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Yıl:2014; Cilt: 7; Sayı: 3>> Özet
Türkiye Klinikleri Psikiyatri Özel Dergisi; 2014;7(3):79-85
İntihar Patofizyolojisinde Hormonların Rolü
İ Eren, S Özbek
 Konya Eğitim ve Araştırma Hastanesi, Konya
İntihar kişinin istemli olarak yaşamına son vermesidir. Önlenebilir yaralanma, engellilik ve ölüm nedenlerinden birisi olan intihar davranışı önemli bir halk sağlığı sorunudur. Dünyada her yıl 1 milyondan fazla kişi intihar nedeniyle hayatını kaybetmektedir. İntihar davranışı genetik, psikolojik, sosyolojik ve biyolojik faktörleri içine alan çok yönlü ve karmaşık bir süreçtir. Hormonlar vücutta fizyolojik fonksiyonları düzenlediği gibi beyin gelişimini ve işlevlerini de etkilemektedirler. Hormonların davranışsal etkinlikte rol oynaması ve duygudurum bozukluklarında hormonal değişikliklerin olması, intihar davranışında hormonların rolü olabileceğini düşündürmektedir. Psikiyatrik hastalıklarda intihar riskini öngörebilmek için hormonların biyolojik belirteç olarak kullanılabilirliğini araştıran çeşitli çalışmalar yapılmıştır. Hipotalamik pituiter adrenal eksen (HPA) aktivite artışını gösteren deksametazon supresyon testinde (DST) baskılanmamanın intihar davranışında biyolojik belirteç olabileceği öne sürülmüştür. Ayrıca tiroid hormonları, gonadal hormonlar, nöropeptidlerle intihar ilişkisi araştırılmıştır. Bu makalede, intihar patofizyolojisinde rolü olduğu düşünülen hormonlar gözden geçirilmiştir.
The Role of Hormones in the Pathophysiology of Suicide
Suicide is the act of deliberately killing oneself. Suicide behavior is one of the preventable causes of injury, disability and mortality and is an important public health problem. Every year, more than 1 million people die from suicide in the world. Suicide behavior is a multidimensional and complex process including genetic, psychological, sociological and biological factors. Hormones do not only regulate physiologic functions of the body but affect brain development and functions as well. Since hormones play significant role in behavioral events and hormonal changes are seen at mood disorders; it is thought that hormones may have role in suicide behaviors. Various studies have been conducted in order to investigate the roles of hormones as biological markers predicting the suicide risk. It has been thought that non-suppression of dexamethasone suppression test (DST) shows that activity increase of hypothalamic pituitary adrenal axis (HPA) can be a biomarker for suicide behavior. Also the relationship of suicide with thyroid hormones, gonadal hormones and neuropeptides has been observed. In this article, hormones that are implicated to have role in suicide pathophysiology have been reviewed.

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