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Yıl:2012; Cilt: 22; Sayı: 1>> Özet
TAM METİN
Klinik Psikofarmakoloji Bülteni; 2012;22(1):10-16
Akut mani nöbetinde nitrik oksit ve asimetrik dimetilarjinin düzeyleri
DS Aykut, A Tiryaki, E Özkorumak, C Karahan
Karadeniz Technical University Faculty of Medicine, Department of Psychiatry, Trabzon
Amaç: İki uçlu duygudurum bozukluklarının (İDB) biyokimyasal
boyutu üzerine olan çalışmalar yakın zamanda
artış göstermiştir. Nitrik oksitin (NO) ve NO’nun sistem
içi baskılayıcısı olan asimetrik dimetil arginin (ADMA)’nin
işlevi, duygudurum bozuklukları, şizofreni, otizm, obsesif
kompulsif bozukluk ve Alzheimer hastalığında incelenmiş
ve anlamlı sonuçlar bulunmuştur. Bu çalışmada, İDB duygudurum
bozukluğu hastalarının akut mani dönemlerinde,
plazma NO ve eş zamanlı plazma ADMA seviyelerinin sağlıklı
kontrollerle karşılaştırılması amaçlanmıştır.
Yöntem: Çalışmaya DSM-IV-TR’ye göre İDB-I mani nöbeti
tanısı konulan 30 hasta alınmıştır. Sağlıklı kontrol grubu olarak
hasta grubu ile yaş, cinsiyet, sigara kullanımı açısından
eşleştirilmiş aynı sayıda kişi alınmıştır. Hasta grubuna tanı
koymak, hasta ve çalışma gruplarında ilave ruhsal bozuklukları
dışlamak için, SCID-I, hastalık şiddetini değerlendirmek
için Hamilton Depresyon Ölçeği, Young Mani Ölçeği,
Montgomery Asberg Değerlendirme Ölçeği kullanılmıştır.
Çalışma ve kontrol grubundan, plazma NO seviyesi ve eş
zamanlı ADMA seviyesi tayini için, 2 tüp plazma örneği
alınmıştır.
Sonuçlar: Hasta ve kontrol gruplarının plazma NO ve
ADMA seviyeleri karşılaştırıldığında, hasta grubunda kontrol
grubuna göre plazma NO seviyelerinin istatistiksel olarak
anlamlı derecede düşük, ADMA seviyelerinin ise istatistiksel
olarak anlamlı derecede yüksek olduğu bulunmuştur.
Tartışma: Çalışmamız, İDB-I etiyopatogenezinde, NO’nun
ve ADMA’nın işlevi ve karmaşık nörotransmitter sistemleri
arasındaki ilişkiyi anlamaya katkıda bulunabilir.
Nitric Oxide and Asymmetrical Dimethylarginine Levels in Acute Mania
Objective: Changes in NO synthesis have been shown
in studies regarding NO function in mood disorders,
schizophrenia, autism, obsessive compulsive disorder and
Alzheimer’s disease. The aim of this study was to compare
plasma NO and simultaneous plasma ADMA levels of
bipolar patients in acute mania with healthy controls.
Methods: A group of 30 patients experiencing a manic
episode and diagnosed as having bipolar disorder
according to the DSM-IV TR criteria were included in the
study. The healthy control group consisted of the same
number of age and sex-matched individuals with a similar
smoking status. The SCID-I, Hamilton Depression Scale,
Young Mania Scale, and Montgomery Asberg Assessment
Scale were used to evaluate clinical condition and to
exclude any concurrent mental disorders in both groups.
Two tubes of blood were collected from all participants to
examine plasma NO and ADMA levels.
Results: Plasma NO levels of patients were found to
be significantly lower, whereas the ADMA levels were
significantly higher than the control group.
Conclusions: The results of this study can contribute to a
better understanding of the role of inflammatory processes
in acute mania in relation to NO and ADMA, which are
suspected to be involved in the pathogenesis of various
neuropsychiatric disorders.

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