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Heart rate variability improvement in children using transcatheter atrial septal defect closure [Anatol J Cardiol]
Anatol J Cardiol. 2016; 16(4): 290-295 | DOI: 10.5152/akd.2015.5922  

Heart rate variability improvement in children using transcatheter atrial septal defect closure

İsa Özyılmaz1, Yakup Ergül1, Hasan Tahsin Tola1, Murat Saygı1, Erkut Öztürk1, İbrahim Cansaran Tanıdır1, Öyku Tosun1, Sinem Özyılmaz2, Mehmet Gül2, Alper Güzeltaş1, Ender Ödemiş1, İhsan Bakır3
1Departments Of Pediatric Cardiology, Mehmet Akif Ersoy Thoracic And Cardiovascular Surgery Center And Research Hospital; İstanbul- Turkey
2Cardiology, Mehmet Akif Ersoy Thoracic And Cardiovascular Surgery Center And Research Hospital; İstanbul- Turkey
3Pediatric Cardiovascular Surgery, Mehmet Akif Ersoy Thoracic And Cardiovascular Surgery Center And Research Hospital; İstanbul- Turkey

Objective: We evaluated autonomic behavior by examining heart rate variability (HRV) in the time domain and frequency domain in pediatric patients who underwent transcatheter closure of atrial septal defect (ASD).
Methods: A prospective study design was used. Holter ECG was performed in a control group of 30 healthy subjects and a group of 47 patients who underwent transcatheter ASD closure. ECG was taken one day before, one day after, and six months after the procedure to evaluate changes in the time domain [SDNN, rMSSD, NN, pNN50(%), and SDANN] and frequency domain (VLF, LF, HF, VHF, and LF/HF) in the patient group. Student’s t-test was used to evaluate changes prior to and after the procedure.
Results: There were 28 females (60%) in the patient group and 21 females (70%) in the control group. The mean age and weight of the participants in the patient group were 9.61±4.72 years and 32.40±19.60 kg, respectively; the mean age and weight of the control subjects were 10.43±5.31 years and 32.83±13.00 kg, respectively. In both the time domain and frequency domain analyses, the patient group values were found to be lower than those in the control group prior to the procedure; the values in the patient group were found to approach the values in the control group following the procedure. By the sixth month, the values in the patient group reached the control levels with no statistically significant difference (SDNN: 145±0.84, 137.50±42.50; rMSSD: 72.18±48.22, 58.14±28.49; SDANN: 125.13±13.50, 122.40±41.06; VLF: 112.85±29.07, 114.41±98.39; LF: 50.40±24.09, 45.69±15.13; HF: 39.28±19.86, 44.29±13.14; VHF: 10.29±4.24, 9.99±6.47; LF/HF: 1.90±1.44, 1.24±0.81; p>0.05).
Conclusion: The transcatheter closure of secundum ASDs was found to have a positive effect on HRV. Consequently, it may contribute to reduced mortality and morbidity. We can conclude that in children, HRV recovers approximately six months after transcatheter ASD closure. (Anatol J Cardiol 2016; 16: 290-5)

Keywords: heart rate variability, atrial septal defect, closure, transcatheter, children


İsa Özyılmaz, Yakup Ergül, Hasan Tahsin Tola, Murat Saygı, Erkut Öztürk, İbrahim Cansaran Tanıdır, Öyku Tosun, Sinem Özyılmaz, Mehmet Gül, Alper Güzeltaş, Ender Ödemiş, İhsan Bakır. Heart rate variability improvement in children using transcatheter atrial septal defect closure. Anatol J Cardiol. 2016; 16(4): 290-295

Corresponding Author: İsa Özyılmaz, Türkiye


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