{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:24:56Z","timestamp":1772166296324,"version":"3.50.1"},"reference-count":16,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2020,8,14]],"date-time":"2020-08-14T00:00:00Z","timestamp":1597363200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2020,8,14]],"date-time":"2020-08-14T00:00:00Z","timestamp":1597363200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Research and development fund of Peking University People\u2019s Hospital","award":["RDY2019-32"],"award-info":[{"award-number":["RDY2019-32"]}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Cardiothorac Surg"],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>With the ageing of China\u2019s population, the incidence and mortality of coronary atherosclerotic heart disease (CAD) is increasing year by year, which brings a heavy burden to the family and society [1]. We aimed to analyse the strategy of coronary artery bypass grafting (CABG) in the right coronary artery and to compare the haemodynamic characteristics of the sequential grafts with those of single grafts and to observe the patency rate of those grafts for 1 week after the operation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 242 patients (178 men, mean age 62.6\u2009\u00b1\u20098.8\u2009years) underwent right coronary artery bypass grafting in our hospital from October 2016 to January 2019. The blood flow (Q, ml\/min), pulsatility index (PI) and related parameters of the grafts were measured and recorded by TTFM during the CABG. The patency of the grafts was evaluated by coronary computed tomography (CT) for 1 week after the operation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The most common material used for the graft in the right coronary system of CABG is the greater saphenous vein (92.3%), followed by the radial artery (5.5%) and the internal mammary artery (1.9%). The highest frequency target of the right coronary artery is the posterior descending artery (PDA) (47.6%), followed by the right main coronary artery (RCA) (29.1%) and the posterior branch of the left ventricle (PL) (23.3%). The proportion of single grafts was the highest for the right coronary artery in CABG (178 cases, 67.9%), followed by a graft of the PDA-PL (42 cases, 16.0%) and other sequential grafts among the different coronary artery systems (including the system of the left anterior descending artery (LAD) and the left circumflex (LCX)). Whether there were sequential grafts of the PDA-PL or other sequential grafts among the different systems of the coronary artery, the instantaneous flow of a group of sequential grafts was higher than that of a single graft, and the difference had statistical significance (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.01). However, there were no significant differences in the flow between the groups of sequential grafts (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.410). Diastolic flow (DF) in the group of sequential grafts of the right coronary system was better than that in the non-sequential group (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001), and the difference had statistical significance. There was no significant difference between the DF of the groups of the other system of sequential grafts and that of the right coronary sequential grafts. Coronary artery CT suggested that there were 11 cases of poorly developing grafts or stenosis and occlusion a week after the operation, and those phenomenon mainly occurred in the group with a single graft. There was only one case that was occluded in the group of other systems of sequential grafts, and statistically significant differences existed between the two groups (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.01).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In our centre, the most common form of CABG in the right coronary artery system is a non-sequential vein bridge to the PDA. Whether there are sequential grafts of the PDA-PL or other sequential grafts among the different coronary artery systems, the instantaneous flow of a group of sequential grafts is higher than that of a single graft. DF in the group of sequential grafts of the right coronary system was better than that in the non-sequential group.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s13019-020-01229-5","type":"journal-article","created":{"date-parts":[[2020,8,14]],"date-time":"2020-08-14T09:03:00Z","timestamp":1597395780000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Perioperative observations of different bypass modes of a right coronary system based on instantaneous blood flow during the operation"],"prefix":"10.1186","volume":"15","author":[{"given":"Zhou","family":"Zhao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chun","family":"Fu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li-xue","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guo-dong","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7210-5942","authenticated-orcid":false,"given":"Yu","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,8,14]]},"reference":[{"issue":"1","key":"1229_CR1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1016\/j.jacc.2017.04.052","volume":"70","author":"GA Roth","year":"2017","unstructured":"Roth GA, Johnson C, Abajobir A, et al. Global, regional, and National Burden of cardiovascular diseases for 10 causes, 1990 to 2015. J Am Coll Cardiol. 2017;70(1):1\u201325.","journal-title":"J Am Coll Cardiol"},{"issue":"6","key":"1229_CR2","first-page":"e85","volume":"113","author":"T Thom","year":"2006","unstructured":"Thom T, Haase N, Rosamond W, et al. Heart disease and stroke statistics--2006 update: a report from the American Heart Association statistics committee and stroke statistics subcommittee. Circulation. 2006;113(6):e85\u2013e151.","journal-title":"Circulation"},{"issue":"24","key":"1229_CR3","doi-asserted-by":"publisher","first-page":"e123","DOI":"10.1016\/j.jacc.2011.08.009","volume":"58","author":"LD Hillis","year":"2011","unstructured":"Hillis LD, Smith PK, Anderson JL, et al. 2011 ACCF\/AHA guideline for coronary artery bypass graft surgery. A report of the American College of Cardiology Foundation\/American Heart Association task force on practice guidelines. Developed in collaboration with the American Association for Thoracic Surgery, Society of Cardiovascular Anesthesiologists, and Society of Thoracic Surgeons. J Am Coll Cardiol. 2011;58(24):e123\u2013210.","journal-title":"J Am Coll Cardiol"},{"issue":"12","key":"1229_CR4","first-page":"1176","volume":"33","author":"S Wenqiang","year":"2018","unstructured":"Wenqiang S, Yi C, Yi F, et al. Consistency of pre-planned and actual surgical strategies for coronary artery bypass grafting. Chin J Circ. 2018;33(12):1176\u20139.","journal-title":"Chin J Circ"},{"issue":"1","key":"1229_CR5","first-page":"40","volume":"34","author":"Z Zhou","year":"2018","unstructured":"Zhou Z, Hu L, Lixue Z, et al. Study of TTFM parameters predicting patency of graft blood vessels after 1 year after CABG. Chin J Thorac Cardiovasc Surg. 2018;34(1):40\u20132 55.","journal-title":"Chin J Thorac Cardiovasc Surg"},{"issue":"3","key":"1229_CR6","doi-asserted-by":"publisher","first-page":"468","DOI":"10.1016\/j.jtcvs.2006.02.014","volume":"132","author":"G Di Giammarco","year":"2006","unstructured":"Di Giammarco G, Pano M, Cirmeni S, et al. Predictive value of intraoperative transit-time flow measurement for short-term graft patency in coronary surgery. J Thorac Cardiovasc Surg. 2006;132(3):468\u201374.","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"2","key":"1229_CR7","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1016\/j.ejcts.2010.01.026","volume":"38","author":"TM Kieser","year":"2010","unstructured":"Kieser TM, Rose S, Kowalewski R, et al. Transit-time flow predicts outcomes in coronary artery bypass graft patients: a series of 1000 consecutive arterial grafts. Eur J Cardiothorac Surg. 2010;38(2):155\u201362.","journal-title":"Eur J Cardiothorac Surg"},{"issue":"6","key":"1229_CR8","doi-asserted-by":"publisher","first-page":"416","DOI":"10.1097\/imi.0000000000000021","volume":"8","author":"PF Walker","year":"2013","unstructured":"Walker PF, Daniel WT, Moss E, et al. The accuracy of transit time flow measurement in predicting graft patency after coronary artery bypass grafting. Innovations (Phila). 2013;8(6):416\u20139.","journal-title":"Innovations (Phila)"},{"issue":"3","key":"1229_CR9","doi-asserted-by":"publisher","first-page":"616","DOI":"10.1016\/0735-1097(96)00206-9","volume":"28","author":"GM Fitzgibbon","year":"1996","unstructured":"Fitzgibbon GM, Kafka HP, Leach AJ, et al. Coronary bypass graft fate and patient outcome: angiographic follow-up of 5,065 grafts related to survival and reoperation in 1,388 patients during 25 years. J Am Coll Cardiol. 1996;28(3):616\u201326.","journal-title":"J Am Coll Cardiol"},{"issue":"2","key":"1229_CR10","doi-asserted-by":"publisher","first-page":"801","DOI":"10.1016\/j.athoracsur.2015.09.100","volume":"101","author":"GS Aldea","year":"2016","unstructured":"Aldea GS, Bakaeen FG, Pal J, et al. The Society of Thoracic Surgeons clinical practice guidelines on arterial conduits for coronary artery bypass grafting. Ann Thorac Surg. 2016;101(2):801\u20139.","journal-title":"Ann Thorac Surg"},{"issue":"3","key":"1229_CR11","doi-asserted-by":"publisher","first-page":"170","DOI":"10.1159\/000448428","volume":"136","author":"FC Riess","year":"2017","unstructured":"Riess FC, Heller S, Cramer E, et al. On-pump versus off-pump complete arterial revascularization using bilateral internal mammary arteries and the T-graft technique: clinical and angiographic results for 3,445 patients in 13 years of follow-up. Cardiology. 2017;136(3):170\u20139.","journal-title":"Cardiology"},{"issue":"1","key":"1229_CR12","doi-asserted-by":"publisher","first-page":"25","DOI":"10.1093\/ejcts\/ezu344","volume":"48","author":"MP Sa","year":"2015","unstructured":"Sa MP, Cavalcanti PE, Santos HJ, et al. Flow capacity of skeletonized versus pedicled internal thoracic artery in coronary artery bypass graft surgery: systematic review, meta-analysis and meta-regression. Eur J Cardiothorac Surg. 2015;48(1):25\u201331.","journal-title":"Eur J Cardiothorac Surg"},{"issue":"09","key":"1229_CR13","first-page":"901","volume":"37","author":"M Wang","year":"2012","unstructured":"Wang M, Gao C, Bojun L, et al. Blood flow analysis of single saphenous vein bridge and sequential bridge during off-pump coronary artery bypass grafting. J Central South Univ (Health Sciences). 2012;37(09):901\u20135.","journal-title":"J Central South Univ (Health Sciences)"},{"issue":"4","key":"1229_CR14","doi-asserted-by":"publisher","first-page":"389","DOI":"10.1016\/S0967-2109(98)00024-6","volume":"6","author":"JT Christenson","year":"1998","unstructured":"Christenson JT, Simonet F, Schmuziger M. Sequential vein bypass grafting: tactics and long-term results. Cardiovasc Surg. 1998;6(4):389\u201397.","journal-title":"Cardiovasc Surg"},{"issue":"5","key":"1229_CR15","doi-asserted-by":"publisher","first-page":"1409","DOI":"10.1016\/j.athoracsur.2009.02.018","volume":"87","author":"H Nordgaard","year":"2009","unstructured":"Nordgaard H, Vitale N, Haaverstad R. Transit-time blood flow measurements in sequential saphenous coronary artery bypass grafts. Ann Thorac Surg. 2009;87(5):1409\u201315.","journal-title":"Ann Thorac Surg"},{"issue":"6","key":"1229_CR16","doi-asserted-by":"publisher","first-page":"918","DOI":"10.1016\/j.ejcts.2010.10.006","volume":"39","author":"JJ Jokinen","year":"2011","unstructured":"Jokinen JJ, Werkkala K, Vainikka T, et al. Clinical value of intra-operative transit-time flow measurement for coronary artery bypass grafting: a prospective angiography-controlled study. Eur J Cardiothorac Surg. 2011;39(6):918\u201323.","journal-title":"Eur J Cardiothorac Surg"}],"container-title":["Journal of Cardiothoracic Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s13019-020-01229-5.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s13019-020-01229-5\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s13019-020-01229-5.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,8,13]],"date-time":"2021-08-13T19:11:27Z","timestamp":1628881887000},"score":1,"resource":{"primary":{"URL":"https:\/\/cardiothoracicsurgery.biomedcentral.com\/articles\/10.1186\/s13019-020-01229-5"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,8,14]]},"references-count":16,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2020,12]]}},"alternative-id":["1229"],"URL":"https:\/\/doi.org\/10.1186\/s13019-020-01229-5","relation":{"has-preprint":[{"id-type":"doi","id":"10.21203\/rs.3.rs-17758\/v1","asserted-by":"object"},{"id-type":"doi","id":"10.21203\/rs.3.rs-17758\/v2","asserted-by":"object"}]},"ISSN":["1749-8090"],"issn-type":[{"value":"1749-8090","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,8,14]]},"assertion":[{"value":"1 April 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"20 July 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 August 2020","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Not applicable.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"We received explicit consent from the patients.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"217"}}