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231225s2020 xx |||||o 00| ||chi c |
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|a 10.3760/cma.j.cn112140-20200308-00199
|2 doi
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|a chi
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|a Jiang, H
|e verfasserin
|4 aut
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|a Clinical characteristics and radiofrequency ablation of focal atrial tachycardia in 125 children
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.01.2021
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|a Date Revised 12.01.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a Objective: To investigate the clinical characteristics of focal atrial tachycardia (FAT) and the efficacy of radiofrequency catheter ablation (RFCA) in pediatric FAT. Methods: A total of 125 children with FAT who were treated with RFCA in the First Hospital of Tsinghua University from January 2010 to July 2018 were involved in the study. The clinical characteristics, origin of FAT, success rate of RFCA and recurrence rate and complications post RFCA were retrospectively analyzed, and the efficacy and X-ray radiation were compared between two-dimensional (2D) and 3D mapping system by t test or Chi-square analysis. Results: Among the 125 children, 57 were males and 68 females, age of (7.6±3.5) years old and body weight of (27.7±13.3) kg; and 62 (49.6%) had paroxysmal FAT, and 63 (50.4%) incessant FAT. Twenty-seven patients (21.6%) presented with tachycardia-induced cardiomyopathy (TIC), and 22 of whom (81.5%) were secondary to the incessant FATs. Most of the FATs originated from atrial auricle (46/125, 36.8%). Ablation was successful in 111 children (88.8%), and the recurrence rate was 25.2% (28/111). No complications were identified in the whole group. The efficacy and safety of 3D mapping system (87 cases) was better than that of the 2D mapping system (38 cases), according to the lower recurrence rate ((19.0% (15/79) vs. 40.6% (13/32), χ2 = 3.849, P=0.049), shorter X-ray exposure time ((4.9±2.3) vs. (12.5±5.7) min, t=7.942, P<0.01) and lower radiation doses ((5.3±3.3) vs. (10.9±3.7) mGy, t=8.038, P<0.01). Conclusions: FAT in children is mainly originated from atrial auricle, and incessant FAT is prone to progress to tachycardia-induced cardiomyopathy. RFCA is safe and effective for drug-resistant or drug-intolerant FAT in children, and 3D mapping system should be preferred
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|a Journal Article
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|a Catheter ablation
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|a Child
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|a Tachycardia, ectopic atrial
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|a Li, X M
|e verfasserin
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|a Li, M T
|e verfasserin
|4 aut
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|a Ge, H Y
|e verfasserin
|4 aut
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|a Zhang, Y
|e verfasserin
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|a Liu, H J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Zhonghua er ke za zhi = Chinese journal of pediatrics
|d 1960
|g 58(2020), 11 vom: 02. Nov., Seite 900-904
|w (DE-627)NLM136249191
|x 0578-1310
|7 nnns
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|g volume:58
|g year:2020
|g number:11
|g day:02
|g month:11
|g pages:900-904
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|u http://dx.doi.org/10.3760/cma.j.cn112140-20200308-00199
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