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The objective of this prospective study was to evaluate the safety and the short-term performance of external stents in a\u00a0heterogeneous group of patients who\u00a0underwent on- and off-pump CABG, single and sequential grafting.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>102 patients undergoing CABG were enrolled in two centers. All patients received internal mammary artery to the left anterior descending artery and additional arterial and\/or venous grafts. In each patient, at least one SVG was supported with an external stent. Grafts\u2019 patency and SVG lumen uniformity were assessed using CT angiography at a pre-defined time window of 6\u201312\u2009months post procedure. All patients were prospectively followed-up via phone call and\/or visit every 6\u2009months for Major Adverse Cardiac and Cerebrovascular Events.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      51 patients (50%) underwent off-pump CABG and 23 patients (23%) were grafted with bilateral internal mammary arteries. Each patient received one or more SVG grafted in a sequential technique (44%) or as a\u00a0single graft (56%). All SVG were externally stented in 84% of patients and in 16% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200916) one SVG was stented and one remained unsupported. At 6\u201312\u2009months, patency rates of LIMA, RIMA, externally stented SVG and none-stented SVG were 100, 100, 98 and 87.5% respectively. 90% of the externally stented SVG had uniform lumen compared to 37% of the non-stented SVG. Clinical follow-up was completed for all patients with a mean duration of 20\u2009months (range 6\u201354\u2009months). During follow up period, one patient experienced myocardial infarction due to occlusion of the LIMA-LAD graft and one patient experienced a\u00a0transient ischemic attack.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>External stenting of SVG is feasible and safe in CABG setting which includes off pump CABG and sequential SVG grafting and associated with acceptable early patency rates.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial registration<\/jats:title>\n                    <jats:p>\n                      Study was registered at ClinicalTrials.gov.\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/clinicaltrials.gov\/ct2\/show\/NCT01860274\">NCT01860274<\/jats:ext-link>\n                      (initial release 20.05.2013).\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s13019-021-01406-0","type":"journal-article","created":{"date-parts":[[2021,4,12]],"date-time":"2021-04-12T13:03:00Z","timestamp":1618232580000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["External stenting of vein grafts in coronary artery bypass grafting: interim results from a two centers prospective study"],"prefix":"10.1186","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6094-8280","authenticated-orcid":false,"given":"Luca Paolo","family":"Weltert","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katia","family":"Audisio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandro","family":"Bellisaro","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gianluca","family":"Bardi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roberto","family":"Flocco","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruggero","family":"De Paulis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paolo","family":"Centofanti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,4,12]]},"reference":[{"key":"1406_CR1","first-page":"1","volume":"00","author":"FJ Neumann","year":"2018","unstructured":"Neumann FJ, Sousa-Uva M, et al. 2018 ESC\/EACTS guidelines on myocardial revascularization: the task force on myocardial revascularization of the European Society of Cardiology (ESC) and the European Association for Cardio-Thoracic Surgery (EACTS). 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