Wos İndeksli Açık & Kapalı Erişimli Yayınlar

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    Plasma Exchange in the Treatment of A Child with West Nile Virus Encephalitis: A Case Report
    (2022) Ozkale, Yasemin; Ozkale, Murat; Ceylan, Ozgur; Erol, Ilknur
    Background: West Nile virus (WNV) is a member of the Japanese encephalitis antigenic complex of the family Flaviviridae that can cause a wide range of clinical symptoms, from asymptomatic disease to severe meningitis, encephalitis flaccid paralysis, and death. In immunocompetent children, WNV infection is usually benign and self-limiting. However, this virus is also associated with severe neurological disease in some patients, especially those who are older, have a chronic disease, have undergone organ transplantation, or are immunocompromised. Case Report: A 12-year-old boy with selective immunoglobulin A-deficiency (SIgAD) and refractory seizures due to WNV encephalitis (WNE) was successfully treated with therapeutic plasma exchange (TPE) in conjunction with other immunomodulatory therapies. Conclusion: WNV can progress like autoimmune encephalitis. TPE appears to be safe and effective for treating children with WNE. To our knowledge, this report is the first of a child with WNV infection and SIgAD.
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    A novel mutation in two cousins with guanidinoacetate methyltransferase (GAMT) deficiency presented with autism
    (2019) Aydin, Halil Ibrahim; Sonmez, Fatma Mujgan; 0000-0001-7994-4394; 31559727
    Guanidinoacetate methyltransferase (GAMT) deficiency is a rare autosomal recessive disorder of creatine biosynthesis. Here, we report 9 and 10-year-old cousins with GAMT deficiency caused by a novel mutation who both exhibited neurodevelopmental retardation, seizures, behavioral problems, and autism that began during early infancy. The patients were diagnosed as having only autism and followed for years without a specific diagnosis although they had very low levels of serum creatinine for several times. A novel nonsense mutation in the GAMT gene that caused cessation of synthesis of the protein encoded by this gene was identified in these patients. GAMT deficiency is a treatable inborn error of metabolism and should be considered for all patients with hypotonia, developmental delay, seizures and autism, particularly if low serum creatinine levels are observed.