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Autoimmune aberration in sudden sensorineural hearing loss: association with anti-cardiolipin antibodies

Division of Clinical Immunology, Bnai Zion Medical Center

J. Ben-David

Division of Otolaryngology, Bnai Zion Medical Center, 47 Golomb Street, PO Box 4940, Haifa, IL-31048, Israel

A. Kessel

Division of Clinical Immunology, Bnai Zion Medical Center

L. Podoshin

Division of Otolaryngology, Bnai Zion Medical Center, 47 Golomb Street, PO Box 4940, Haifa, IL-31048, Israel

TD Golan

Division of Clinical Immunology, Bnai Zion Medical Center

In view of the presence of autoantibodies against inner ear antigens, the pathogenesis of sudden deafness (SD) and progressive sensorineural hearing loss (PSNHL) is suggested to be of an autoimmune nature. However, microthrombosis of the inner ear may result from pathogenic anti cardiolipin antibody (aCL) activity. We studied 30 patients (17 females and 13 males, age range 20-52 y), of whom 11 suffered from SD and 19 from PSNHL. All were clinically and serologically evaluated for association with autoimmune disorders (serological examination included: aCL, ANA, ENA, ANCA, proteinelectrophoresis, and complement levels). Twenty healthy matched subjects served as controls. None of the control group were aCL positive, whereas 8 out of 30 (27%) patients demonstrated low-moderate titers (P < 0.02), of whom 5 out of 8 suffered from SD. In addition, 2 aCL negative patients with PSNHL demonstrated hypergammaglubolinemia accompanied by hypocomplementemia, whereas none with SD had such abnormalities. Our data suggests that aCL is detected in patients with sudden sensorineural hearing loss and therefore may play an important role in the pathogenesis of this disability. If sustained by additional studies, these findings would warrant the consideration of anticoagulant therapy.

Key Words: sudden deafness • anti-cardiolipin antibodies

Lupus, Vol. 6, No. 6, 540-542 (1997)
DOI: 10.1177/096120339700600611


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