Clinical Importance of Koch's Triangle Size in Children A Study Using 3-Dimensional Electroanatomical Mapping
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- Sumitomo Naokata
- Department of Pediatrics, Nihon University School of Medicine
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- Tateno Shigeru
- Department of Pediatrics, Chiba Cardiovascular Center
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- Nakamura Yoshihide
- Second Department of Pediatrics, Wakayama Red Cross Hospital
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- Ushinohama Hiroya
- Department of Cardiology, Fukuoka Children's Hospital
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- Taniguchi Kazuo
- Department of Pediatrics, Nihon University School of Medicine
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- Ichikawa Rie
- Department of Pediatrics, Nihon University School of Medicine
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- Fukuhara Junji
- Department of Pediatrics, Nihon University School of Medicine
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- Abe Osamu
- Department of Pediatrics, Nihon University School of Medicine
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- Miyashita Michio
- Department of Pediatrics, Nihon University School of Medicine
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- Kanamaru Hiroshi
- Department of Pediatrics, Nihon University School of Medicine
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- Ayusawa Mamoru
- Department of Pediatrics, Nihon University School of Medicine
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- Harada Kensuke
- Department of Pediatrics, Nihon University School of Medicine
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- Mugishima Hideo
- Department of Pediatrics, Nihon University School of Medicine
書誌事項
- タイトル別名
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- A Study Using 3-Dimensional Electroanatomical Mapping
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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 mm2 and the size of the CS was 66±44 mm2. 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)<br>
収録刊行物
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- Circulation Journal
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Circulation Journal 71 (12), 1918-1921, 2007
一般社団法人 日本循環器学会
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詳細情報 詳細情報について
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- CRID
- 1390001205104556544
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- NII論文ID
- 110006452876
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- NII書誌ID
- AA11591968
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- ISSN
- 13474820
- 13469843
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 使用不可