Balloon assessment of patent foramen ovale morphology and the modification of tunnels using a balloon detunnelisation technique.

Balloon assessment of patent foramen ovale morphology and the modification of tunnels using a balloon detunnelisation technique. Research Abstract Details 

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Balloon assessment of patent foramen ovale morphology and the modification of tunnels using a balloon detunnelisation technique. Abstract Text:

OBJECTIVES: (1) To define patent foramen ovale (PFO) morphology using balloon assessment and identify those with long tunnel type morphology. (2) To describe a novel technique of detunnelisation to facilitate PFO device closure in patients with long tunnel PFO morphology. BACKGROUND: An appreciation that PFO morphology varies from simple defects through to long tunnel-like defects is important for their successful transcatheter closure. Using standard closure techniques for long tunnels can be problematic. METHODS: Consecutive patients who underwent transcatheter PFO closure from April 1, 2005 to March 31, 2006 had assessment of PFO morphology using a compliant sizing balloon. The sites of constraint of the balloon allowed identification of the PFO entrance, exit, and length. The PFO was classified as being a long tunnel when the length was greater than the diameter of either the entrance or exit. Those with a long tunnel had detunnelisation performed and the defect was then closed. RESULTS: 44 patients (32 females), mean age 50 years were studied. On balloon assessment 10 (23%) met the criteria for long tunnels. Detunnelisation allowed successful closure with the STARFlex (NMT Medical, Boston, MA) device in 9 of 10 patients. In the other case transseptal puncture was required after detunnelisation before closure. CONCLUSIONS: Balloon assessment of PFOs enhances the understanding of their morphology and aids the identification of long tunnels. Detunnelisation using the same balloon facilitates the uncomplicated transcatheter closure of long tunnel PFOs in most patients.

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Balloon assessment of patent foramen ovale morphology and the modification of tunnels using a balloon detunnelisation technique. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Catheterization and cardiovascular interventions :

VOLUME: 71

Page Numbers: 222-8

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ISSN: 1522-726X

DAY: 1

MONTH: Feb

YEAR: 2008

Balloon assessment of patent foramen ovale morphology and the modification of tunnels using a balloon detunnelisation technique. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Balloon assessment of patent foramen ovale morphology and the modification of tunnels using a balloon detunnelisation technique.

AFFILIATION: Adult Congenital Heart Disease Unit, Royal Brompton Hospital, London SW3 6NP, United Kingdom. markspence1@yahoo.co.uk

Country: United States

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MEDLINETA: Catheter Cardiovasc Interv

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