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Yıl:2004; Cilt: 15; Sayı: 4>> Özet
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Türk Psikiyatri Dergisi; 2004;15(4):276-281
Karşı Olma Karşı Gelme Bozukluğunda Plazma Çinko ve Bakır Düzeyleri
Ö Yorbık, A Olgun, P Kırmızıgül, Ş Akman
Amaç: Karşı olma karşı gelme bozukluğu (KO-KGB), en az altı ay süreyle, işlevselliğin üç alanından birinde (akademik, mesleki, ya da sosyal) bozukluk oluşturan olumsuz, düşmanca tutumlar ve karşı gelme davranışı ile belirlenen bir psikiyatrik bozukluktur. İnsan ve hayvan çalışmalarında çinko ve bakırın düzeylerindeki değişikliklerin davranış sorunlarına neden olabildiği gösterilmiştir. Bu araştırmanın amacı karşı olma karşı gelme bozukluğu (KO-KGB) olan ve sağlıklı çocuklarda plazma çinko ve bakır düzeylerini karşılaştırmaktır.

Yöntem: Yaş ortalaması 8.6±2.0 yıl olan 21 KO-KGB olan erkek çocukta ve yaş ortalaması 8.3±2.1 yıl olan 24 sağlıklı erkek çocukta plazma çinko ve bakır düzeyleri atomik absorbsiyon spektrofotometrisi yöntemi ile ölçüldü. KO-KGB tanısı Mental Bozuklukların Tanısal ve Sayımsal Elkitabı’na (DSM-IV) göre yapıldı. KO-KGB olan çocukların % 61’inde dikkat eksikliği hiperaktivite bozukluğu ek tanısı vardı.

Bulgular: KO-KGB olan çocukların plazma çinko düzeyleri, kontrollerde anlamlı düzeyde düşük olarak bulundu (p<.05). Plazma bakır düzeyleri bakımından iki grup arasında önemli bir farklılığın olmadığı saptandı (p>.05).

Sonuç: Bu çalışmanın bulguları KO-KGB’de plazma bakır düzeylerinin normallerden farklı olmadığını göstermektedir. KO-KGB’de çinko düzeyi kontrol grubundan düşük olmasına karşın, çinko düzeyleri ortalaması populasyondaki normal sınırlar içindedir. KO-KGB’de, çinko ve bakır metabolizmasını araştıran ileri çalışmalara ihtiyaç vardır.

Plasma Zinc and Copper Levels in Boys with Oppositional Defiant Disorder
Objective: Oppositional defiant disorder consists of negativistic, hostile, or defiant behavior, created in one of three domains of functioning (academic, occupational, or social), and lasting at least six [month]s. Alterations in zinc and copper levels of plasma in animals and humans are associated with behavioral and cognitive abnormalities. The aim of this study is to compare plasma zinc and copper levels between children with oppositional defiant disorder (ODD) and controls.

Method: Plasma zinc and copper levels were measured in 21 boys with ODD having a mean age of 8.6 ± 2.0 [year]s and in 24 healthy boys having a mean age of 8.3 ± 2.1 [year]s by atomic absorption spectrophotometry. An ODD diagnosis was made according to the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). About 61% of the children with ODD had comorbid attention deficit hyperactivity disorder.

Results: Plasma zinc was significantly lower in ODD children compared to the controls (p<.05). No significant difference in plasma copper measurements was found between the two groups (p>.05).

Conclusion: The results of the present study suggested that the plasma copper level in boys with ODD did not differ from that in normal subjects. Although ODD children had a lower plasma zinc level than normal subjects, the mean plasma zinc level was within the normal range for the population. Further studies investigating the Zn and Cu metabolism in ODD are needed.

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