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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)
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)
OBJECTIVES The aim of the study was to determine the efficacy of electronystagmography testing in the diagnosis of vertigo in children with migraine equivalent syndrome. STUDY DESIGN The investigation included 20 children with "migraine equivalent syndrome" (group A), characterized by benign paroxysmal vertigo of childhood. As a control group, 50 healthy(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 has been to test to determine the diagnostic value of a visual-vestibular test with a rotatory cylindrical chamber in the diagnosis of peripheral and central vertigo in children. METHODS Ten children affected by posttraumatic and migrainous vertigo were enrolled (group A): as a control group 10 healthy children were(More)
OBJECTIVE The aim of this study was to demonstrate that binocular flash-induced nystagmus (B-FIN) can be evoked in humans. DESIGN The study evaluated the presence of B-FIN by stimulation with a stroboscopic flash. SETTING The study was conducted with 12 healthy patients in the Otorhinolaryngology Department of the University of Genoa (Italy), between(More)
The aim of this study was to evaluate changes in acoustic features of speech and voice after uvulopalatopharyngoplasty (UPPP) with the Harmonic Scalpel (HS), using the multidimensional voice program (MDVP) in conjunction with other tests. Before and 6 months after surgery, phonetically balanced sentences and sustained vowels a, e, i were carried out and(More)
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