ISSN 2149-2263 | E-ISSN 2149-2271
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Ventricular arrhythmia and tetralogy of Fallot repair with transannular patch [Anatol J Cardiol]
Anatol J Cardiol. 2005; 5(4): 297-301

Ventricular arrhythmia and tetralogy of Fallot repair with transannular patch

Süleyman Özkan1, Tankut Akay1, Bahadır Gültekin2, Birgül Varan3, Kürşat Tokel3, Sait Aşlamacı1
1Başkent Universitesi Hastanesi, Kalp Damar Cerrahi Kliniği, Ankara, Türkiye
2Department of Cardiovascular Surgery, Faculty of Medicine, Başkent University, Ankara-Turkey
3Department of Pediatric Cardiology Başkent University, Faculty of Medicine, Ankara, Turkey

Objective: Life-threatening arrhythmias and sudden death remain to be serious late complications after correction of tetralogy of Fallot. The aim of this study was to detect ventricular arrhythmia incidence and to find out the relationship between ventricular arrhythmia and the transannular and infundibular patch repair techniques to correct tetralogy of Fallot. That is still unpredictable exactly. Methods: Thirty-nine patients with mean age of 12.1+3.1 years were studied prospectively for 7.1+2.1 years after operation. They were all investigated with electrocardiography, echocardiography, treadmill and Holter monitorization. Right ventricular functions, exercise capacity and arrhythmia patterns were assessed. Lown criteria were used for grading the arrhythmia patterns. QRS duration, QT dispersion and QT dispersion indexes were calculated. Results: Follow up time was 5 to 13 years in both groups. All QT dispersion times and indexes were within normal ranges and there were no differences between two groups. Holter and treadmill studies did not reveal during any ventricular arrhythmia risk in the study and control groups. Conclusion: Seven years of follow-up after correction of tetralogy of Fallot revealed that transannular patch reconstruction is not a cause of tendency for ventricular arrhythmia according to Lown criteria, QT dispersion, QT dispersion indexes and QRS duration do support the results of previous studies.

Keywords: Tetralogy of Fallot, transannular patch, ventricular arrhythmia

Süleyman Özkan, Tankut Akay, Bahadır Gültekin, Birgül Varan, Kürşat Tokel, Sait Aşlamacı. Ventricular arrhythmia and tetralogy of Fallot repair with transannular patch. Anatol J Cardiol. 2005; 5(4): 297-301
Manuscript Language: English


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