title: [Cochlear hearing loss following Mycoplasma pneumoniae infection].
abstract: BACKGROUND
  A sudden unilateral hearing loss in childhood is commonly regarded as an unusual event.
  
  
  METHODS
  In this paper, we report of a 10 year old girl suffering from a unilateral right-sided sudden hearing loss following an acute infection with Mycoplasma pneumoniae, which is also rarely observed. Maximum hearing loss was estimated around 30 dB (0.25-6 kHz), which resolved after infusions using plasma expanders. Both transitory and distortion product otoacoustic emissions remained absent, while latencies of acoustically evoked potentials were normal.
  
  
  CONCLUSIONS
  This suggests a damage of outer hair cell function as an explanation for the observed hearing loss. The coincidence of two rare events for children such as a spontaneous sudden unilateral hearing loss combined with an infection with Mycoplasma pneumoniae gives rise to the hypothesis of a causal relationship that is discussed according to the literature.
authors.affiliation: Universitäts-HNO-Klinik Essen.
authors.forename: B
authors.initials: B
authors.lastname: Schönweiler
authors.forename: M
authors.initials: M
authors.lastname: Held
authors.forename: R
authors.initials: R
authors.lastname: Schönweiler
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D000779:Anesthetics, Local / Q000008:administration & dosage; D000907:Antibodies, Bacterial / Q000032:analysis; D001299:Audiometry; D001769:Blood / Q000382:microbiology; D001844:Bone Conduction; D002648:Child; D003051:Cochlea / Q000503:physiopathology; D005072:Evoked Potentials, Auditory; D005260:Female; D018072:Hair Cells, Auditory, Outer / Q000503:physiopathology; D003639:Hearing Loss, Sudden / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D007075:Immunoglobulin M / Q000097:blood; D009177:Mycoplasma pneumoniae / Q000276:immunology / Q000302:isolation & purification; D010952:Plasma Substitutes / Q000008:administration & dosage; D011019:Pneumonia, Mycoplasma / Q000150:complications*; D011343:Procaine / Q000008:administration & dosage; D013997:Time Factors
chemical_list: D000779:Anesthetics, Local; D000907:Antibodies, Bacterial; D007075:Immunoglobulin M; D010952:Plasma Substitutes; D011343:Procaine