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Yıl:2003; Cilt: 10; Sayı: 1>> Özet
TAM METİN
Çocuk ve Gençlik Ruh Sağlığı Dergisi; 2003;10(1):17-21
Bir Grup Otistik Çocukta Plazma ve Saç Bakır Düzeyleri
Ö Yorbık, A Cöngöloğlu, B Dilaver, A Cansever, C Akay, A Sayal, T Söhmen
GATA Çocuk Ruh Sağlığı ve Hastalıkları Anahilim Dalı, Ankara
Amaç: Metabolik süreçlerde önemli işlevi olan bakır, organizmada birikimi ile toksik etkiler oluştur­maktadır. Bazı araştırmalarda merkezi sinir sistemine toksik etkisi olan bakırın otistik bireylerde kontrol grubuna göre daha yüksek saç ve serum düzeyleri olduğu bulunmuştur. Bu araştırmanın amacı pika olmayan otistik ve sağlıklı çocuklarda saç ve serum bakır düzeylerini araştırmaktır. Yön­tem: Yaş ortalaması 6.4 ± 2.2 olan 45 otistik çocukta (39 erkek, 6 kız) ve yaş ortalaması 6.7 ± 2.5 olan 41 sağlıklı çocukta (35 erkek, 6 kız) plazma bakır düzeyleri atomik absorbsiyon spektrofotomet-risi yöntemi ile ölçüldü. Bu ömeklem grubundan alman saç örneklerinin miktarının yetersizliği do­layısıyla 15 otistik çocuk ve 17 sağlıklı çocukta saç bakır düzeyleri araştırılamadı. Oksipital bölgeden alınmış yeterli saç örneği olan 30 otistik ve 24 sağlıklı çocuğun saç bakır düzeyleri alevli spektrofo-tometriyöntemi ile ölçüldü. Bulgular: Otistik çocukların plazma bakır düzeylerinin sağlıklı çocuklar­dan istatistiksel olarak anlamlı düzeyde yüksek olduğu tespit edildi. Saç bakır düzeylerinde ise iki grup arasında önemli bir farklılığın olmadığı saptandı. Tartışma:Otistik çocuklarda artmış plazma bakır düzeylerinin etyopatogenezdeki önemi bilinmemektedir.
Serum and Hair Copper Levels in a Group of Autistic Children
Objective: Copper ion which has important functions in metabolic processes may also cause toxic effects due to its accumulation in the organism. In some studies, hair and serum copper levels which has toxic effects on central nervous system have been measured higher in autistic children than healthy subjects. This study's aim is to search the serum and hair copper levels in autistic and healthy children, both of them without pica. Method: Serum copper levels have been measured in 45 autistic children (39 boys, 6 girls) having a mean age of 6.4 ± 2.2 and in 41 healthy children (35 boys, 6 girls) having a mean age of 6.7 ± 2.5, with atomic absorbtion spectrophotometry method. Hair copper levels were also measued in these two groups, but in 15 autistic and 17 healthy children hair copper levels have not been measured because of insufficiency of hair specimens. Hair copper levels were measured with flamed spectrophotometry in the specimens picked up from the occipital areas of 30 autistic and 24 healthy children. Results: Serum copper levels of autistic children were significantly higher than healthy children. Any significant difference for hair copper measurements was not found between the two groups. Conclusion: The importance of the increase of serum copper levels of autistic children for the etiopathogenesis have not been exposed yet.

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