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This study wants to show the effects of active middle frequency sonar on a selected group of Italian Navy divers. Ten male divers with normal hearing were exposed to active sonar of the Italian Navy for more than 100 exposures, each of at least 1-h duration, in the course of 6 months. Before, at the end, and six months after the end of noise exposure, we(More)
The aim of this study was to evaluate changes in acoustic features of speech after tonsillectomy and to establish concepts of patient management and rational therapeutic approach. Before and 1 month after surgery, phonetically balanced sentences and sustained vowels a, e, i were carried out and digitalized with Multi-Dimensional Voice Program (Kay(More)
OBJECTIVES The aim of this study was to evaluate changes in acoustic features of speech and voice after tonsillectomy with or without adenoidectomy. METHODS Before and 1 month after surgery the following parameters were estimated: average of fundamental frequency (Fo), Jitter percent (Jitt), Shimmer, noise-to-harmonics ratio (NHR), voice turbulence index(More)
OBJECTIVE The vocal tract, which starts from the glottis and extends to the lips is considered to be a resonator for speech production. Enlarged palatine tonsils may cause hypernasal speech, oral breathing or muffled voice. Changes in the structure of this resonator are assumed to modify the speech characteristics. The aim of this study was to evaluate(More)
This study wants to show the diagnostic value of vestibular evoked myogenic potential (VEMP) in the diagnosis of vestibular neuritis (VN), independently of the caloric test results. Twenty patients were enrolled with acute vertigo caused by VN. VEMP was tested with the binaural simultaneous stimulation method. Surface electromyographic activity was recorded(More)
OBJECTIVE The aim of this study was to evaluate changes in the acoustic features of voice in patients with sensorineural hearing loss. DESIGN Thirty male patients, between 35 and 53 years of age with postlingual bilateral symmetric severe sensorineural hearing loss, were included (group A). As a control group (group B), 30 normal-hearing male adults, aged(More)
BACKGROUND The use of ultrasonic technology to cut and coagulate tissues with minimal tissue damage has been investigated in general surgery and gynecology. The purpose of this study was to verify the efficacy and applicability of the Harmonic Scalpel in head and neck surgery. MATERIAL/METHODS A non-randomized study was undertaken on 40(More)
OBJECTIVE Although much has been written on how to manage recurrent pharyngotonsillitis, it remains a controversial topic. The composition of normal commensal oropharynx bacteria may be disrupted by frequently using antimicrobials, by inhibiting sensitive organisms and by allowing resistant organisms to overgrowth. This may cause the recurrence of acute(More)
We conducted a study of the effects of mobile cellular telephone microwave radiation on the auditory system in 20 healthy men. After the subjects underwent baseline measurements of transient evoked otoacoustic emission (TEOAE) and auditory brainstem response (ABR), they participated in three sessions of exposure to an electromagnetic field of 900 to 1,800(More)
BACKGROUND The aim of this study was to evaluate changes in acoustic features of voice after septoplasty and to establish concepts of patient management and a rational therapeutic approach. MATERIAL/METHODS Before and one month after surgery, phonetically balanced sentences and sustained vowels a, e, and i were recorded and digitalized with MDVP (Multi(More)