Antiphospholipid antibodies in patients with sensorineural hearing loss.
Sensorineural hearing loss can be associated with autoimmune diseases and the presence of antiphospholipid antibodies. Sixty patients (mean age 47 years, range 18-76 years) with sudden sensorineural hearing loss were studied with audiograms, stapedial thresholds, otoacoustic emissions, positional and caloric testing. The serologic testing included antibodies against phosphatidylserine and beta(2)-glycoprotein. Additionally, a group of 34 patients (mean age 65 years, range 31-81 years) with normal tension glaucoma was examined because in a previous study these patients were reported to have elevated concentrations of antiphospholipid antibodies with a coincidence of progressive sensorineural hearing loss. The baseline for antiphospholipid antibody levels was established in a control group of 40 healthy blood donors. In 12 of the 60 patients with sudden sensorineural hearing loss, levels of antiphospholipid antibodies were elevated. Antiphosphatidylserine IgM antibodies were significantly lower compared to controls and patients with the combination of hearing loss and normal tension glaucoma (Fisher's exact two-sided test, P < 0.01). Our data suggest that antibodies against beta2-glycoprotein seem to coincidence with an acute event, such as sudden sensorineural hearing loss, whereas antibodies against phosphatidylserine IgG are detectable in the prolonged sequel, such as in patients with progressive sensorineural hearing loss and normal tension glaucoma.
Bachor
Edgar
E
Department of Otorhinolaryngology, University Hospital Essen, Germany. edgar.bachor@klinikum-badsalzungen.de
Kremmer
Stephan
S
Kreuzfelder
Ernst
E
Jahnke
Klaus
K
Seidahmadi
Said
S
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D017152:Antibodies, Antiphospholipid / Q000097:blood*; D016022:Case-Control Studies; D005260:Female; D005901:Glaucoma / Q000097:blood* / Q000150:complications; D006023:Glycoproteins / Q000097:blood; D006319:Hearing Loss, Sensorineural / Q000097:blood* / Q000150:complications; D003639:Hearing Loss, Sudden / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010718:Phosphatidylserines / Q000276:immunology*; D053482:beta 2-Glycoprotein I
D017152:Antibodies, Antiphospholipid; D006023:Glycoproteins; D010718:Phosphatidylserines; D053482:beta 2-Glycoprotein I
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