Interval Representative of Transmural Dispersion of Repolarization in Children and Young Adolescents With Congenital Long QT Syndrome
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- Haraguchi Yasue
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Yoshinaga Masao
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Sarantuya Jav
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Shimago Atsushi
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Nishi Junichiro
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Kono Yukiharu
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Nomura Yuichi
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Kubo Rieko
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Eguchi Taisuke
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Tanaka Satoru
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Yanagi Sadamitsu
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Fukushige Toshiro
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Maruyama Ikuro
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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- Kawano Yoshifumi
- Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University
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Background It has been shown experimentally that the interval from the nadir of the initial negative T wave to the end of the T wave is representative of transmural dispersion of repolarization (TDR) when complex T waves are present. In the clinical setting, however, the interval representative of TDR in patients with long QT syndrome (LQTS) is a controversial subject. Methods and Results Five symptomatic patients (3 boys, 2 girls; 3 LQT1, 2 LQT2) were evaluated by a face immersion test before and after treatment to compare the configuration of the T wave. When the notch disappeared after treatment, the single peak of the T wave after treatment coincided with the nadir of the notch before treatment. When the notch remained the same after treatment as before treatment and when the QTc decreased, the corrected interval from the nadir of the notch to the end of the T wave was for the most part shortened. Conclusions The present study showed that the interval representative of the TDR in the clinical surface electrocardiogram can be obtained from the nadir of the notch to the end of the T wave in children and adolescents with LQTS, as was shown in the experimental study. (Circ J 2005; 69: 78 - 82)<br>
収録刊行物
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- Circulation Journal
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Circulation Journal 69 (1), 78-82, 2005
一般社団法人 日本循環器学会
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詳細情報
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- CRID
- 1390001205102283136
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- NII論文ID
- 110002696046
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- NII書誌ID
- AA11591968
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- ISSN
- 13474820
- 13469843
- http://id.crossref.org/issn/13469843
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- PubMed
- 15635208
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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
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可