[Evoked oto-acoustic emissions: results in at-risk newborn infants].
Fourty newborns (80 ears) from the intensive care unit were tested with evoked oto-acoustic emission (EOAE). The occurrence of EOAE was 93%.
Biomedical subjects
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Fourty newborns (80 ears) from the intensive care unit were tested with evoked oto-acoustic emission (EOAE). The occurrence of EOAE was 93%.
36 normal hearing subjects were tested for spontaneous oto-acoustic emissions. The data obtained are presented and discussed.
In our study, 71 normal-hearing ears from adults and 39 from neonates (n = 110) were tested by the advanced echo test technique devised and described by Kemp (ILO 88). Almost all ears (97% and 95%) showed emissions. This material is convenient for clinical routine in adults and for neonatal screening.
The authors report an observation of Wegener's disease, clinically isolated as a secretory otitis media on the left side followed by a right sudden deafness. Resistance to the usual treatment and the evolution of the disease with association of pulmonary manifestation and fever have lead to the diagnostic of Wegener granulomatosis confirmed by ANCA test and renal punction.
We tested the availability of the commercial oto-acoustic device "ILO88" on adults and neonates. We describe a simple method to quickly obtain reliable results with this material. We also tested the possibility of recording evoked oto-acoustic emissions on ears with grommets tubes.
A study realised among 60 children by means of a probe tube microphone allowed us to determine the mean ear canal resonance by the newborn and the young children. This is noticeably less than the adult one. The ear canal reaches its adult physiology after one year, so it implies a somewhat different auditory sensibility by the newborns than by the adults, particularly in the 2000-4000 Hz range. We suggest that the A.B.R. wave I latency and thresholds modifications during children's first year of life are (at least partially and in the majority of cases) an ear canal physiological variation effect and that different calibrations should be used for newborns screening test and for adults purposes.
In this paper the clinical and pathological aspects of a case of sarcomatoid carcinoma (spindle cell squamous carcinoma) of the larynx are reported. The diagnosis is confirmed by immunohistochemical analysis.
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We recommend the association of scintigraphy and sialography in salivary glands pathology. The obtained results of both methods are very often complementary or convergent. In case of sialadenitis or dry mouth, it happens that results diverge, but these differences can be explained if one remembers the anatomo-physiological alterations. To prevent a false positive result of atrophy. The scintigraphy must always be realized before sialography. N.B. "Scintigraphy" means isotopic sialography. "Sialography" means conventional sialography.
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