{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:37:30Z","timestamp":1777729050641,"version":"3.51.4"},"reference-count":22,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2017,6,12]],"date-time":"2017-06-12T00:00:00Z","timestamp":1497225600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>We aimed to determine the capacity of drug-eluting stent (DES) over-expansion in left main coronary artery disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Left main interventions with the largest available DES platforms (4.0\u2009mm) and post-dilation performed with large non-compliant balloons (\u2265 4.5\u2009mm) were included. Maximal stent diameter (mm) and area (mm\n                      <jats:sup>2<\/jats:sup>\n                      ) were measured using post-intervention intravascular ultrasound (IVUS). Stent diameter and area were calculated with the balloon diameter and inflation pressure. The diameter and area expansion indices were defined as follows: maximal\/calculated stent diameter and maximal\/calculated stent area, respectively.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Twenty-three consecutive patients were included. The maximal stent diameter was 4.40\u2009mm (4.30\u20134.80\u2009mm), and 22 of 23 patients showed a diameter expansion index greater than 0.90. The area expansion index was 0.862. The expansion index\u2009&lt;\u20090.85 group had a significantly higher percentage of calcification\u2009\u2265\u200990\u00b0 on IVUS than did the expansion index\u2009\u2265\u20090.85 group (72.7% versus 16.7%, P\u2009=\u20090.007). One stent fracture occurred during over-expansion and one ischemic event occurred during follow-up.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>DESs with a nominal diameter of 4.0\u2009mm can be effectively over-expanded in left main coronary artery disease. Achievement of predicted stent area can be affected by calcification.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0300060517708515","type":"journal-article","created":{"date-parts":[[2017,6,13]],"date-time":"2017-06-13T06:47:55Z","timestamp":1497336475000},"page":"1406-1416","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Over-expansion of drug-eluting stents in patients with left main coronary artery disease: An\n                    <i>in\u00a0vivo<\/i>\n                    study"],"prefix":"10.1177","volume":"45","author":[{"given":"Yicong","family":"Ye","sequence":"first","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hao","family":"Qian","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ming","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xueqing","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tianpeng","family":"Gan","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuyang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong","family":"Zeng","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2017,6,12]]},"reference":[{"key":"bibr1-0300060517708515","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2016.05.089"},{"key":"bibr2-0300060517708515","doi-asserted-by":"publisher","DOI":"10.1161\/hc3901.096669"},{"key":"bibr3-0300060517708515","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(00)01176-1"},{"key":"bibr4-0300060517708515","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(01)01491-7"},{"key":"bibr5-0300060517708515","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2007.09.054"},{"key":"bibr6-0300060517708515","doi-asserted-by":"crossref","first-page":"2645","DOI":"10.1161\/CIRCULATIONAHA.109.899211","volume":"121","author":"Morice MC","year":"2010","journal-title":"Circulation"},{"key":"bibr7-0300060517708515","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa1100452"},{"key":"bibr8-0300060517708515","doi-asserted-by":"crossref","unstructured":"Fern\u00e1ndez-Ruiz I. Coronary artery disease: CABG surgery or PCI for left main CAD?\n                      Nat Rev Cardiol\n                      2016 Nov 17. 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