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UYSAL, FAHRETTİN

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UYSAL

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    Publication
    The role of external loop recorders in arrhythmia-related symptoms in children: A single center experience
    (Springer, 2021-08-13) Akça, Tuğberk; Uysal, Fahrettin; Bostan, Özlem Mehtap; Genç, Abdusselam; Türkmen, Hasan; AKÇA, TUĞBERK; UYSAL, FAHRETTİN; BOSTAN, ÖZLEM MEHTAP; GENÇ, ABDÜSSELAM; TÜRKMEN, HASAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Kardiyoloji Bölümü; 0000-0001-7707-2174; 0000-0002-2747-974X; AEX-4557-2022; AAH-4421-2021; AAG-8558-2021; CQK-7120-2022; JKC-8556-2023
    In this study, we report our experience with the use of external loop recorders (ELRs), in terms of diagnostic efficiency according to symptoms and symptom-rhythm correlation in pediatric patients. We evaluated ELRs applied to 178 patients between April 2017 and November 2020 at our center. The mean age of 172 patients included in the study was 13.6 +/- 3.8 years, and 69.8% were female. ELR indications were palpitations in 98 (56.9%) cases, chest pain and palpitations in 43 (25%) cases, presyncope/syncope in 28 (16.2%) cases, and pacemaker/ implantable cardioverter-defibrillator (ICD) problems in 3 (0.2%) cases. ELR recording times were 14.2 +/- 9.7 days on average, ranging from 2 to 67 days. While the symptom-rhythm correlation was 29.1% in total, when the indications were evaluated one by one, this correlation was found to be 30.2% in palpitations, 34.7% in chest pain and palpitations, and 10.7% in presyncope/syncope. The total diagnostic efficiency was 68.1%. In the follow-up of ELR cases, a total of 139 (80.8%) patients received clinical follow-up without medication, 15 (8.8%) patients received medical treatment, and 18 (10.4%) patients underwent EPS. The cardiac ELR system is useful in detecting underlying arrhythmias. Demonstrating sinus tachycardia at the time of the symptom may be seen as negative finding, but while experiencing symptoms, it is diagnostically valuable and may help avoid further investigation with costly and invasive diagnostic procedures. For diagnostic efficiency and cost effectiveness, the optimal recording time is 2 weeks, but it should be extended to 4 weeks in cases such as of presyncope/syncope that cannot be explained with a 2-week ELR use.
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    Publication
    Evaluation of clinical features and prognosis in children with supraventricular tachycardia
    (Galenos Yayıncılık, 2023-12-01) Uysal, Fahrettin; Özbek, Alper Tunga; Genç, Abduesselam; Çil, Erguen; UYSAL, FAHRETTİN; Genç, Abduesselam; Çil, Erguen
    Introduction: This study aims to investigate the clinical characteristics of pediatric patients diagnosed with supraventricular tachycardia (SVT) and assess their shortterm prognosis. Materials and Methods: Data from 213 patients diagnosed with SVT between 2010 and 2015 at the Department of Pediatric Cardiology, Bursa Uludag University Faculty of Medicine, were retrospectively reviewed. Results: The ratio of male to female patients was 1: 1.25. Regarding treatment response and prognosis, the recurrence rate of SVT attacks was higher in males. The most common complaint at the time of diagnosis was palpitation. Furthermore, 17.8% of patients were diagnosed due to tachycardia detected during routine check-ups; almost all were under one year of age. In 56.3% of patients, the initial diagnosis was made at the pediatric emergency clinic. In acute treatment, 30% of patients were treated with vagal maneuvers; 61% had their attacks terminated, while 41% received drug therapy. Adenosine was the most used drug, and it successfully terminated attacks in 79% of patients receiving it. In the evaluation of patients' follow-ups after the initial attack, 56.3% of patients experienced recurrences, and 71% of second attacks occurred within the first three months. Prophylactic drug therapy was initiated in 94.4% of patients, with an average duration of 2.5 +/- 1.6 years. After treatment discontinuation, 75.4% of patients remained symptom-free, while 24.6% experienced SVT attacks again. Electrophysiological studies were performed in 16.9% of patients at another centers, and ablation was applied to 15.5%. Conclusion: Patients with SVT may be asymptomatic during infancy and vagal stimulation and adenosine response was quite good in acute treatment. Prophylactic medical treatment was effective in children whose weight is <15 kg and the recurrences were low after discontinuation especially in infants.