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Träfflista för sökning "WFRF:(de Souza Domingos Ramos 1954 ) "

Sökning: WFRF:(de Souza Domingos Ramos 1954 )

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  • Arbeus, Mikael, et al. (författare)
  • Five-year patency for the no-touch saphenous vein and the left internal thoracic artery in on- and off-pump coronary artery bypass grafting
  • 2021
  • Ingår i: Journal of cardiac surgery. - : Wiley-Blackwell Publishing Inc.. - 0886-0440 .- 1540-8191. ; 36:10, s. 3702-3708
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Randomized trials show high long-term patency for no-touch saphenous vein grafts in coronary artery bypass grafting. The patency rate in off-pump coronary bypass surgery for these grafts has not been investigated. Our center participated in the CORONARY randomized trial, NCT00463294. This is a study aimed to assess the patency of no-touch saphenous veins in on- versus off-pump coronary bypass surgery at five-year follow-up.METHODS: Fifty-six patients were included. Forty of 49 patients, alive at 5 years, participated in this follow-up. There were 21 and 19 patients in the on- and off-pump groups respectively. No-touch saphenous veins were used to bypass all targets and in some cases the left anterior descending artery. Graft patency according to distal anastomosis was evaluated with computed tomography angiography.RESULTS: The five-year patency rate was 123/139 (88.5%). The patency for the no-touch vein grafts was 57/64 (89.1%) in the on-pump versus 37/45 (82.2%) in the off-pump group. All left internal thoracic arteries except for one, 29/30 (96.6%), were patent. All vein grafts used to bypass the left anterior descending and the diagonal arteries were patent 32/32. The lowest patency rate for the saphenous veins was to the right coronary territory, particularly in off-pump surgery (80.0% vs. 62.5% for the on- respective off-pump groups).CONCLUSIONS: Comparable 5-year patency for the no-touch saphenous veins and the left internal thoracic arteries to the left anterior descending territory in both on- and off-pump coronary artery bypass grafting. Graft patency in off-pump CABG is lower to the right coronary artery.
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  • Caliskan, Etem, et al. (författare)
  • Saphenous vein grafts in contemporary coronary artery bypass graft surgery
  • 2020
  • Ingår i: Nature Reviews Cardiology. - : Nature Publishing Group. - 1759-5002 .- 1759-5010. ; 17:3, s. 155-169
  • Forskningsöversikt (refereegranskat)abstract
    • Myocardial ischaemia resulting from obstructive coronary artery disease is a major cause of morbidity and mortality in the developed world. Coronary artery bypass graft (CABG) surgery is the gold-standard treatment in many patients with complex multivessel coronary artery disease or left main disease. Despite substantial improvements in the outcome of patients undergoing CABG surgery in the past decade, graft patency remains the 'Achilles' heel' of this procedure. Whereas the use of the left internal mammary artery as a conduit is associated with the highest 10-year patency rate (>90%), saphenous vein grafts - the most commonly used conduit in CABG surgery - fail in 40-50% of treated patients by 10 years after surgery. Vein graft disease (VGD) and failure result from complex pathophysiological processes that can lead to complete occlusion of the graft, affecting long-term clinical outcomes. Optimal harvesting techniques, intraoperative preservation strategies and intraoperative patency control have important roles in the prevention of VGD. In addition, several studies published in the past decade have reported similar mid-term patency rates between vein grafts and arterial grafts when veins are used as a composite graft based on the internal mammary artery. In this Review, we present the latest evidence on the utilization of saphenous vein grafts for CABG surgery and provide an overview of the current practices for the prevention of VGD and vein graft failure.
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