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Biomedical subjects

L Firrisi

Publications and source records attributed to L Firrisi.

7 recordsLinked to original sources

Benign paroxysmal positional vertigo: diagnosis and treatment.

Benign paroxysmal positional vertigo (BPPV) has been recognized as the most common vestibular disorder; it is a term coined in 1952 by Dix and Hallpike, and it is most commonly used to describe a disease with a characteristic clinical presentation believed to be caused by free-floating particles leaving the macula and entering one of the semicircular canals, usually the posterior one, more rarely the horizontal or superior ones. A lot of studies showed as the prevalence is higher in females than in males with a ratio of 2:1; furthermore, prevalence increases with the age: the mean age at onset is 54 years, with a range of 11 to 84 years. The most important clinical manifestations of BPPV are: vertigo, lightheadedness, dysequilibrium and sometimes nausea, vomiting, pallor and sweating. The diagnosis of BPPV is very simple through the Dix-Hallpike test or the diagnostic Semont's maneuver; the increasing information about the BPPV's pathogenesis has led most authors to consider the rehabilitative therapy, and in particular the so-called Semont's "liberatory" maneuver, as the first choice treatment of BPPV, in relation to its quickness and efficacy. In this treatment the debris are moved from the posterior semicircular canal to another location within the vestibular labyrinth. In our review we consider the possible pathogenesis of this disease and the best therapies, like repositioning maneuvers, in a patient affected by BPPV.

Adolescent↗

Stapes surgery in relation to age.

This prospective study aims to evaluate the efficacy of stapedotomy in relation to age. Eighty-four ears of 82 consecutive patients who underwent stapedotomy were studied. Patients were divided into five groups according to their age. In each patient, we evaluated the pre- and postoperative auditory thresholds, according to the Committee on Hearing and Equilibrium of the American Academy of Otolaryngology - Head and Neck Surgery guidelines. Statistically significant (P < 0.05) differences between the pre- and postoperative air conduction thresholds were observed in all groups. Statistically significant reductions of air-bone gap were observed at lower-medium frequencies (250, 500 and 1000 Hz) in the elderly as well as in the younger patients. We did not find a higher susceptibility of the inner ear to surgical trauma in the elderly in comparison to the younger patients. Our data show that stapedotomy results in older adults are comparable to those obtained in the younger, without an increased incidence of complications.

Adult↗

Bilateral irreversible hearing loss associated with the combination of carboplatin and paclitaxel chemotherapy: a unusual side effect.

The regimen with paclitaxel and platinum compound (carboplatin or cisplatin) is the standard chemotherapy for patients with advanced ovarian cancer. Ototoxity for carboplatin and paclitaxel alone or combined is rarely observed. We report the case of a 35-year old female with advanced ovarian cancer who developed sudden bilateral sensorineural hearing loss related to paclitaxel and carboplatin based chemotherapy. This uncommon adverse effect of carboplatin and paclitaxel alone or combined is discussed and the literature reviewed. Hearing monitoring should be mandatory to evaluate the real incidence of clinical and sub-clinical hearing modification induced by carboplatin and paclitaxel based chemotherapy.

Adult↗

Dysphonia and cervical hyperostosis: a case report.

We report a case of a 77-year-old man with a 3-year-history of progressive dysphonia, without dysphagia. His voice sounded breathy; the pitch and the loudness were low. He complained of a few episodes of voice breaking. At laryngostroboscopy the adduction motion of the left true vocal cord was slower than the contralateral one. A cervical spine X-ray demonstrated a generalized vertebral osteophytosis and a 3-centimeter-long anterior osteophytic spur, originating from C6. Evaluation with barium swallow showed a dislocation of the inferior cervico-oesophagus to the right, with a preservation of its lumen. Cervical-thoracic computed tomography showed a mild pressure produced by the osteophyte on the thyroid cartilage and the presence of the radiological criteria for Forestier's disease. Therefore, the presence of dysphonia in older adults without any primary laryngeal cause, indicates a radiological study of the cervical-thoracic region, in order to discover cervical osteophytosis.

Aged↗

Benign paroxysmal positional vertigo: a comparative prospective study on the efficacy of Semont's maneuver and no treatment strategy.

PURPOSE: The present study investigates the efficacy of Semont's repositioning liberatory maneuver by comparing it with no-treatment in a population of patients with benign paroxysmal positional vertigo (BPPV). MATERIALS AND METHODS: In this randomised, controlled, 6-month efficacy trial, 40 patients affected by BPPV were treated with Semont's maneuver. Outcomes were measured subjectively by patients about their Activities of Daily Living (ADL) and quality of life, based on the "Vestibular Disorders Activities of Daily Living Scale". Results were compared to those obtained in 40 non-treated BPPV patients. RESULTS: During the first month of the study, 92.5% of patients of Semont's group resolved their symptoms. Cure rates with Semont's maneuver were significantly higher than those obtained with no-therapy (92.5% versus 37.5%). Within a six month follow-up, relapse rates were lower among patients treated with Semont's maneuver than among the no-treated ones (5% versus 60%). All patients with a resolution of symptoms and a negative Dix-Hallpike's test presented a great improvement in daily activities and quality of life. CONCLUSIONS: BPPV is easy to solve with a successful repositioning maneuver. Since BPPV is a very common cause of vertigo and can represent a medical emergency, we believe that it is of interest for every general practitioner to be able to promptly recognize this frequent balance disorder and to be able to treat a patient affected by BPPV with a safe repositioning maneuver.

Activities of Daily Living↗

What is vertigo?

Vertigo is one of the types of dizziness with dysequilibrium, presyncope and lightheadedness. But what does vertigo mean? Vertigo indicates a sensation of false movement (generally described like a rotation) but sometimes the patient can describe it like a sensation of tilt. Instead, the word dizziness indicates a sensation of disturbed relation to surrounding objects in space with feelings of rotation or whirling characteristic of vertigo as well as non-rotatory swaying, weakness, faintness and unsteadiness characteristic of giddiness. In our review we describe, after brief considerations about functional anatomy of the vestibular system, the most important cause of vertigo considering the duration of the symptom; moreover we underline the importance of anamnesis and of the objective examination for a correct differential diagnosis of a dizzy patient. As to objective examination we describe the most important characteristics of nystagmus, that is the only objective sign in vertigo, of central and peripheral origin. At last we consider the most efficacious therapies, like as medications (specific and aspecific), surgery (conservative and destructive) and rehabilitation, in relation the characteristics and the causes of vertigo.

Age Factors↗