Document Detail


Cheatham-Platinum stent implantation for pulmonary artery stenosis in children and adolescents: immediate and mid-term outcome.
MedLine Citation:
PMID:  21080145     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: NuMED Cheatham-Platinum (CP) stent implantation for pulmonary artery stenosis in children and adolescents has been rarely reported. This study aimed to evaluate the immediate and mid-term results of CP stent implantation for the treatment of pulmonary artery stenosis associated with congenital heart disease (CHD) in children and adolescents.
METHODS: From August 2005 to May 2007, four consecutive pediatric patients with pulmonary artery stenosis associated with CHD underwent CP stent implantation. They were followed up, and transthoracic echocardiography was done for outcome evaluation.
RESULTS: In the four patients, 5 stent placement procedures were performed and 7 CP stents were implanted (8-zig, 22-39 mm in length). All stents except one were successfully placed in the target lesions without displacement during the procedures. After the procedure, the systolic pressure gradient across the stenosis decreased from 36.67 ± 20.08 to 3.67 ± 3.20 mmHg (P=0.005), and the narrowest diameter of the stenotic segment increased from 6.97 ± 2.22 to 13.40 ± 4.40 mm (P=0.013). Two stents implanted in the left and right pulmonary arteries in patient 4 developed intrastent restenosis 6 months after the procedure, and the distal end of the main pulmonary artery also developed restenosis 26 months later. The results of the remaining stents have been stable without complications during a median follow-up of 34 months (range, 26-48 months).
CONCLUSIONS: Our experience indicates that CP stent implantation is suitable for the treatment of pulmonary artery stenosis in children and adolescents with CHD. The immediate and mid-term results are encouraging, but long-term results demand further follow-up in more cases.
Authors:
Wu Zhao; Fen Li; Ai-Qing Zhou; Wei Gao; Zhi-Qing Yu; Kun Sun; Mei-Rong Huang; Yun Li; Jian-Ping Yang
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Publication Detail:
Type:  Journal Article     Date:  2010-11-16
Journal Detail:
Title:  World journal of pediatrics : WJP     Volume:  6     ISSN:  1867-0687     ISO Abbreviation:  World J Pediatr     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101278599     Medline TA:  World J Pediatr     Country:  China    
Other Details:
Languages:  eng     Pagination:  337-41     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, China.
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