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Yıl:2012; Cilt: 49; Sayı: 1>> Özet
TAM METİN
Nöropsikiyatri Arşivi; 2012;49(1):53-58
İskemik İnmede Karotis İntima Media Kalınlığı ve Homosistein Arasındaki İlişki
O Delikan, BP Balcı, F Özer, G Akdağ
Çorum Devlet Hastanesi, Nöroloji Bölümü, Çorum, Türkiye
Amaç: İskemik inmelerin büyük çoğunluğu aterosklerotik nedenlidir. Mekanizması tam olarak bilinmemekle beraber, yüksek homosistein (HM) değerlerinin aterosklerozda rol aldığı kabul edilmektedir. Bu çalışmada, iskemik inme hastalarında; HM düzeyi ve aterosklerozun erken belirteçlerinden karotis intima media kalınlığı (KİMK) arasındaki ilişki araştırıldı.
Yön­tem­ler: Akut iskemik serebrovasküler hastalık tanılı 81 hasta ve kontrol grubu olarak 41 sağlıklı gönüllü, prospektif olarak değerlendirildi. Hastaların kranial görüntülemeleri ve nörolojik muayeneleri yapıldı. Grupların demografik verileri kaydedildi. HT, DM, kalp hastalıkları vb. risk faktörleri değerlendirildi. KİMK doppler ile ölçüldü ve HM, B12 vitamini, folat düzeyleri kaydedildi.
Bul­gu­lar: Gruplar arasında DM varlığı açısından anlamlı fark saptanmadı. HT hastalarda kontrol grubuna göre istatistiksel olarak anlamlı derecede yüksek bulundu (p<0,001). Her iki grupta da; homosistein ile lipit profili arasında herhangi bir ilişki saptanmadı. Benzer şekilde KIMK ile lipit profili arasında herhangi bir ilişki saptanmadı. Folat ve B12 vitamini ile HM arasında negatif korelasyon saptandı. KİMK hastalarda kontrollere göre istatistiksel olarak anlamlı yüksek (p<0,001) idi. B12 düşüklüğü hastalarda istatistiksel anlamlılık gösterecek şekilde fazla idi (p<0,05).
So­nuç: Çalışmamızda iskemik inmeli hastalarda; KİMK ile HM düzeyleri arasında istatistiksel anlamlı bir ilişki bulamadık. Ancak yüksek HM değerlerinin aterosklerotik vasküler hastalıklara neden olduğu bilindiğinden HM yüksek kişilerde B12 vitamini replasmanı, iskemik inme önlenmesinde katkı sağlayabilir.
The Relationship Between Carotid Intima-media Thickness and Homosystein in Ischemic Stroke
Objective: The vast majority of ischemic strokes occur due to atherosclerosis. Although the precise mechanism is unknown, high homocysteine (HM) levels are considered to play a role in the development of atherosclerosis. In this study, the relationship between high HM and carotid intima-media thickness (CIMT), as an early predictor of atherosclerosis, is evaluated in patients with ischemic stroke.
Met­hods: Eighty-one patients diagnosed with acute ischemic cerebrovascular disease and control group of 41 healthy volunteers were evaluated prospectively. The patients underwent cranial imaging, and neurological examinations were performed. The demographic characteristics of the groups were recorded. In addition, risk factors for ischemic stroke, such as hypertension (HT), diabetes mellitus (DM) and cardiac disease were evaluated. CIMT was measured using Doppler ultrasound, and HM vitamin B12, and folate levels were recorded.
Re­sults: There was no significant difference between the groups for the presence of DM. In patients group, HT was statistically more frequent than in control group (p <0.001). In both groups, there was no relationship between HM levels and lipid profile. Similarly, there was no relationship between lipid profile and CIMT. HM was negatively correlated with folate and vitamin B12. CIMK was statistically higher in patients than in controls (p<0.001). Vitamin B12 deficiency was statistically higher in patients group (p<0.05).
Conc­lu­si­on: In our study, we did not find statistically significant relationship between CIMT and HM levels in ischemic stroke patients. However, according to previous literature, high HM levels are known to cause atherosclerotic vascular disease. Therefore, vitamin B12 replacement in people with high HM levels can contribute to the prevention of ischemic stroke.

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