Bulgular: Otuz beş hasta (%61) PSA kortikal dal enfaktüsü geçirirken, 22 hastada (%39) kortikal ve derin PSA besleme alanında enfarkt saptandı. Etyolojiye bakıldığında her iki grupta da kardioembolizmin (n=27, %47) daha sık olduğu saptandı. Bunu sırayla entrensek PSA hastalığı (n=12, %21), proksimal arter hastalığı (n=10, %17), kriptojenik emboli (n=8, %15) izledi. İnme başlangıcında hastaların %52 baş ağrısı gösterdi. Hastaların %78'inde görme alanı bozuklukları, %54'ünde motor semptomlar, %24'ünde duysal semptomlar mevcuttu.Sonuç: PSA kortikal ve derin sulama alanındaki enfarktlarda kardiyojenik emboli ve entrensek PSA hastalığının daha sık olduğu düşünüldü. PSA kortikal dal enfarktı olanlar ile derin ve kortikal dal enfarktı olanlar arasında etyoloji ve risk faktörleri açısından anlamlı istatistiksel değişiklik saptanmadı. (Türk Nöroloji Dergisi 2015; 21:49-54) Anah tar Ke li me ler: Posterior serebral arter, akut serebral enfarktüs, etyoloji Objective: The objective of our study was to investigate the association between the infarcts in the cortical and deep posterior cerebral artery (PCA) perfusion area and the mechanisms of stroke, their clinical features and risk factors. Materials and Methods:Fifty seven patients who suffered strokes first time and have infarcts in the PCA perfusion area and admitted to our Neurology Clinics between January 2002 and August 2007 were included in this study. Subjects were divided in two groups as cortical branch infarct group and deep (thalamus) + cortical branch group. Patients were evaluated in four etiologic clusters; 1. Occlusion in the posterior cerebral artery or its branches. 2. Occlusion proximal to the posterior cerebral artery. 3. Cardio-embolic reasons. 4. Cryptogenic embolism group. All patients had cranial CT, MRI, neck Doppler USG, MRA or DSA, transesophageal or trans-thoracic echocardiography, hematologic and vasculytic investigations. Risk factors in all patients were recorded.
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