Horner sendromu sempatik impulslarin hipotalamustan göze dek herhangi bir lokalizasyonda devamliliginin bozulmasi sonucu ortaya çikan okülosempatik parezi durumudur. Sempatik lifler dilatatör pupilla kasini, superior tarsal, inferior tarsal ve orbital düz kaslari, ayrica yüzün o tarafindaki ter bezlerini ve damarlari innerve eder. Tek tarafli Horner sendromunda ayni taraf gözde hafif-orta siddette pitozis, miyozis, tutulan liflere bagli olmak üzere yüzde anhidroz ve enoftalmus görülür. Horner sendromu kazanilmis veya konjenital olarak ortaya çikabilir. Beyin sapi, servikal spinal kord veya karotid arterin komsulugunda bulunan sempatik pleksustaki sempatik sinir sistemini tutan vasküler, demiyelinizan, tümöral ve irritatif herhangi bir lezyon Horner sendromuna neden olabilir. Eriskinlerde akut iskemik inme nedenli beyin sapi zedelenmeleri Horner sendromunun en sik sebepleri iken, çocukluk yas grubunda periferik nedenli Horner sendromlari daha sik görülmektedir. Bu yazida ventriküler septal defekt, pulmoner atrezi, konfluen hipoplazik pulmoner arterler, patent duktus arteriozus ve major aortopulmoner kollateral arter nedeniyle sol Blalock-Taussig santi uygulanmasindan sonra ortaya çikan Horner sendromlu bir sütçocugu sunulmus ve bu olgu nedeniyle Horner sendromunun tani ve ayirici tanisi vurgulanmak istenmistir.
Blalock-Taussig Santi Sonrasinda Gelisen Bir Horner Sendromu - POSTER: 65
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Blalock-Taussig Santi Sonrasinda Gelisen Bir Horner Sendromu - POSTER: 65
J Curr Pediatr 2005;3(1)
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- 1Dokuz Eylül Üniversitesi Tip Fakültesi Çocuk Sagligi Ve Hastaliklari, Anabilim Dali, Çocuk Nörolojisi Ve Çocuk Kardiyolojisi Bilim Dallari, Izmir
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