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Early and Midterm Outcomes of “No-Touch” Saphenous Vein Grafts in Japanese Institutions

INTRODUCTION: There have been several attempts to overcome the poor graft patency of saphenous vein grafts. “No-touch” saphenous vein graft (NT-SVG) could be a solution to improve graft patency. We aimed to investigate the early and midterm outcomes of coronary artery bypass grafting (CABG) using NT...

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Detalles Bibliográficos
Autores principales: Tsuneyoshi, Hiroshi, Setozaki, Shuji, Katayama, Hideyuki, Wada, Takuki, Shimomura, Shuntaro, Takeuchi, Akira, Sugaya, Atsushi, Komiya, Tatsuhiko
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Sociedade Brasileira de Cirurgia Cardiovascular 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9454286/
https://www.ncbi.nlm.nih.gov/pubmed/36054001
http://dx.doi.org/10.21470/1678-9741-2022-0121
Descripción
Sumario:INTRODUCTION: There have been several attempts to overcome the poor graft patency of saphenous vein grafts. “No-touch” saphenous vein graft (NT-SVG) could be a solution to improve graft patency. We aimed to investigate the early and midterm outcomes of coronary artery bypass grafting (CABG) using NT-SVGs in our hospitals. METHODS: This is a retrospective study of 105 patients who underwent CABG using 130 NT-SVGs between August 2013 and December 2021. NT-SVGs were harvested with about a 5-mm margin of surrounding tissue on both sides of the vein with minimal manipulation. Then, the NT-SVG was dilated by natural arterial pressure without manual distension. After surgery, most of NT-SVGs were assessed by cardiac catheterization or multidetector computed tomography (MDCT) to determine early graft patency. Late graft assessments by MDCT were performed about every five years after surgery. RESULTS: The early graft patency of NT-SVGs was 100% (125/125); however, two cases of graft twisting were found. Both cases spontaneously resolved. Leg wound infections of NT-SVG harvesting site were seen in 6.2% of patients. Peripheral neuropathy of the legs such as skin numbness and tingling were frequently observed, which lasted up to one year, but no more than two years after surgery. The midterm graft patency of NT-SVGs was excellent (five-year patency of NT-SVGs was 95.8%). CONCLUSION: The early and midterm graft patency of NT-SVGs was satisfactory. Although leg wound complications can be seen on the harvesting NT-SVG site, the “no-touch” harvesting technique of SVG could improve graft patency and clinical outcomes of CABG.