title: [Laser doppler interferometry, a new clinical instrument?].
abstract: BACKGROUND
  In a prospective trial, the diagnostic value of laser Doppler interferometry (LDI) was analysed in the clinical sphere.
  
  
  METHODS
  LDI was compared with standard audiometry for preoperative differential diagnosis of a conductive hearing loss. The intraoperative diagnosis was considered the gold standard.
  
  
  RESULTS
  LDI was applicable in the clinical sphere and allowed, in contrast to standard audiological methods, a statistically highly significant differentiation of middle ear pathologies.
  
  
  CONCLUSIONS
  LDI is a valuable addition to standard audiology for preoperative evaluation of the integrity and mobility of the ossicular chain.
authors.affiliation: Klinik und Poliklinik für Otorhinolaryngologie, Hals- und Gesichtschirurgie, Universitätsspital Zürich. Alex.Huber@ORL.USZ.ch
authors.forename: A
authors.initials: A
authors.lastname: Huber
authors.forename: M
authors.initials: M
authors.lastname: Ferrazzini
authors.forename: U
authors.initials: U
authors.lastname: Willi
mesh_terms: D001299:Audiometry / Q000379:methods*; D003937:Diagnosis, Differential; D006314:Hearing Loss, Conductive / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007368:Interferometry; D012016:Reference Values; D015203:Reproducibility of Results; D018608:Ultrasonography, Doppler