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Yıl:2015; Cilt: 53; Sayı: 2>> Özet
TAM METİN
Yeni Symposium; 2015;53(2):23-29
Memantin’in sepsis indükte kritik hastalık polinöropatisindeki terapötik etkilerinin incelenmesi
V Solmaz, BP Çınar, Y Uyanıkgil, T Çavuşoğlu, G Peker, O Erbaş
Turhal Devlet Hastanesi, Tokat
Amaç: Çalışmamızın amacı, sıçanlarda cerrahi olarak geliştirilen sepsis indükte kritik hastalık polinöropatisindeki memantinin farklı dozdaki etkilerini, elektromiyografi (EMG) bulgularından birleşik kas aksiyon potansiyelleri (BKAP), distal latans gibi EMG bulguları ve plazma tümör nekrotizan faktör –? (TNF-?) ve malonedialdehit (MDA, plazma lipit peroksidaz göstergesi) seviyeleri eşliğinde incelemektir. Metod: Çalışma gruplarımız beş grup olarak belirledik, 24 sıçana çekal ligasyon ve delme işlemi uygulanarak sepsis geliştirildi. Gruplar; 1: normal, 2: sham grubu ( sadece periton açılıp kapatıldı), 3: tedavi verilmeyen sepsis grubu, 4: sepsis + 15 mg/kg memantin verilen, 5: sepsis+ 30 mg/kg memantin grubu olarak belirlendi. Tüm gruplara EMG yapılarak plazma MDA ve TNF-? seviyeleri ölçüldü. Bulgular: Plazma MDA ve TNF-? seviyeleri tüm çekal ligasyon ve delme işlemi uygulanan sıçanlarda istatistiksel olarak anlamlı derecede artmıştı, ek olarak tüm sepsis gruplarında distal latanslar istatistiksel olarak uzamış, BKAP amplitüdler küçülmüştü. Hem 15 mg/kg hem de 30 mg /kg dozlarında verilen memantin gruplarında plazma MDA ve TNF-? seviyeleri istatistiksel olarak anlamlı derecede azalmıştı, ayrıca bu gruplarda BKAP amplitüdler istatistiksel olarak artmış, distal latanslar kısalmıştı. Sonuç: Biz çalışmamızda memantinin sepsis indükte kritik hastalık polinöropatisindeki antioksidan ve nöroprotektif etkilerini plazma MDA ve TNF- ? seviyelerini azaltmak suretiyle olduğunu gözlemledik.
The evaluation of the therapeutic effect of memantine insepsis induced critical illness polyneuropathy
Objectives: The purpose of our study is to investigate the effects of the different dosage of memantine for the treatment of Critical Illness Polyneuropathy (CIP) in rats that have surgically induced sepsis, by using electromyography (EMG) signs, such as amplitude and duration of compound muscle action potentials (CMAP), distal latency, and by using levels of plasma tumor necrosis factor (TNF)-? and lipid peroxides (malondialdehyde, (MDA)). Methods: Rats were divided into five groups and cecal ligation and puncture (CLP) procedure was performed on 24 rats. Study groups were designed as follows: Group 1: normal (control, n=6); Group 2: sham-operated (n =6); Group 3: CLP (untreated group, n = 8); Group 5: CLP and 15 mg/kg memantin (n = 8); Group 6: CLP and 30 mg/kg memantin (n = 8). EMG was performed and plasma MDA and TNF-? levels were evaluated in all groups. Results: Our findings showed an increase at the plasma levels of TNF-? and MDA in cecal ligation and puncture group. Besides, we established a reduction in CMAP amplitude and prolongation of distal latency in CLP goup. Administration of 15 and 30 mg/kg Memantine significantly provided a decrease in TNF-? and MDA levels in CLP group. CMAP distal latency was reduced in all memantine-treated groups. Conclusion: We observed that memantine showed its antioxidant and neuroprotective effects by decreasing the plasma MDA and TNF- ? levels in CIP.

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