Özet:

Despite the advances in surgical and transcateter closing techniques, rhythm disorders may be seen after treatment of atrial septal defect (ASD). This study is aimed at conducting postoperative electrocardiography (ECG) analyses of the facts closed by ASD with a surgical or transcateter method and identifying the occurring rhythm disorders. Tools and Methods: The events of the ASD closure process from October 1992 to December 2018 were evaluated as retrospective. The demographic data at the time of application of 140 incidents were compared in ECGs before and after the ASD closure procedure, axis, heart rate, PR - QRS - QTc time, and rhythm analysis was carried out. The results were given as the average (minimum, maximum). Results: The study included 140 cases (82 (58.5%) surgery closure, 49 (59.8%) girls. The average age was 58.3 months (9.9-196,5) in the surgical group; 90.9 months (42.5-204.7) in the transcateter group (p=0.02). The size of ASD was determined as the average of 14.5 mm (4-35 mm) in the surgical group and the average of 9.5 mm (4-20 mm) in the transcateter group (p=0,001). Before the procedure, no statistically meaningful differences were found between the groups in terms of ECG parameters, and no rhythm disorder was observed in both groups. After the procedure, the branch blocks and arithmia frequency were higher in the surgical group. (parithmi = 0.02 and pdalblock = 0.026) In the surgical group after the procedure in 2 cases temporary, in 4 cases permanent rhythm change (in 2 cases 2 degree AV block and in one case 1. Degree AV block, ectopic atrial rhythm, supraventricular tachycardia (SVT) and nodal rhythm) were determined. No rhythm changes were observed in the transcatter group. Result: There was no clear difference between the surgical or transcateter closure of the ASD in terms of the changes it made in the ECG parameters. During the surgery, the rhythm changes occurred more frequently. Keywords: Atrial Septal Defect Closing; Arithmi; Electrocardiography ABSTRACT Objective: Despite advances in surgical and transcatheter closure techniques, rhythm disturbances might be seen after treatment of atrial septal defect (ASD). In this study, analysis of postoperative electrocardiography (ECG) findings and detection of the rhythm disorders in the patients whose ASD was closed by surgical or transcatheter method were aimed. Material and Methods: Patients who underwent ASD closure between October 1992 and December 2018 were evaluated retrospectively. Demographic data of 140 patients at the time of admission, heart rhythm, heart rate (HR), PR-QRS-QTc intervals and heart axis were analyzed. Results were given as median (min, max). Results: One hundred and forty cases [82 (58.5%) surgical closure, 49 (59.8%) girls] were included. The median age was 58.3 months (9.9-196.5) in the surgery group and 90.9 months (42.5-204.7) in the transcatheter group (p=0.02). The median ASD diameters were 14. 5 mm (4-35) in the surgical group, and 9.5 mm (4-20) in the transcatheter group (p=0.001). Before the procedure, there was no statistically significant difference between the groups in terms of ECG intervals and arithmia was not observed in both groups. After the procedure, the frequency of branch block and rhythm changes was higher in the surgical group (parrhythmia=0.02, pbranchblock=0.026). In the surgical group, transient (n=2) and permanent (n=4) rhythm changes were detected after the procedure: 2nd° AV block in two patients and 1st° AV block, ectopic atrial rhythm, supraventricular tachycardia and nodal rhythm in one patient each. Rhythm change was not observed in transcatheter group. Conclusion: There was no significant difference between the surgical or transcatheter closure of ASD in terms of changes in ECG intervals. Rhythm changes were found to develop more frequently in cases with surgical closure. Keywords: Atrial Septal Defect Closure; Arhythmia; Electrocardiography

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