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Item The Prevalence and Clinical Characteristics of Primary Stabbing Headache(2022) Saygi, Semra; https://orcid.org/0000-0002-8522-5078; 36245416; AAB-1203-2021Objective This study aimed to determine the prevalence and characteristics of primary stabbing headache in children and adolescents that presented because of headache. Materials and Methods: The medical files of 772 children and adolescents who presented with headache to the Pediatric Neurology Outpatient Clinic at Baskent University between 2012 and 2020 were retrospectively reviewed. In total, 77 patients (9.97%) with primary stabbing headache and those thought to have primary stabbing headache were included in the study. Patient data, including demographic features, headache characteristics, family history of primary headache, electroencephalographic (EEG) findings, and cranial magnetic resonane imaging (MRI) findings, were noted. Results: Age at presentation was <6 years in 16.9% of the patients and onset time of headache was below 3 months in 55.8%. Daily headache attacks occurred in 46.8% of the patients. Headache localization was frontal in 54.5% of patients and bilateral in 68.8%, whereas the quality of headache was undefined in 40.3%. Headache attack duration was seconds long in 37.7% of the patients, attacks occurred at any time of the day in 83.1%, and 80.5% did not have accompanying symptoms. In all, 54.5% of the patients had a negative family history of primary headache. In 95.8% of the patients, EEG findings were normal and cranial MRI findings were normal in 100% of the patients. Conclusion: The prevalence of primary stabbing headache is not rare in children and adolescents. Clinician awareness of the diagnosis and underlying causes of primary stabbing headache should be increased.Item Clinical approach to the child with seizure(2021) Saygi, SemraItem Early clinical predictors of intractable epilepsy in childhood(2014) Saygi, Semra; Erol, Ilknur; Alehan, FusunAim: In this retrospective study, we evaluated the clinical responses to antiepileptic drug (AED) therapy in pediatric epilepsy patients treated at a single center. Materials and methods: We identified 28 children with intractable epilepsy and 213 patients with drug-responsive epilepsy. Results: Univariate analysis showed that age at onset, high (daily) initial seizure frequency, infantile spasm, history of neonatal seizures, abnormal neurodevelopmental status, neurological abnormalities, mental retardation, remote symptomatic etiology, and abnormal brain imaging results were significant risk factors for the development of intractable epilepsy (P < 0.05). Multivariate logistic regression analysis revealed that high (daily) initial seizure frequency and remote symptomatic etiology were significant and independent risk factors for intractable epilepsy (P < 0.05). Conclusion: Our study suggests that the risk of developing intractable epilepsy in childhood may be predicted, to some extent, by the early clinical course. Early identification of patients at high risk of developing intractable epilepsy will guide appropriate therapy and reduce exposure to ineffectual treatments.Item Tuberous sclerosis complex; a single center experience(2015) Erol, Ilknur; Savas, Tulin; Sekerci, Sevda; Yazici, Nalan; Erbay, Ayse; Demir, Senay; Saygi, Semra; Alkan, Ozlem; 26078697Aim: This study was planned with the aim of retrospectively reviewing the clinical and laboratory findings and therapies of our patients diagnosed with tuberous sclerosis and redefining the patients according to the diagnostic criteria revised by the 2012 International Tuberous Sclerosis Complex Consensus Group and comparing them with the literature. Material and Methods: 20 patients diagnosed with tuberous sclerosis complex in the Pediatric Neurology Clinic were examined retrospectively in terms of clinical findings and therapies. The diagnoses were compared again according to 1998 and 2012 criteria. Results: It was observed that the complaint at presentation was seizure in 17 of 20 patients and hypopigmented spots on the skin in 3 of 20 patients. On the initial physical examination, imaging findings related with the disease were found in the skin in 17 of the patients, in the eye in 5, in the kidneys in 7 and in the brain in 17. No cardiac involvement was observed in the patients. Infantile spasm was observed in 7 of the patients who presented because of seizure (n=17), partial seizure was observed in 7 and multiple seizure types were observed in 3. It was found that sirolimus treatment was given to 9 of 20 patients because of different reasons, 7 of these 9 patients had epileptic seizures and sirolimus treatment had no effect on epileptic seizures. According to 2012 diagnostic criteria, no marked change occured in the diagnoses of our patients. Conclusions: It was observed that the signs and symptoms of our patients were compatible with the literature. Molecular genetic examination was planned for the patients who were being followed up because of possible tuberous sclerosis complex. It was observed that sirolimus treatment had no marked effect on the seizure frequency of our patients.Item Wernicke Encephalopathy after Gastrointestinal Surgery(2015) Saygi, Semra; Savas, Tulin; Alkan, Ozlem; Erol, IlknurWe herein describe a child operated for acute abdomen who developed Wernicke's encephalopathy (WE) secondary to prolonged total parenteral nutrition (TPN) that lacked vitamin B1 supplementation. The author concluded that surgeons, child neurologists, pediatricians and radiologists need to be aware of the predisposing factors and symptoms of WE. Clinicians need to keep in mind that ophthalmoplegia, ataxia or altered mental status could be findings of WE.Item Narcolepsy and cataplexy: a pediatric case report(2016) Erol, Ilknur; Savas, Tulin; Saygi, Semra; Habesoglu, Mehmet Ali; 0000-0002-3530-0463; 0000-0002-8522-5078; 0000-0001-9136-355X; 28123336; AAK-4825-2021; Q-2338-2019; AAB-1203-2021Narcolepsy is characterized by excessive sleepiness, cataplexy, hypnagogic hallucinations, and sleep paralysis during the rapid eye movement period of sleep. Herein, we present a boy aged eight years who was diagnosed as having narcolepsy and cataplexy about thirteen months after his first presentation. He was admitted with symptoms of daytime sleepiness. In the follow-up, cataplexy in the form of head dropping attacks developed seven months after the first admission. The patient was investigated for different prediagnoses and was eventually diagnosed as having narcolepsy and cataplexy through polysomnography and multiple sleep latency tests thirteen months after the first presentation. He is being followed up and is under drug therapy; his symptoms have improved substantially.