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Yıl:2014; Cilt: 51; Sayı: 4>> Özet
TAM METİN
Nöropsikiyatri Arşivi; 2014;51(4):376-382
Deliryum Patofizyolojisinde CRP, TNF-α ve IGF-1’in Rolü
MA Çınar, A Balıkçı, E Sertoğlu, M Ak, MA Serdar, KN Özmenler
TSK Rehabilitasyon ve Bakım Merkezi Başkanlığı, Ankara, Türkiye
Giriş: Deliryum yaygın ve hayatı tehdit eden nöropsikiyatrik bir sendromdur. Deliryum tanısının konulmasında yaşanan sorunlar morbidite ve mortalite oranlarıyla birlikte hasta bakım maliyetlerini de artırmaktadır. Deliryumun biyolojik modelinin açıklıkla ortaya konamamış olmasına rağmen eldeki kanıtlar kolinerjik eksiklik modelini desteklemektedir. Deliryum kan beyin bariyerini geçen ilaçların ve bazı süreçlerin bir yansıması olabilir. Bu çalışmada deliryumda kolinerjik eksiklik modeli esas alınarak C-reaktif protein (CRP), tümör nekroz faktör-alfa (TNF-?) ve insulin benzeri büyüme hormonu-1’in (IGF-1) deliryum etiyolojisindeki rollerinin ve söz konusu belirteçlerin tanısal kullanım olasılıklarının belirlenmesi amaçlanmıştır. Yöntem: Çalışmaya kardiyovasküler cerrahi planlanan 93 hasta alınmış, 35 hasta çalışmayı tamamlamıştır. Katılımcıların ameliyat öncesinde tıbbi durumları hakkında bilgi toplanmış, mini mental test ve saat çizme testi kullanılarak kognitif durumları değerlendirilmiş ve kan örnekleri alınmıştır. Hastaların ameliyat sonrası kan örnekleri yeniden alınmış ve deliryum semptomları Deliryum Derecelendirme Ölçeği-Revize 98 - Türkçe (DRS-R98-T) kullanılarak izlenmiştir. Bulgular: Ameliyat öncesinde kognitif yetersizlik saptanan hastalarda deliryum daha yüksek oranda gelişmiştir. Deliryum gelişen hasta grubunda IGF-1 düzeyleri kontrol grubuna göre daha düşük bulunmuştur. Ameliyat öncesi CRP ve TNF-? düzeyleri bakımından gruplar arası farklılık saptanmamıştır. Sonuç: Düşük IGF-1 düzeyleri deliryum gelişmesini öngörmede kullanılabilecek bir belirteç olabilir. Ancak, sitokin yanıtının ve deliryum tablosunun karmaşık doğası nedeniyle serum belirteçlerinin, kognitif durumu gösteren psikometrik araçlar yerine kullanılmasının henüz erken olduğu düşünülmektedir.
Role of CRP, TNF-a, and IGF-1 in Delirium Pathophysiology
Introduction: Delirium is a common and life-threatening neuropsychiatric syndrome. Diagnosing delirium can be challenging, which increases mortality and mortality rates and health care costs. The biologic model of delirium is not definite yet, but evidence supports a cholinergic deficiency model. Delirium may be the result of processes and drugs that trespass a compromised blood-brain barrier. We aimed to evaluate the possible diagnostic utilization and the role of certain biomarkers, such as C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-?), and insulin like growth factor-1 (IGF- 1), in delirium etiology. Methods: A total of 93 inpatients that planned to undergo cardiovascular surgery were informed; 35 of them completed the study. Medical history and current cognitive status were evaluated pre-operatively. Participants were followed using Delirium Rating Scale-Revised-98 Turkish (DRS-R98-T) for delirium symptoms, and blood samples were collected post-operatively. Results: Delirium was developed more in participants who had worse pre-operative cognitive status. Also, low pre-operative IGF-1 levels were detected in the delirium group. Pre-operative CRP and TNF-? levels were not different between groups. Conclusion: Low IGF-1 levels can be used to predict delirium after surgery. However, the complex nature of cytokines and delirium itself make it difficult to utilize cytokines to predict delirium instead of psychometric tools.

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