Graeme Clark Collection

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Author: PYMAN, BRIAN × End date: 1999 × Subject: cochlear implant × Subject: deafness × Subject: otology ×

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    Chronic middle ear disease and cochlear implantation
    Donnelly, M. J. ; Pyman, B. C. ; Clark, Graeme M. ( 1995)
    Profound or total hearing loss can occur in the setting of chronic suppurative otitis media (CSOM), either coincidentally or secondary to the disease process. Obviously, inserting a foreign body through a potentially infected field into a space that communicates intracranially presents a challenging management problem. This paper presents the experience from the Melbourne Cochlear Implant Clinic (CIC) in implanting patients with bilateral CSOM. This is certainly not a common problem, as there have been only 3 cases from 121 implanted adults. However, we feel that it is an important issue with potentially devastating consequences. In addition, there are many countries in which bilateral CSOM is a more common problem and cause of profound or total hearing loss.
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    Preliminary results for the Cochlear Corporation multielectrode intracochlear implant in six prelingually deaf patients
    Clark, Graeme M. ; Busby, Peter A. ; Roberts, Susan A. ; Dowell, Richard C. ; Blamey, Peter J. ; Mecklenburg, Dianne J. ; Webb, Robert L. ; Pyman, Brian C. ; Franz, Burkhard K. ( 1987)
    The preliminary results from this study indicate that some prelingually deaf patients may get worthwhile help from a multiple-electrode cochlear implant that uses a formant-based speech processing strategy. It is encouraging that these improvements can occur in young adults and teenagers. The results for two children are also encouraging. A 10-year-old child obtained significant improvement on some speech perception tests. It was easy to set thresholds and comfortable listening levels on a 5-year-old child, and he is now a regular user of the device. There are, however, considerable variations in performance among the prelingual patients, which may be related to the following factors: whether they have had some hearing after birth, the method of education used, the motivation of the patient, and age at implantation.