| 11. |
- Eeg-Olofsson, Måns, 1967, et al.
(författare)
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Implications for contralateral bone-conducted transmission as measured by cochlear vibrations.
- 2011
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Ingår i: Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology. - : LWW. - 1537-4505 .- 1531-7129. ; 32:2, s. 192-8
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Tidskriftsartikel (refereegranskat)abstract
- The velocity response at the contralateral cochlea from bone-conducted (BC) stimulation depends on the stimulation position.
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| 12. |
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| 13. |
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| 14. |
- Eeg-Olofsson, Måns, 1967, et al.
(författare)
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Transmission of bone-conducted sound in the human skull measured by cochlear vibrations.
- 2008
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Ingår i: International journal of audiology. - : Informa UK Limited. - 1708-8186 .- 1499-2027. ; 47:12, s. 761-9
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Tidskriftsartikel (refereegranskat)abstract
- One limitation with the Bone Anchored Hearing Aid (Baha) is too poor amplification for patients with moderate to severe sensorineural hearing losses. Therefore, we investigated if bone conducted (BC) sound transmission improves when the stimulation approaches the cochlea. Also the influence from the squamosal suture on BC sound transmission was investigated. Both sides of the heads on seven human cadavers were used and vibrational stimulation was applied at eight positions on each side with a frequency range of 0.1-10 kHz. A laser Doppler vibrometer was used to measure the resulting velocity of the cochlear promontory. It was found that the velocity of the promontory increases as the stimulation position approaches the cochlea; this was especially apparent at distances within 2.5 cm from the ear canal opening and when the stimulation position was in the opened mastoid. At frequencies above 500 Hz there was on average 10 to 20 dB greater vibrational response at the cochlea when the stimulation was close to the cochlea compared with the normal Baha position. Moreover, even if there were general indications of attenuation of BC sound when passing the squamosal suture, an effect from the suture could not be conclusively determined.
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| 15. |
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| 16. |
- Folkestad, Lena, et al.
(författare)
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Diplopia in orbital fractures : a simple method to evaluate eye motility
- 2007
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Ingår i: Acta Oto-Laryngologica. - London : Taylor & Francis. - 0001-6489 .- 1651-2251. ; 127:2, s. 156-166
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Tidskriftsartikel (refereegranskat)abstract
- Conclusion. This study on eye motility demonstrates a new application of electro-oculography which proved to have a high potential for establishing and diagnosing the cause of diplopia in orbital floor fractures. Electro-oculography is objective and easy to perform even when the restricted eye is covered. The ‘uninjured’ eye can be used as the reference. Any motility difference between the left and the right eye was easily detected. Objective. It is essential in orbital floor fractures to distinguish entrapment from other causes of diplopia. We investigated whether vertical eye motility and restricted elevation can be detected and characterized by means of electro-oculography. Materials and methods. Electronystagmography equipment used for vestibular testing in daily ENT practice was used in a different context. Unilateral mechanical restriction was generated in the test subjects through fixation of one eye bulb. The velocity and range of eye motility of both eyes were measured and compared in 12 healthy test subjects and 7 patients with long-term vertical diplopia after orbital floor fractures. Results. Simulated entrapment was easily detected as a distinct difference between right and left eye motility recordings (p<0.001). Recordings of patients with diplopia differed significantly from those of healthy test subjects with respect to velocity (p<0.05) and range of motility (p<0.05).
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| 17. |
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| 18. |
- Granström, Gösta, 1950
(författare)
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Craniofacial osseointegration
- 2007
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Ingår i: Oral Diseases. ; 13, s. 261-269
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Tidskriftsartikel (refereegranskat)
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| 19. |
- Granström, Gösta, 1950, et al.
(författare)
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Imaging of osseointegrated implants in the temporal bone by accuitomo 3-dimensional cone beam computed tomography.
- 2011
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Ingår i: Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology. - 1537-4505. ; 32:2, s. 199-203
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Tidskriftsartikel (refereegranskat)abstract
- Follow-ups of osseointegrated implants in the temporal bone have been limited to clinical stability and resonance frequency measurements. Standard computed tomographic scanning is restricted because of the high radiation doses to the brain and the presence of disturbing metal artifacts. The present study was undertaken to evaluate the use of cone beam computed tomography preoperatively and postoperatively.
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| 20. |
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