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Yıl:2019; Cilt: 56; Sayı: 3>> Özet
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Nöropsikiyatri Arşivi; 2019;56(3):167-172
DEHB birlikteliği gösteren ve göstermeyen sentetik kannabinoid kullanıcılarında kortikal kalınlık ve subkortikal hacimlerin kontrollerle karşılaştırılması
Ç Çolak, ZÇ Çelik, N Zorlu, Ö Kitiş,Z Yüncü
Atatürk Education and Research Hospital, İzmir, Turkey
Giriş: Başta ergenler arasında olmak üzere, son yıllarda sentetik kannabinoid (SK) kullanımı giderek artmaktadır. Dikkat eksikliği ve hiperaktivite bozukluğunun (DEHB) madde kullanım bozukluğu olanlarda genel popülasyondan daha sık görüldüğü dikkate alınarak, bu çalışmada DEHB eştanısı olan ve olmayan SK kullanıcılarının kortikal kalınlık, yüzey alanı ve subkortikal hacimlerinin kontroller ile karşılaştırılması amaçlanmıştır. Yöntem: 28 SK kullanıcısı (13 DEHB eş tanısı olan ve 15 olmayan) ile 13 kontrolün yapısal beyin görüntüleri karşılaştırılmıştır. Sonuçlar: DEHB eştanısı olan ve olmayan SK kullanıcılarının sol kaudal frontal ve sol superior frontal korteks de kontrollere göre daha düşük kortikal kalınlık gösterdikleri saptanmıştır. DEHB eş tanısı olan grup kontrollerle karşılaştırıldığında sağ pre-, post-santral gyrus’larda kortikal kalınlık azalması göstermiştir. Ayrıca, DEHB eş tanısı olmayan grupta da nükleus akumbens hacminde artış saptanmıştır. Tartışma: Sonuçlarımız SK kullanımının beyin morfolojisi üzerine olumsuz etkileri olduğunu ve ayrıca DEHB eştanısı olan madde kullanım bozukluğu hastalarının eştanısı olmayanlara göre farklı beyin morfolojik özellikleri gösterebileceğini düşündürtmektedir.
Cortical thickness and subcortical volume in adolescent synthetic cannabinoid users with or without ADHD: a preliminary study
Introduction: Synthetic cannabinoids (SCs) have become increasingly popular in the last few years, especially among adolescents. Given Attention deficit/hyperactivity disorder (ADHD) is over represented in patients with substance use across adolescents compared to the general population, the current study aims were two-fold: i) examine cortical thickness, surface area and subcortical volumes in SC users compared to controls, ii) examine the influence of ADHD on cortical thickness, surface area and subcortical volumes in SC users. Methods: Structural magnetic resonance imaging scans were acquired from 28 SC users (15 without ADHD and 13 with ADHD combined type) and 13 controls. Results: We found that SC users both with and without ADHD groups have significantly reduced cortical thickness compared to controls in areas of the left caudal middle frontal and left superior frontal. In addition, SC users with ADHD also showed reduced cortical thickness in the right precentral and postcentral gyruses. We also found increased right nucleus accumbens volume in SC users without ADHD, but not with ADHD, compared to controls. Conclusion: These results suggest that similar to cannabis use, SC use has also negative effects on brain morphology and comorbidity of ADHD and substance dependence may show different cortical thickness and subcortical volume alterations than substance use alone

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