Clinical Importance of Koch's Triangle Size in Children.

Clinical Importance of Koch's Triangle Size in Children. Research Abstract Details 

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Clinical Importance of Koch's Triangle Size in Children. Abstract Text:

Naokata Sumitomo,Shigeru Tateno,Yoshihide Nakamura,Hiroya Ushinohama,Kazuo Taniguchi,Rie Ichikawa,Junji Fukuhara,Osamu Abe,Michio Miyashita,Hiroshi Kanamaru,Mamoru Ayusawa,Kensuke Harada,Hideo Mugishima,Naokata Sumitomo,Shigeru Tateno,Yoshihide Nakamura,Hiroya Ushinohama,Kazuo Taniguchi,Rie Ichikawa,Junji Fukuhara,Osamu Abe,Michio Miyashita,Hiroshi Kanamaru,Mamoru Ayusawa,Kensuke Harada,Hideo Mugishima,Naokata Sumitomo,Shigeru Tateno,Yoshihide Nakamura,Hiroya Ushinohama,Kazuo Taniguchi,Rie Ichikawa,Junji Fukuhara,Osamu Abe,Michio Miyashita,Hiroshi Kanamaru,Mamoru Ayusawa,Kensuke Harada,Hideo Mugishima,

Background Catheter ablation inside the Koch's triangle has a risk for complete atrioventricular block. Methods and Results The anatomic size of the coronary sinus (CS) and His bundle (HB) in children and the distance between them was studied using a 3-dimensional electroanatomical mapping system (CARTO). Fifty-three children (mean age, 11.8+/-3.7 years) without congenital heart disease (ie, 24 with atrioventricular re-entrant tachycardia, 18 with atrioventricular nodal re-entrant tachycardia, 7 with atrial tachycardia, 2 with ventricular tachycardia and 2 with atrial flutter) were studied. The size of the HB recording area was 148+/-97 mm(2) and the size of the CS was 66+/-44 mm(2). The size of the CS and the distance between the HB and CS (18+/-7 mm) were proportional to body weight, body length and body surface area. All patients underwent catheter ablation, including 25 ablations inside Koch's triangle. Catheter ablation was successful in 52 patients without any atrioventricular nodal injury. Conclusions The CS size and the distance between the HB and CS increased proportionally with children's growth. To know the distance from the HB to the ablation point is useful in avoiding atrioventricular node injury, and information about the length of Koch's triangle may provide supportive information when applying radiofrequency energy inside Koch's triangle without needing to use the CARTO system in children, but this merits further investigation. (Circ J 2007; 71: 1918 - 1921).

Clinical Importance of Koch's Triangle Size in Children. Publishing Authors By Initials

N Sumitomo,S Tateno,Y Nakamura,H Ushinohama,K Taniguchi,R Ichikawa,J Fukuhara,O Abe,M Miyashita,H Kanamaru,M Ayusawa,K Harada,H Mugishima,N Sumitomo,S Tateno,Y Nakamura,H Ushinohama,K Taniguchi,R Ichikawa,J Fukuhara,O Abe,M Miyashita,H Kanamaru,M Ayusawa,K Harada,H Mugishima,N Sumitomo,S Tateno,Y Nakamura,H Ushinohama,K Taniguchi,R Ichikawa,J Fukuhara,O Abe,M Miyashita,H Kanamaru,M Ayusawa,K Harada,H Mugishima,

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Clinical Importance of Koch's Triangle Size in Children. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Circulation journal : official journal of the Japa

VOLUME: 71

Page Numbers: 1918-21

Journal Abbreviation: Circ. J.

ISSN: 1346-9843

DAY: 26

MONTH: Dec

YEAR: 2007

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LANGUAGE: eng

NlmUniqueID: 101137683

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AFFILIATION: Department of Pediatrics, Nihon University School of Medicine.

Country: Japan

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MEDLINETA: Circ J

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