Document Detail

Ring-Reinforced Sano Conduit at Norwood Stage I Reduces Proximal Conduit Obstruction.
MedLine Citation:
PMID:  25441064     Owner:  NLM     Status:  Publisher    
BACKGROUND: Reinterventions for proximal conduit obstruction or on the pulmonary arteries are frequent after the Sano-modified stage I Norwood palliation of hypoplastic left heart syndrome. We report our initial experience with a modified Sano technique using a ring-reinforced graft inserted transmurally through the right ventricle with a limited ventriculotomy.
METHODS: All patients who underwent the Sano-modified stage I Norwood procedure using a modified "dunked" technique from September 2010 to September 2012 at our institution were reviewed. An historical control group consisted of patients undergoing the traditional Sano right ventricle-to-pulmonary artery conduit anastomosed to the epicardium. The primary outcome measures included death, reintervention on the Sano and pulmonary arteries, and ventricular function.
RESULTS: The study included 29 patients. No patients required intervention on the Sano conduit, pulmonary arteries, or aortic arch before discharge after the stage I procedure. During a median follow-up of 20 months (range, 26 days to 3.3 years), survival was estimated at 96.6% ± 3.4% at 1 month and 86.2% ± 6.4% at the latest follow-up. One patient underwent heart transplantation. No interstage intervention was required on the proximal or distal Sano conduit. Intervention was required on the midportion of the conduit in 1 patient and on the pulmonary arteries in 3 patients. At the time of the bidirectional Glenn anastomosis, freedom from conduit and pulmonary artery intervention was estimated at 92.3% ±7.4% and 90.1% ± 8.7%, respectively, and global right ventricular dysfunction was mild or less in 84% (16 of 19) of patients.
CONCLUSIONS: The ring-reinforced right ventricle-to-pulmonary artery Sano conduit transmurally inserted into the right ventricle provides acceptable results, with a low incidence of interstage reinterventions in patients undergoing stage I palliation.
Christopher W Baird; Patrick O Myers; Michele Borisuk; Frank A Pigula; Sitaram M Emani
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-14
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  -     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-12-2     Completed Date:  -     Revised Date:  2014-12-3    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
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