{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T16:36:29Z","timestamp":1773246989469,"version":"3.50.1"},"reference-count":19,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,2,17]],"date-time":"2025-02-17T00:00:00Z","timestamp":1739750400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cathet Cardio Intervent"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Managing aorto\u2010ostial coronary lesions during percutaneous coronary interventions (PCI) presents significant challenges due to complex anatomy, catheter instability, and risks of stent misplacement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>The OSTIAL pivotal study aimed to assess the feasibility and precision of the floating balloon technique for optimizing stent placement in aorto\u2010ostial lesions (AOL), with post\u2010procedural coronary computed tomography angiography (CCTA) used to evaluate stent positioning.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This prospective, dual\u2010center observational study included 12 patients undergoing PCI for AOL using the floating balloon technique. The technique stabilizes the guiding catheter by positioning a balloon in the aorta, thereby defining the aorto\u2010ostial landing zone (AOLZ) for precise stent placement. Post\u2010procedural CCTA were systematically performed to assess the positioning of the stent. The primary outcome was technical success including optimal stent placement within the AOLZ and proximal anatomy\u2010dependent geographic miss.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The primary outcome was achieved in 83% of cases, with 66% showing complete AOLZ coverage and 17% classified as a proximal anatomy\u2010dependent geographic miss. Proximal procedure\u2010dependent geographic miss occurred in only 17% of cases, with limited stent protrusion into the aorta (2.3 and 2.9\u2009mm).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The floating balloon technique demonstrated feasibility and precision in optimizing stent placement in AOL, as assessed by CCTA. It offers a promising, cost\u2010effective, and practical alternative to other techniques. Larger studies are required to confirm its efficacy and long\u2010term benefits.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ccd.31449","type":"journal-article","created":{"date-parts":[[2025,2,18]],"date-time":"2025-02-18T06:06:31Z","timestamp":1739858791000},"page":"1269-1277","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Optimizing Stent Placement in Ostial Coronary Lesions With the Floating Balloon Technique: The OSTIAL (Optimizing Stent In Aorto\u2010Ostial Lesion) Pivotal Study"],"prefix":"10.1002","volume":"105","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4243-8217","authenticated-orcid":false,"given":"Franck","family":"Digne","sequence":"first","affiliation":[{"name":"Cardiology Department Centre Cardiologique du Nord Saint Denis France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arthur","family":"Darmon","sequence":"additional","affiliation":[{"name":"Cardiology Department Centre Cardiologique du Nord Saint Denis France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Salim","family":"Belguidoum","sequence":"additional","affiliation":[{"name":"Cardiology Department GHPSO Creil France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammed","family":"Nejjari","sequence":"additional","affiliation":[{"name":"Cardiology Department Centre Cardiologique du Nord Saint Denis France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacques","family":"Feignoux","sequence":"additional","affiliation":[{"name":"Cardiology Department Centre Cardiologique du Nord Saint Denis France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,2,17]]},"reference":[{"issue":"8","key":"e_1_2_9_2_1","first-page":"322","article-title":"High Incidence of Inaccurate Stent Placement in the Treatment of Coronary Aorto\u2010Ostial Disease","volume":"23","author":"Dishmon D. 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