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Article: Transcatheter closure of right-to-left atrial shunts using Amplatzer septal occluder
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TitleTranscatheter closure of right-to-left atrial shunts using Amplatzer septal occluder
 
AuthorsCheung, YF1
Chau, AKT1
Yung, TC1
Lun, KS1
 
KeywordsAmplatzer Septal Occluder
Atrial Shunts
 
Issue Date2005
 
PublisherMedcom Limited. The Journal's web site is located at http://www.hkjpaed.org/index.asp
 
CitationHong Kong Journal Of Paediatrics, 2005, v. 10 n. 4, p. 265-270+312 [How to Cite?]
 
AbstractPurpose: We reviewed our experience in the closure of right-to-left atrial shunts using Amplatzer septal occluders. Methods: This is a retrospective review of 13 patients who underwent transcatheter closure of right-to-left atrial shunts for systemic hypoxaemia, at a median age of 8.0 years (range, 2.1 to 17.5), between April 1998 and March 2005. Results: The right-to-left shunts were associated with Fontan fenestrations (n=8), pulmonary atresia post right ventricular outflow tract reconstruction (RVOTR) (n=3), and critical pulmonary stenosis post-balloon valvoplasty (n=1) and RVOTR (n=1). The median procedural and fluoroscopic times were 140 minutes (range, 75 to 250) and 23 minutes (range, 13 to 55), respectively. A single occluder, with size ranging from six to 24 mm, was placed in 12 patients, while two (17 mm and 20 mm) occluders were deployed in one. There were no procedural failures or immediate complications. Systemic arterial oxygen saturation increased from 81.0±9.0% to 94.9±2.4% (p=0.008), while the mean right atrial pressure increased slightly from 11.8±3.6 to 13.5±3.5 mmHg (p=0.013) after the procedure. The median follow-up duration was 63 months (range, 7 to 75). One patient developed transient ischaemic attacks within the first week of device implantation. Follow-up echocardiography revealed no leak through the implanted devices, although residual shunts through additional small atrial communications were noted in four patients. Conclusion: Amplatzer septal occluder effectively eliminates right-to-left atrial shunts with significant improvement in systemic arterial oxygenation. Serial monitoring for systemic venous congestion is, however, warranted.
 
ISSN1013-9923
2013 Impact Factor: 0.106
2013 SCImago Journal Rankings: 0.126
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorCheung, YF
 
dc.contributor.authorChau, AKT
 
dc.contributor.authorYung, TC
 
dc.contributor.authorLun, KS
 
dc.date.accessioned2012-10-30T06:07:45Z
 
dc.date.available2012-10-30T06:07:45Z
 
dc.date.issued2005
 
dc.description.abstractPurpose: We reviewed our experience in the closure of right-to-left atrial shunts using Amplatzer septal occluders. Methods: This is a retrospective review of 13 patients who underwent transcatheter closure of right-to-left atrial shunts for systemic hypoxaemia, at a median age of 8.0 years (range, 2.1 to 17.5), between April 1998 and March 2005. Results: The right-to-left shunts were associated with Fontan fenestrations (n=8), pulmonary atresia post right ventricular outflow tract reconstruction (RVOTR) (n=3), and critical pulmonary stenosis post-balloon valvoplasty (n=1) and RVOTR (n=1). The median procedural and fluoroscopic times were 140 minutes (range, 75 to 250) and 23 minutes (range, 13 to 55), respectively. A single occluder, with size ranging from six to 24 mm, was placed in 12 patients, while two (17 mm and 20 mm) occluders were deployed in one. There were no procedural failures or immediate complications. Systemic arterial oxygen saturation increased from 81.0±9.0% to 94.9±2.4% (p=0.008), while the mean right atrial pressure increased slightly from 11.8±3.6 to 13.5±3.5 mmHg (p=0.013) after the procedure. The median follow-up duration was 63 months (range, 7 to 75). One patient developed transient ischaemic attacks within the first week of device implantation. Follow-up echocardiography revealed no leak through the implanted devices, although residual shunts through additional small atrial communications were noted in four patients. Conclusion: Amplatzer septal occluder effectively eliminates right-to-left atrial shunts with significant improvement in systemic arterial oxygenation. Serial monitoring for systemic venous congestion is, however, warranted.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationHong Kong Journal Of Paediatrics, 2005, v. 10 n. 4, p. 265-270+312 [How to Cite?]
 
dc.identifier.epage270+312
 
dc.identifier.issn1013-9923
2013 Impact Factor: 0.106
2013 SCImago Journal Rankings: 0.126
 
dc.identifier.issue4
 
dc.identifier.scopuseid_2-s2.0-27644599818
 
dc.identifier.spage265
 
dc.identifier.urihttp://hdl.handle.net/10722/170357
 
dc.identifier.volume10
 
dc.languageeng
 
dc.publisherMedcom Limited. The Journal's web site is located at http://www.hkjpaed.org/index.asp
 
dc.publisher.placeHong Kong
 
dc.relation.ispartofHong Kong Journal of Paediatrics
 
dc.relation.referencesReferences in Scopus
 
dc.subjectAmplatzer Septal Occluder
 
dc.subjectAtrial Shunts
 
dc.titleTranscatheter closure of right-to-left atrial shunts using Amplatzer septal occluder
 
dc.typeArticle
 
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<description.abstract>Purpose: We reviewed our experience in the closure of right-to-left atrial shunts using Amplatzer septal occluders. Methods: This is a retrospective review of 13 patients who underwent transcatheter closure of right-to-left atrial shunts for systemic hypoxaemia, at a median age of 8.0 years (range, 2.1 to 17.5), between April 1998 and March 2005. Results: The right-to-left shunts were associated with Fontan fenestrations (n=8), pulmonary atresia post right ventricular outflow tract reconstruction (RVOTR) (n=3), and critical pulmonary stenosis post-balloon valvoplasty (n=1) and RVOTR (n=1). The median procedural and fluoroscopic times were 140 minutes (range, 75 to 250) and 23 minutes (range, 13 to 55), respectively. A single occluder, with size ranging from six to 24 mm, was placed in 12 patients, while two (17 mm and 20 mm) occluders were deployed in one. There were no procedural failures or immediate complications. Systemic arterial oxygen saturation increased from 81.0&#177;9.0% to 94.9&#177;2.4% (p=0.008), while the mean right atrial pressure increased slightly from 11.8&#177;3.6 to 13.5&#177;3.5 mmHg (p=0.013) after the procedure. The median follow-up duration was 63 months (range, 7 to 75). One patient developed transient ischaemic attacks within the first week of device implantation. Follow-up echocardiography revealed no leak through the implanted devices, although residual shunts through additional small atrial communications were noted in four patients. Conclusion: Amplatzer septal occluder effectively eliminates right-to-left atrial shunts with significant improvement in systemic arterial oxygenation. Serial monitoring for systemic venous congestion is, however, warranted.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong