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Yıl:2017; Cilt: 54; Sayı: 1>> Özet
TAM METİN
Nöropsikiyatri Arşivi; 2017;54(1):78-81
Klinik Nörolojik Belirtileri Olmayan Sistemik Lupus Eritematozus Hastalarında Beyin Sapı Refleksleri
C Salcini, B Baştan, G Sunter, PK Koytak, O Yılmaz, T Tanrıdağ, Ö Us, K Uluç
Marmara Üniversitesi, İstanbul
Amaç: Bu çalışmadaki amacımız nörolojik belirtileri ve bulguları olmayan sistemik lupus eritematozus (SLE) hastalarında elektrofizyolojik incelemeler yaparak santral ve periferik sinir sistemi tutulumunu incelemektir. Yöntem: Bu çalışmaya 38 SLE hastası ve 35 sağlıklı gönüllü katılmıştır. Sinir iletim çalışmaları (SİÇ), göz kırpma refleksi (GKR) ve maseter inhibitor refleksi (MİR) kayıtlamaları uygulanarak periferik sinir iletimleri ve beyin sapı refleksleri değerlendirilmiştir. Bulgular: On bir (%29) hastanın her birinde en az bir SİÇ parametresinde anormallik saptanmış ve bir hasta (%2,6) polinöropati tanısı almıştır. Yirmiüç (%60,5) hastada GKR ve 14 (%37) hastada MİR anormalliği saptanmıştır. Kontrol grubu ile kıyaslandığında GKR’de kontrolateral R2 latansı ve MİR’deki sessiz period 1 (SP1) latansının anlamlı olarak uzamış olduğu görülmüştür (p=0,015 ve p<0.001, sırasıyla) Sonuç: Bu çalışma SLE hastalarında klinik nörolojik bulgular olmadan, periferik sinir sistemi tutulumuna bakmaksızın beyin sapı reflekslerinin etkilenmiş olabileceğini göstermektedir. SLE hastalarındaki beyin sapı refleks anormallikleri lateral kaudal ponsta ve lateral medulladaki inhibitor veya eksitatör aranöronların fonksiyonel bütünlüğünün bozulmuş olabileceğini düşündürmektedir.
Brainstem Reflexes in Systemic Lupus Erythematosus Patients Without Clinical Neurological Manifestations
Introduction: We aimed to assess central and peripheral nervous system involvement in systemic lupus erythematosus (SLE) patients without any neurological signs and symptoms by performing electrophysiological investigations. Methods: Thirty-eight SLE patients and 35 healthy volunteers participated in this study. Peripheral nerve conduction and brainstem reflexes were evaluated by performing nerve conduction studies (NCSs) and blink reflex (BR) and masseter inhibitory reflex (MIR) recordings. Results: Eleven patients (29%) had an abnormality in at least 1 NCS parameter, and 1 (2.6%) patient was diagnosed with polyneuropathy. The number of patients with abnormal BR and MIR was 23 (60.5%) and 14 (37%), respectively. The contralateral R2 latency of BR and the silent period 1 (SP1) latency of MIR were significantly prolonged in the patients compared with the controls (p=0.015 and p<0.001, respectively). Conclusion: This study showed that irrespective of peripheral nervous system involvement, brainstem reflexes could be affected in SLE patients even without clinical neurological findings. Brainstem reflex abnormalities suggested that the functional integrity of the inhibitory or excitatory interneurons in the lateral caudal pons and lateral medulla is disturbed in SLE patients.

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