Antonio A Frenguelli

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Subjective visual vertical refers to an individual's ability to indicate what, in his or her opinion, is a perfectly vertical line in specific experimental conditions. Although the otolith organs play a key role in the perception of verticality, the contribution of other sensory systems, e.g. the visual and proprioceptive systems, cannot be overlooked. The(More)
OBJECTIVE Comparative evaluation of two tests that, as a visual reference, respectively use a static light source (static testing) and a dynamic one (dynamic testing) to analyze subjective visual vertical in patients with unilateral vestibular dysfunction. STUDY DESIGN Prospective study. SETTING Otolaryngology and Cervicofacial Surgery Division,(More)
Auditory brain-stem responses (ABRs) were studied in 66 subjects with severe head trauma. Middle latency responses (MLRs) were also recorded in 22 of them. Patients were carefully selected to avoid conditions such as pre-existing or acute deafness, hypothermia or ethanol intoxication. In order to evaluate the usefulness of potentials in predicting recovery,(More)
OBJECTIVE The study provides a qualitative evaluation of unilateral vestibulopathy by comparing otolithic and canal function, to establish possible relationships between the type of dysfunction observed and the evolving clinical pictures associated with it. STUDY DESIGN Retrospective study of a series of cases. SETTING Department of Medical-Surgical(More)
Clinico-instrumental criteria to reliably detect simulated vertigo remain to be defined. Computed dynamic posturography (Equitest) has been used to identify additional factors to distinguish simulated, from real vertigo. The present study population comprised 23 normal subjects and 16 patients with documented vestibular impairment. Normal subjects were also(More)
Our study examined the posture of 15 patients who had sustained a simple unilateral or bilateral fracture of the condylar head of the mandible as a result of sports or traffic accidents. Following preliminary testing of vestibular function, the patients underwent balance testing: Romberg test with eyes closed (EC), Romberg EC and bite test (ECBT), EC and(More)
The Authors evaluated patterns of click-evoked otoacoustic emissions (EOE) in a group of 184 patients exposed to noise in their working environment. The aim of the study was to detect changes in EOE patterns in this group compared to the EOE of healthy subjects. The clinical history of each subject was recorded and otoscopy, pure tone audiogram and(More)
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