Dergi Ara >>
Yıl:2010; Cilt: 3; Sayı: 3>> Özet
Türkiye Klinikleri Psikiyatri Özel Dergisi; 2010;3(3):48-53
Alkol Bağımlılığında Biyomedikal Görüşler, Genetik, Görüntüleme, Marker Belirleme Çalışmaları
A Dalmış, N Koçuk, Y Akvardar
Manisa Ruh Sağlığı ve Hastalıkları Hastanesi, Manisa
Alkol bağımlılığı birçok genin etkilediği (poligenik), farklı özellikleri yansıtan, genlerin ve çevrenin neden olduğu (multifaktöriyel) bir bozukluk olarak görülebilir. Alkolün beyin üzerindeki olumsuz etkileri genel olarak beyaz ve gri maddede hacim kaybı, ventriküllerde genişleme şeklinde kendini gösterir. Etanolün belleği bozucu etkileri düşünüldüğünde hipokampus araştırmalarda ön plana çıkmaktadır. Alkol kullanım bozukluklarının tanısında yardımcı araçlar olarak biyokimyasal belirleyiciler, durum belirleyicileri (state markers) ve yatkınlık belirleyicileri (trait markers) olarak ikiye ayrılırlar. Son 30 yılda yapılan çalışmalarla alkolün etkileri, alkol kullanım bozuklukları etyolojisi, tanı ve tedavisinde önemli gelişmeler kaydedilmiştir.
Biomedical Approach to Alcohol Dependence; Studies on Genetics, Imaging, Marker Identification
Alcohol dependence might be best viewed as a disorder influenced by multiple genes (polygenic), reflecting multiple characteristics and whose causes include both genes and environment (multifactorial). The negative effects of alcohol on brain includes white and gray matter volume loss and ventricules enlargement. Since ethanol impairs memory, hippocampus is the mostly studied area in the studies. Biochemical markers which help diagnosing alcohol use disorders are separated as state markers and trait markers. In the last three decades many important growth in understanding of the effects of alcohol exposure, the etiology, diagnosis and treatment of alcohol use disorders.

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