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  • Title: Chronic perilymph fistula in the guinea pig with implications in the human.
    Author: Parnes LS, Campbell KC.
    Journal: Ann Otol Rhinol Laryngol; 1992 Feb; 101(2 Pt 1):176-82. PubMed ID: 1739265.
    Abstract:
    To improve understanding of the pathophysiology of perilymph fistulas, a predictable animal model of a chronic fistula was developed. Our findings suggest that guinea pig fistulas do not remain patent for prolonged periods. By extrapolating these findings to humans, we postulate that the symptoms and signs of perilymph fistula are possibly due not to one prolonged constant fistula, but rather a series of "blowouts" from an inherent congenital or posttraumatic weak spot in either the round or oval window. We feel that a diagnosis of perilymph fistula must be considered in any patient presenting with a Meniere's-like symptom set concomitant with a congenital inner ear deformity or a history of inner ear trauma.
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