PMID: 2117716Jul 1, 1990Paper

The prognostic value of round window electrical stimulation in cochlear implant patients

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
S B WaltzmanR A Hoffman

Abstract

The use of preoperative round window stimulation has been advocated for its possible predictive value in cochlear implant patients. We have attempted to correlate cause of deafness, preoperative radiologic study, and postoperative stimulability and performance with preoperative stimulation. Round window stimulation procedures consisted of measurements of electrical thresholds and comfort levels, gap detection, and temporal difference limen. Radiologic studies were performed using high-resolution computerized semi-axial and coronal tomography with 1.5-millimeter overlapping cuts. Patient performance was measured using a standard audiologic test battery. Sixteen postlingually, profoundly deaf adults who received the Nucleus multichannel cochlear implant were studied. All 16 patients who responded to preoperative stimulation had acceptable CT scans for the ear operated on and stimulated postoperatively with the prosthesis. The lowest level at which a patient could reliably detect a gap between two signals ranged from 10 to 150 milliseconds, which was not predictive. For the temporal difference limen task, the patients who could reliably identify the longer of two pulses when the difference was less than 100 milliseconds did achiev...Continue Reading

References

Jan 1, 1983·The Annals of Otology, Rhinology, and Laryngology·L Smith, F B Simmons

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Citations

Apr 17, 1999·Audiology : Official Organ of the International Society of Audiology·J E van DijkG F Smoorenburg
Nov 4, 1998·Clinical Otolaryngology and Allied Sciences·M J MakhdoumP van den Broek
Oct 27, 2015·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Frederike HassepassThomas Wesarg
Apr 1, 1993·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·S B WaltzmanW H Shapiro
Jul 10, 2003·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·David R FriedlandJohn K Niparko
Sep 16, 2008·Cochlear Implants International·Samuel C L Kuo, William P R Gibson
Dec 16, 1998·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·R A FriedmanD Mills
Jun 15, 2005·Hearing Research·Malene Vejby MortensenAlbert Gjedde

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