{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T10:53:10Z","timestamp":1773485590734,"version":"3.50.1"},"reference-count":17,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2013,8,14]],"date-time":"2013-08-14T00:00:00Z","timestamp":1376438400000},"content-version":"vor","delay-in-days":13,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Interven Cardiology"],"published-print":{"date-parts":[[2013,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p><jats:italic>To investigate the use of the GuideLiner \u201cmother\u2010and\u2010child\u201d guide catheter extension system as a simple solution to facilitate initial device delivery in balloon uncrossable chronic total occlusions (CTOs) undergoing percutaneous coronary intervention (PCI)<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Background<\/jats:title><jats:p><jats:italic>During PCIs for CTO lesions, an important reason for procedural failure is the inability to deliver a balloon or microcatheter across the lesion<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p><jats:italic>We retrospectively accessed our interventional registry for 07\/01\/2010 to 03\/21\/2012 and extracted data on all CTO lesions involving GuideLiner catheter use. Cine review was performed to identify cases where a guidewire had crossed the CTO and the use of a GuideLiner catheter facilitated initial device delivery<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p><jats:italic>We identified 28 patients that underwent PCI for CTO with a GuideLiner catheter used to assist initial balloon or microcatheter advancement across the culprit lesion. Mean overall CTO length was 26.3\u2009\u00b1\u200918.1\u2009mm. The GuideLiner catheter was successful in delivering a small balloon to the CTO lesion in 85.7% of cases (24\/28). A single CTO PCI resulted in a distal guidewire perforation, but there was no hemodynamic compromise or pericardial effusion and the patient was discharged the next day. Overall procedural success in these selected cases (where a guidewire had already crossed the CTO) was 89.3% (25\/28)<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p><jats:italic>The GuideLiner mother\u2010and\u2010child catheter is a simple, safe and efficacious adjunctive device for difficult CTO PCIs where despite standard measures it is not possible to deliver an initial balloon or microcatheter across the occluded segment<\/jats:italic>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/joic.12040","type":"journal-article","created":{"date-parts":[[2013,8,14]],"date-time":"2013-08-14T06:48:47Z","timestamp":1376462927000},"page":"343-350","source":"Crossref","is-referenced-by-count":37,"title":["<b>GuideLiner Mother\u2010and\u2010Child Guide Catheter Extension<\/b>: A Simple Adjunctive Tool in <scp>PCI<\/scp> for Balloon Uncrossable Chronic Total Occlusions"],"prefix":"10.1111","volume":"26","author":[{"given":"JASON C.","family":"KOVACIC","sequence":"first","affiliation":[{"name":"Cardiac Catheterization Laboratory Cardiovascular Institute, Mount Sinai Hospital New York New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"AMIT B.","family":"SHARMA","sequence":"additional","affiliation":[{"name":"Cardiac Catheterization Laboratory Cardiovascular Institute, Mount Sinai Hospital New York New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"SWATHI","family":"ROY","sequence":"additional","affiliation":[{"name":"Cardiac Catheterization Laboratory Cardiovascular Institute, Mount Sinai Hospital New York New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JENNIFER R.","family":"LI","sequence":"additional","affiliation":[{"name":"Cardiac Catheterization Laboratory Cardiovascular Institute, Mount Sinai Hospital New York New 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