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Article (Scientific journals)
Interventional atrioseptostomy by application of monopolar high-frequency alternating current : In vitro evaluation of a new device.
Grabitz, R. G.; Handt, S.; Vanopbroeke, H. J. et al.
1997In Investigative Radiology, 32 (2), p. 90-3
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Keywords :
Animals; Catheter Ablation/methods; Heart Atria/pathology/surgery; Heart Septal Defects/pathology/surgery; Heart Septum; Swine
Abstract :
[en] RATIONALE AND OBJECTIVES: The authors evaluate the use of a new device for interventional creation of atrial septal defects (ASD) working with high-frequency alternating current in an in vitro study with porcine atria. METHODS: The device consists of a symmetrical cage of six superelastic monofile wires, including a microthermistor that is placed via a catheter into a punctured hole in the porcine foramen ovale. The device is used as a differential electrode for monopolar, temperature-controlled application of high-frequency alternating current for thermal modelling of ASD. RESULTS: Application of current for 60 seconds caused temperature-dependent, sized ASDs. CONCLUSION: In vivo animal studies to evaluate possible side effects and long term patency of the ASDs are justified and warranted.
Disciplines :
Cardiovascular & respiratory systems
Pediatrics
Author, co-author :
Grabitz, R. G.;  Rheinisch - Westfälische Technische Hochschule Aachen - RWTH > Pediatric Cardiology
Handt, S.;  Rheinisch - Westfälische Technische Hochschule Aachen - RWTH > Pathology
Vanopbroeke, H. J.;  Rheinisch - Westfälische Technische Hochschule Aachen - RWTH > Pediatric Cardiology
SEGHAYE, Marie-Christine ;  Rheinisch - Westfälische Technische Hochschule Aachen - RWTH > Pediatric Cardiology
Franke, A.;  Rheinisch - Westfälische Technische Hochschule Aachen - RWTH > Cardiology
Osypka, P.;  GmbH Medizintechnik, Basler Stra[beta]e 109, Grenzach-Wyhlen, Germany
von Bernuth, G.;  Rheinisch - Westfälische Technische Hochschule Aachen - RWTH > Pediatric Cardiology
Language :
English
Title :
Interventional atrioseptostomy by application of monopolar high-frequency alternating current : In vitro evaluation of a new device.
Publication date :
February 1997
Journal title :
Investigative Radiology
ISSN :
0020-9996
eISSN :
1536-0210
Publisher :
Lippincott Williams & Wilkins, Hagerstown, United States - Maryland
Volume :
32
Issue :
2
Pages :
90-3
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 07 February 2014

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