right coronary artery in 545 (33.1%) cases.
Results
. During the study, 1496 (68.97%) grafts were patent, and 686 (31.0%) had failed. Unadjusted 1-, 5-, 10-, and >10-year patency was 91.0%, 89.9%, 90.1%, and 75% for internal thoracic arteries and 79.9%, 68.6%, 57.4%, and 51.0% for saphenous veins, respectively.
Conclusions
. Internal thoracic arteries demonstrate better patency than saphenous veins except when grafting moderately stenosed coronary arteries. When bypassing coronary arteries with less than 70% stenosis, saphenous veins may be a better choice.
Keywords: coronary artery disease; coronary artery bypass grafting; arterial graft; saphenous vein graft; graft patency coronary artery disease; coronary artery bypass grafting; arterial graft; saphenous vein graft; graft patency
MDPI and ACS Style

Kinduris, Š.; Sakalauskas, J.; Verseckaitė, R.; Kaklauskaitė, G. Late results of coronary revascularization with saphenous vein and internal thoracic artery grafts. Medicina 2009, 45, 688.

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