Araştırma Çıktıları | TR-Dizin | WoS | Scopus | PubMed
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Item Radiofrequency catheter ablation of left-sided accessory pathways via retrograde aortic approach in children(2016) Ayabakan, Canan; Sahin, Murat; Celiker, Alpay; 27354861Background: We aimed to analyze the results of retrograde aortic radiofrequency catheter ablation of left-sided accessory pathways in children. Methods: Between January 2010 and September 2014, 25 children who underwent left-sided accessory pathway ablation with a retrograde aortic approach were evaluated retrospectively. Results: The mean age of the patients was 11.09 +/- 3.71 years. Seventeen patients were male (68%). The mean procedure and fluoroscopy times were 71.54 +/- 21.05 min and 31.42 +/- 19.57 min, respectively. Radiofrequency energy was delivered with 41.38 +/- 15.32 W at 52.38 +/- 5.45 degrees C. Sixteen patients (64%) presented with manifest preexcitation and, 9 had concealed accessory pathways. The location of accessory pathway was left lateral in 16 patients, posteroseptal in 5, left anterolateral in 2, and left posterolateral and left posterior in the remaining 2. The acute success rate was 96%. The patients were followed for a mean of 16.68 +/- 18.01 months. There were 2 recurrences. No major complications were observed in the periprocedural period. One patient had groin hematoma, another one had transient severe headache and vomiting. Trivial mitral regurgitation was noted in a patient, which remained the same throughout follow-up. None of the patients developed new aortic regurgitation, pericardial effusion, or thrombi at the site of ablation. Conclusions: The retrograde aortic approach can be safely employed with a high success rate for ablation of left-sided accessory pathways in children. (C) 2016 Japanese Heart Rhythm Society. Published by Elsevier B.V.Item Long-term outcomes in patients who underwent surgical correction for atrioventricular septal defect(2018) Ayabakan, Canan; Sarisoy, Ozlem; Tokel, Kursad; Ozkan, Murat; Turkoz, Riza; Aslamaci, Sait; 30297581Objective: The follow-up results of patients operated for atrioventricular septal defect (AVSD) during 1996-2016 at Baskent University are presented. Methods: Data obtained from hospital records consists of preoperative echocardiographic and angiographic details, age and weight at surgery, operative details, Down syndrome presence, postoperative care details, early postoperative and latest echocardiographic findings and hospitalization for reintervention. Results: A total of 496 patient-files were reviewed including 314 patients (63.4%) with complete and 181 (36.6%) with partial AVSD (48.4% of all patients had Down syndrome). Atrioventricular (AV) valve morphology was Rastelli type A in 92.2%, B in 6.5%, and C in 1.3% of patients. The operative technique used was single-patch in 21.6% (108), double-patch in 25.8% (128), and modified single-patch (Wilcox) in 52.5% (260) of patients. The follow-up time was 37.79 +/- 46.70 (range, 0-198) months. A total of 64 patients (12.9%) had a rrhythmias while in the intensive care unit; pacemaker was implanted in 12 patients. A total of 78 patients (15.7%) were treated for pulmonary hypertensive crisis. The early morbidity and mortality in the postoperative first month were calculated as 38% and 10%, and the late morbidity and mortality (>1 month) were calculated as 13.1% and 1.9%, respectively. The rate of reoperation in our cohort was 8.9%. Conclusion: Although the early morbidity and mortality are low in AVSD operations, the rate of reoperations for left AV valve insufficiency are still high. Although Down syndrome is not a risk factor for early mortality, the co-morbid factors, such as longer postoperative mechanical ventilator or inotropic support, lead to higher risk for morbidity. The frequency of pulmonary hypertension and consequent complications are also high.