Key result
Among 16 patients with congenital Long QT Syndrome, 56% presented with syncope, convulsion, or cardiac arrest, and 3 were initially misdiagnosed with epilepsy.
Observational (n=16)
No
Highlights the high rate of misdiagnosis (such as epilepsy) in congenital Long QT Syndrome and emphasizes the need for ECG screening in patients with recurrent seizures and their family members.
Purpose: Long QT Syndrome (LQTS) is characterized by prolonged ventricular repolarization and tendency to malignant tachyarrhythmia. We reported 16 patient diagnosed congenitally LQTS as a tertiary centre's 12 years experience. Material and Methods: Patients whom diagnosed as congenitally LQTS in Cukurova University Divison of Pediatric Cardiology between years 2001 to 2013 were included the study.Results: Sixteen patients (6 female, 12 male) were diagnosed as congenitally LQTS. Mean age of patients was 10 years (2.6-20 years), mean follow up period was 35 months (11-120 months). Mean corrected QT interval was measured 520 ms (470-590 ms). At the diagnosis nine of sixteen patients (56%) had syncope, convulsion or cardiac arrest history, and three of them were misdiagnosed as epilepsy and were treated with antiepileptic drugs as well.Conclusion: We want to underline the importance of electrocardiography monitoring at all family members and some patients who misdiagnosed as recurrent seizures.
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Arslan et al. (2016) conducted an observational in Congenital Long QT Syndrome (n=16). Congenital Long QT Syndrome was evaluated on Syncope, convulsion or cardiac arrest history at diagnosis. Among 16 patients with congenital Long QT Syndrome, 56% presented with syncope, convulsion, or cardiac arrest, and 3 were initially misdiagnosed with epilepsy.
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