Yazar "Eryilmaz, Gul" seçeneğine göre listele

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    Depressive symptoms associated with dabigatran: a case report
    (WILEY, 2015) Eryilmaz, Gul; Enez Darcin, Asli; Saglam, Esra; Gogcegoz Gul, Isil
    Several studies have reported that depression and anxiety are very common in atrial fibrillation due to impaired quality of life. Dabigatran is an anti-aggregation agent used for the treatment of atrial fibrillation. In terms of drug interactions during treatment with dabigatran, patients suffering from minor depression are reported to be a population at risk. This report is about a 68-year-old man whose depressive symptoms were aggravated after taking dabigatran for atrial fibrillation. The case is discussed in terms of his aggravated depressive symptoms and the interaction between his prescription medications.
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    Effect of valproate on the plasma concentrations of aripiprazole in bipolar patients
    (INFORMA HEALTHCARE, 2014) Eryilmaz, Gul; Sayar, Gokben Hizli; Ozten, Eylem; Gul, Isil Gogcegoz; Karamustafalioglu, Oguz; Yorbik, Ozgur
    Objective. There is very limited documentation available on the effects of valproate co-medication on the pharmacokinetics of aripiprazole in a naturalistic setting. The aim of the present study was to investigate the effect of co-medication with valproate on serum concentrations of aripiprazole in bipolar disorder patients in a clinical setting. Method. Plasma samples of bipolar disorder patients (n = 69) on a stable dose of aripiprazole 20 mg/day were analyzed by a liquid chromatography-mass spectrometry method in a routine therapeutic drug monitoring setting. Therapeutic drug monitoring was done for the entire study group before and aft er valproate co-administration. Results. We observed a statistically significant difference between the aripiprazole monotherapy and aripiprazole-valproate combination with respect to total aripiprazole plasma levels (p < 0.01). However, no statistically significant differences were noted in aripiprazole levels between the first week and the second week of valproate co-administration. Conclusion. In conclusion, concurrent treatment with valproate resulted in changes in the total aripiprazole plasma levels by 23%. But a lower total aripiprazole concentration during co-medication with valproate, caused by protein binding displacement, is reported being clinically insignificant in previous studies. The results from these studies are important in order to clarify clinical safety and efficacy.
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    Possible Effects of Copper and Ceruloplasmin Levels on Auditory Event Potentials in Boys with Attention Deficit Hyperactivity Disorder
    (AVES, 2016) Yorbik, Ozgur; Mutlu, Caner; Ozdag, Mehmet Fatih; Olgun, Abdullah; Eryilmaz, Gul; Ayta, Semih
    Introduction: The aims of the present study were to investigate the relationship between levels of plasma copper (Cu) and ceruloplasmin (Cp) and amplitudes and latencies of P1, N2, and P3 in the parietal and frontal areas of children with attention deficit hyperactivity disorder (ADHD) as well as to compare these Cu levels and event-related potentials (ERPs) indices in controls. Methods: Boys (n=41) with ADHD were divided into two subgroups according to a median split of plasma Cu and Cp levels, separately. ERP indices from the parietal and frontal regions were recorded in children with ADHD and 24 normal boys (control group) using an auditory oddball paradigm. Results: Parietal P3 latency was significantly longer, and parietal P3 amplitude, frontal P3 amplitude, and frontal N2 amplitudes were smaller in children with ADHD than in controls (all p values <0.017). Parietal P1 and frontal P1 latencies were significantly shorter in the higher Cu group than in the lower Cu group (both p values <0.017). Decreased latency of parietal P1 was dependent on plasma levels of Cu (p<0.05). Frontal N2 and parietal N2 amplitudes were significantly lower in the ADHD group with lower Cp levels than in the ADHD group with higher Cp levels (both p values <0.017). Decreased frontal N2 and parietal N2 amplitudes were dependent on plasma levels of Cp (both p values <0.05). Conclusion: Plasma Cu and Cp levels may have an effect on ERPs in ADHD, thus indicating the existence of effects on information processing. Cu levels may have a negative effect on the neuronal encoding of sound, whereas Cp levels may have a positive effect on the processes of cognitive control, conflict monitoring, and stimulus discrimination in children with ADHD.