{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T19:55:21Z","timestamp":1760298921137},"reference-count":10,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2014,4,29]],"date-time":"2014-04-29T00:00:00Z","timestamp":1398729600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Interven Cardiology"],"published-print":{"date-parts":[[2014,8]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p><jats:italic>This study aimed to analyze the surface stress generated by a novel curved balloon and assess its efficacy for treating angular lesions associated with congenital heart disease<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Background<\/jats:title><jats:p><jats:italic>Obstructions at the anastomosis of aortopulmonary shunts and cavopulmonary connections may occur postoperatively. Catheter interventions are often performed for such lesions; however, acute angulation may cause balloon slippage or inappropriate stress on the vessel wall<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p><jats:italic>We dilated the curved balloon in a curved vessel model and measured the resultant wall stress and its distribution. Clinical evaluations were performed using this balloon in angled lesions<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p><jats:italic>In the curved vessel model, curved balloons generated uniform stress on the lesser and greater curvatures (curved type, lesser\/greater\u2009=\u20090.343\u2009MPa\/0.327\u2009MPa; P\u2009=\u20090.61), whereas straight balloons caused disproportionate stress (straight type, lesser\/greater\u2009=\u20090.358\u2009MPa\/0.254\u2009MPa; P\u2009=\u20090.19). However, the difference in average stress was not statistically significant. Furthermore, the stress was uniform along the entire length of the curved balloon, but differed between the mid and end portions of the straight balloon. Curved balloon dilations were performed for 10 lesions in 7 patients. The curved balloon conformed well to the angulated lesion without slipping. The median percent change in the minimal lumen diameter (MLD) was 64% (range, 0\u2013206%). In 5 lesions, MLD increased by \u226550%. Oxygen saturation increased by 5% (0\u20139%)<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p><jats:italic>Although further clinical evaluation is necessary, this novel curved balloon may be a reasonable alternative in angled lesions, providing better conformability and preventing excessive stress to the vessel wall adjacent to the stenosis<\/jats:italic>. (J Interven Cardiol 2014;27:408\u2013413)<\/jats:p><\/jats:sec>","DOI":"10.1111\/joic.12122","type":"journal-article","created":{"date-parts":[[2014,4,29]],"date-time":"2014-04-29T11:36:44Z","timestamp":1398771404000},"page":"408-413","source":"Crossref","is-referenced-by-count":2,"title":["Novel Curved Balloon Catheter for Dilating Postoperative Angled Lesions Associated with Congenital Heart Disease"],"prefix":"10.1111","volume":"27","author":[{"given":"HIROAKI","family":"KISE","sequence":"first","affiliation":[{"name":"Cardiovascular Center Showa University Northern Yokohama Hospital Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"AKIRA","family":"MIYATA","sequence":"additional","affiliation":[{"name":"Renal Center Japanese Red Cross Kumamoto Hospital Kumamoto Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"HIDESHI","family":"TOMITA","sequence":"additional","affiliation":[{"name":"Cardiovascular Center Showa University Northern 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