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Clinical analysis of radiofrequency transcatheter ablation for treatment of tachyarrhythmia in 261 children / 中华实用儿科临床杂志
Chinese Journal of Applied Clinical Pediatrics ; (24): 1797-1800, 2013.
Article in Chinese | WPRIM | ID: wpr-733224
ABSTRACT
Objective To investigate the efficacy and safety of radiofrequency catheter ablation(RFCA) treatment for children with tachyarrhythmia of various types.Methods Two hundred and sixty-one cases with tachyarrhythmia who received RFCA at Shandong Provincial Hospital Affiliated to Shandong University from Aug.2000 to Dec.2012 were selected.All electrocardiogram(ECG) and echocardiography data were obtained.All of the 261 patients underwent electrophysiological study and RFCA.The clinical data of the pediatric patients with tachyarrhythmia after RFCA in Shandong Provincial Hospital Affiliated to Shandong University were retrospectively analyzed and the curative effect and the complication rate of RFCA treatment for children with tachyarrhythmia of various types were investigated.Results (1)Among the 261 cases,4 cases had tachyarrhythmia associated with tachycardia induced cardiomyopathy,and 1 case had tachycardia associated with heart failure.(2)One hundred and forty-six cases had atrioventricular reentrant tachycardia(AVRT) ;74 cases had atrioventricular nodal reentrant tachycardia(AVNRT) ;32 cases had idiopathic ventricular tachycardia(IVT) ;6 cases had atrial tachycardia(AT) ;and 3 cases had atrial flutter(AF).Ten children with tachyarrhythmia associated with organic heart disease received RFCA successfully.(3) The average operation time was (101.23 ±51.37) minutes and the average X-ray exposure time was(21.85 ± 17.10) minutes.(4)The total successful rate of RFCA was 98.08% (256/261 cases),1 case(0.38%) suffered from pneumothorax after operation,and recovered after treatment.There was no serious complications nor deaths of all the patients.(5) Twenty-two cases recurred,and the total recurrence rate was 8.43% (22/261 cases),time to relapse was 3 days to 5 years,and the average time was 7 months.There were 9 cases in IVT(9/32 cases,28.13%),7 cases in AVRT(7/146 cases,4.79%),4 cases in AVNRT(4/74 cases,5.41%),2 cases in AT(2/6 cases,33.33%).Eighteen cases received successful RFCA for second time,and 4 cases had good effect after drug control.Conclusions (1) RFCA in pediatric patients of tachyarrhythmia is relatively convenient,and this therapy can be performed safely and effectively that can cure certain tachyarrhythmia.(2) AVRT is the common type of tachyarrhythmia in children,followed by AVNRT,IVT,AT and AF.(3) The total recurrence rate of RFCA in children is low,but is relatively high in IVT and AT.(4) The success rate of RFCA is the same in children combined organic heart disease.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Applied Clinical Pediatrics Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Applied Clinical Pediatrics Year: 2013 Type: Article