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  • Title: Kearns Sayre syndrome: a rare etiology of complete atrioventricular block in children (case report).
    Author: Kharbouch H, Boussaadani B, Fellat I, Oukerraj L, Doghmi N, Cherti M.
    Journal: Pan Afr Med J; 2021; 40():154. PubMed ID: 34970396.
    Abstract:
    Kearns Sayre syndrome is a rare mitochondrial abnormality first described in 1958, characterized by a triad associating progressive external ophthalmoplegia, ptosis, and pigmentary retinopathy with progressive alteration of cardiac conduction, which determines the vital prognosis of this entity. Here we report the case of a 13-year-old child of consanguineous parents who consults for recurrent syncope. The clinical exam found bilateral ptosis with complete atrioventricular block on electrocardiogram. The ophthalmological exam found pigmentary retinopathy. The patient underwent successful implantation of a double chamber pacemaker within 24 hours of admission, with an uneventful postoperative course. This case report highlights the interest of systematically assessing cardiac complications in children with mitochondrial disease such as Kearns Sayre syndrome, especially since cardiac involvement is the major prognostic factor in this disease.
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