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  • Title: [Use of covered stents to occlude extracardiac Fontan fenestration].
    Author: Boudjemline Y, Agnoletti G, Marini D, Bonnet D, Sidi D.
    Journal: Arch Mal Coeur Vaiss; 2006 May; 99(5):424-8. PubMed ID: 16802729.
    Abstract:
    INTRODUCTION: A fenestration is usually surgically created to improve the post-operative course of patients undergoing total cavopulmonary connection. It, however, has a potentially deleterious effect on the long-term period. Closure of these fenestrations is usually performed by interventional catheterization. No device has been specially designed and closure of extracardiac fenestration, in particular, can be challenging. We report our experience in occlusion of such fenestrations using covered stents (Numed Inc). METHODS: From July 2005 to October 2005, we attempted to occlude extracardiac Fontan fenestration using CP covered stents in 4 consecutive patients. RESULTS: All patients had a successful occlusion of the fenestration. The procedure was performed from femoral or jugular vein respectively in three and one patient. Mean central venous pressure did not increase significantly (from 11.25 to 12.75 mmHg) whereas mean oxygen saturation increased significantly from 92% to 99% (p=0.0047). Abolition of shunt was obtained immediately after insertion of the covered stent in all patients. No early complications were observed. All patients were ambulatory the day after the procedure. CONCLUSION: The insertion of a covered stent inside the extracardiac Fontan conduit allowed the exclusion of the fenestration in all patients without the need of crossing the fenestration and with no early mortality or morbidity. Long-term follow-up are needed before considering the use of such device as the device of choice in that application.
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