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The dual-stent strategy is designed to enhance support and improve procedural outcomes while lowering surgical risks and recovery time. Surgical repair remains preferred for complex anatomy.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/healthcare/","Healthcare",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/innovative-double-covered-stent-connection-with-suture-thread-for-transcatheter-sinus-venosus-atrial-septal-defect-closure-case-report/434224/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/innovative-double-covered-stent-connection-with-suture-thread-for-transcatheter-sinus-venosus-atrial-septal-defect-closure-case-report/434224.png","ImageObject",300,407,{"name":42,"@type":43},"Jacob","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-03","2026-09-29",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",11,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What 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Report  \nInnovative Double-Covered Stent Connection With Suture Thread for Transcatheter Sinus Venosus Atrial Septal Defect Closure: Case Report  \nEhsan Khalilipur, MD a, Ata Firouzi, MD a, Zahra Khajali, MD a, Armin Elahifar, MD a, Sheyda Rimaz, MD b, Mani Moayerifar, MD c, d, Mahboobeh Gholipour, MD a, c, *, Elmira Aghaee Kiasaraee, MD a  \na Cardiovascular Intervention Research Center, Rajaie Cardiovascular Institute, Tehran, Iran; b Guilan Road Trauma Research Centre, Trauma Institute, Guilan University of Medical Sciences, Rasht, Iran; c Department of Cardiology, Healthy Heart Research Center, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran; d Department of Cardiovascular Surgery, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran  \n\n| A B S T R A C T |\n| --- |\n| Atrial septal defect (ASD) is a common congenital heart condition in adults. We present a case of successful transcatheter closure of a 1.5-cm sinus venosus ASD in a 34-year-old man with exertional dyspnea. Using an innovative technique, two 43-mm XXL covered CVS Optimus stents were sutured together for enhanced support and delivered via the jugular and femoral veins. This dual-stent approach provides advantages over traditional methods, reducing surgical risks and recovery times. However, surgical intervention remains preferred for complex anatomical variations. This case highlights the effectiveness of a novel transcatheter technique for sinus venosus ASD closure. |\n\nIntroduction  \nAtrial septal defect (ASD) is the most prevalent congenital heart condition, although it is infrequently diagnosed.1 Sinus venosusatrial septal defect (SVASD) accounts for 5% to 10% of all ASDs, and it is situated at the junction of the superior vena cava (SVC) and right atrium (RA), often associated with the partial anomalous pulmonary venous connection (PAPVC), resulting in increased left-to-right shunting.2 Surgical correction is the standard treatment for SVASD with PAPVC. However, it carries risks such as SVC or pulmonary vein stenosis, residual shunting, and sinoatrial node dysfunction.3 Recent advancements have led to the introduction of this method as an efficient approach in conjunction with surgical repair. This case underwent successful transcatheter closure of SVASD using an innovative approach involving two balloon-expandable 43 mm XXL covered CVS Optimus stent (AndraTec GmbH Germany) sutured together to enhance vascular support. Additionally, longer stents may be necessary in certain cases, particularly for patients with longer or angulated tunnels, as well as those requiring anchoring across both caval ends to ensure complete defect coverage and stability.  \nCase presentation  \nA 34-year-old man with no medical history presented with mild exertional dyspnea (New York Heart Association class I) but was otherwise asymptomatic at rest and was referred to a cardiologist, where physical examination showed fixed splitting of the second heart sound and an ejection-type systolic murmur. He had normal blood pressure (119/80 mm Hg) and an oxygen saturation level of 99% . Chest radiography and electrocardiography were unremarkable, revealing a normal sinus rhythm and jugular venous pressure, with no signs of heart failure or edema. After transthoracic echocardiography, transesophageal echocardiography (TEE) was performed, revealing a normal-sized left heart with mild systolic dysfunction (left ventricular ejection fraction, 45%), moderate RV dilation, mildly enlarged RA, moderate tricuspid regurgitation, and mild pulmonary arterial hypertension (50 mm Hg), while mitral and aortic valves were normal. A large interatrial septum defect at the left atrium (LA), RA, and SVC junction, consistent with a 1.5-cm SVC-type SVASD, caused a significant left-toright shunt (Qp/Qs: 1.8) . The saline contrast study showed a lar","cbCais5uvQYLewaG","https://ap.wps.com/l/cbCais5uvQYLewaG","pdf",7264886,"English","# Abstract\n# Introduction\n# Case presentation\n# Keywords","[{\"question\":\"What condition was treated in this case report?\",\"answer\":\"The report describes transcatheter closure of a 1.5-cm sinus venosus atrial septal defect (SVASD) in an adult.\"},{\"question\":\"How was the transcatheter closure performed?\",\"answer\":\"Two 43-mm XXL covered CVS Optimus stents were sutured together to enhance support, then delivered via the jugular and femoral veins.\"},{\"question\":\"What was the main clinical advantage discussed versus traditional approaches?\",\"answer\":\"The dual-stent approach is presented as reducing surgical risks and recovery times, while providing improved support for the procedure.\"}]","Innovative Double-Covered Stent Connection With Suture Thread for Transcatheter Sinus Venosus Atrial Septal Defect Closure - Case Report | PDF",1790667946,13]