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Search Results: 1 - 10 of 469501 matches for " Heloisa Helena;Ganan?a "
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Achados à prova calórica e canal semicircular acometido na vertigem posicional paroxística benigna
Manso, Andréa;Ganana, Cristina Freitas;Ganana, Fernando Freitas;Ganana, Maurício Malavasi;Caovilla, Heloisa Helena;
Revista da Sociedade Brasileira de Fonoaudiologia , 2009, DOI: 10.1590/S1516-80342009000100015
Abstract: purpose: to characterize caloric test results in benign paroxysmal positional vertigo patients, according to the damaged semicircular canal. methods: the data of 1033 patients submitted to dix-hallpike testing, positional nystagmus and electronystagmography were analyzed. caloric test results were compared to the damaged semicircular canals and were submitted to statistical analysis. results: in cases with posterior canal damage, there was prevalence of normal responses compared to abnormal results (p<0.0001); hypo activity was more prevalent than hyperactivity (p<0.0001) and directional preponderance (p<0.0001), and hyperactivity more prevalent than directional preponderance (p<0.0001). in cases with lateral canal damage, normal responses were more prevalent than hypo activity (p<0.0001) and hyperactivity (p<0.0001); there was a tendency of prevalence of hypo activity over hyperactivity (p=0.0771), and directional preponderance was not observed. in cases with anterior canal damage, normal responses were more prevalent than hypo activity (p<0.0001); hyperactivity and directional preponderance were not observed. conclusion: in the caloric test of benign positional paroxysmal vertigo patients, normal responses, hypo activity, hyperactivity or directional preponderance of post-caloric nystagmus occur in decreasing order of prevalence when the posterior canal is damaged; normal responses are more prevalent than hypoactive or hyperactive caloric responses, and there is a tendency of prevalence of hypoactive over hyperactive caloric responses when the lateral canal is damaged; normal responses are more prevalent than hypoactive caloric responses when the anterior canal is damaged.
Avalia??o oculomotora em pacientes com disfun??o vestibular periférica
Tuma, Vanessa Costa;Ganana, Cristina Freitas;Ganana, Maurício Malavasi;Caovilla, Heloisa Helena;
Revista Brasileira de Otorrinolaringologia , 2006, DOI: 10.1590/S0034-72992006000300019
Abstract: aim: to assess whether or not the parameters of fixed and randomized saccadic movements, of pendular tracking and of optokinetic nystagmus in the digital vectonystagmography may show abnormalities in patients with possible diagnosis of peripheral vestibular dysfunction. method: 60 patients with dizziness of peripheral vestibular origin, from 12 to 82 years of age, males and females, were evaluated in the universidade federal de s?o paulo. ocular movement parameter findings were compared to a normal pattern. results: fixed saccadic movements were altered in 100% of the cases as to latency, and in 35.0% of the cases as to speed; the randomized saccadic movements were altered in 100% of the cases as to latency, in 78.3% as to precision, and in 1.7% as to speed; the pendular tracking showed a gain alteration in the frequencies of 0.1 hz in 15% of the cases, 0.2 hz in 21.7%, and 0.4 hz in 13.3%; the optokinetic nystagmus showed an alteration of the angular speed in the slow component in 1.7% of the cases, and in gain in 5.0%. conclusion: fixed saccadic movement latency and speed, randomized saccadic movement latency, precision and speed, pendular tracking gain, slow component angular speed, and optokinetic nystagmus gain in the digital vectonystagmography may show abnormalities in patients with possible diagnosis of peripheral vestibular dysfunction.
Active head rotation in benign positional paroxysmal vertigo
Ganana, Fernando Freitas;Ganana, Cristina Freitas;Caovilla, Heloisa Helena;Ganana, Maurício Malavasi;Albernaz, Pedro Luiz Mangabeira;
Brazilian Journal of Otorhinolaryngology , 2009, DOI: 10.1590/S1808-86942009000400019
Abstract: benign positional paroxysmal vertigo (bppv) is one of the most common vestibular diseases and the active head rotation test one of the most modern methods of vestibular function assessment. aim: this study aims to verify if the active head rotation test may reveal signs of horizontal and/or vertical vestibulo-ocular reflex dysfunction in vertigo patients suspected for bppv. study design: retrospective series study. materials and method: neurotological evaluation including computerized electronystagmography and active head rotation on the horizontal and vertical axes were conducted in 100 patients suspected for bppv patients. results: isolated or associated abnormalities of the horizontal and/or vertical vestibulo-ocular reflex gain, phase and symmetry were indicative of vestibular involvement and found in 77.0% of the bppv patients. conclusion: the active head rotation test revealed horizontal and/or vertical vestibulo-ocular reflex dysfunctions in a relevant number of bppv patients.
Posturografia do Balance Rehabilitation Unit (BRU TM) na vertigem posicional paroxística benigna
Monteiro, Silvia Roberta Gesteira;Ganana, Maurício Malavasi;Ganana, Fernando Freitas;Ganana, Cristina Freitas;Caovilla, Heloisa Helena;
Brazilian Journal of Otorhinolaryngology , 2012, DOI: 10.1590/S1808-86942012000300017
Abstract: posturography has been used in the evaluation of patients with vestibular disorders. aim: to evaluate balance control with the balance rehabilitation unit (brutm) posturography in patients with benign paroxysmal positional vertigo. study design: prospective case-control. materials and methods: a cross-sectional controlled study was carried out in 45 patients with bppv, and a homogeneous control group consisting of 45 healthy individuals. patients were submitted to a balance function evaluation by means of the balance rehabilitation unit (brutm) posturography. results: the mean values of the ellipse area and the sway velocity in a firm surface and saccadic stimulation (p = 0.060). conclusion: the balance rehabilitation unit (brutm) posturography enables to identify postural control abnormalities in patients with bppv.
Betahistine in the treatment of tinnitus in patients with vestibular disorders
Ganana, Maurício Malavasi;Caovilla, Heloisa Helena;Gazzola, Juliana Maria;Ganana, Cristina Freitas;Ganana, Fernando Freitas;
Brazilian Journal of Otorhinolaryngology , 2011, DOI: 10.1590/S1808-86942011000400014
Abstract: betahistine is a medicine used to treat vestibular disorders that has also been used to treat tinnitus. aim: to assess the effects of betahistine on tinnitus in patients with vestibular disorders. material and method: retrospective data were collected from patient records for individuals presenting with vestibular dysfunction and tinnitus. patients included had received betahistine 48 mg/day and clinical outcomes were compared with a control group comprising individuals who were unable to receive betahistine due to gastritis, ulcers, pregnancy, asthma or hypersensitivity to the drug. patients underwent control of any aggravating factors and also standard vestibular exercises as a basis for treatment. the intensity, frequency and duration of tinnitus were assessed on the first day of dosing and after 120 days of treatment. clinical improvement was defined as a total or partial reduction of tinnitus after treatment. results: clinical improvement was observed in 80/262 (30. 5%) of patients treated with betahistine and 43/252 (17. 1%) of control patients. betahistine significantly (p<0. 0001) improved tinnitus in treated individuals. conclusions: the daily dosage of 48 mg of betahistine during 120 consecutive days is useful to reduce or eliminate tinnitus in patients with vestibular disorders
Posturografia do Balance Rehabilitation Unit (BRU TM) na doen?a de Ménière
Cusin, Flavia Salvaterra;Ganana, Maurício Malavasi;Ganana, Fernando Freitas;Ganana, Cristina Freitas;Caovilla, Heloisa Helena;
Brazilian Journal of Otorhinolaryngology , 2010, DOI: 10.1590/S1808-86942010000500013
Abstract: posturography has been used in the evaluation of patients with vestibular disorders. aim: to evaluate balance control with the balance rehabilitation unit (brutm) posturography in patients with menière's disease. study design: prospective case-control. material and method: 30 patients diagnosed with menière's disease and a control group consisting of 40 healthy matching individuals in relation to age and gender, were submitted to a balance function evaluation by means of a balance rehabilitation unit (brutm) posturography. results: comparing patients with menière's disease and the control group, we found significant differences between the values of the sway speed in the static force plate, down optokinetic stimulation (p=0.038) and horizontal visual vestibular interaction (p=0.049); and of the ellipse area in the static force plate, eyes closed (p=0.001); left optokinetic stimulation (p=0.007); down optokinetic stimulation (p=0.003); horizontal visual vestibular interaction (p=0.003); and vertical visual vestibular interaction (p=0.028). conclusion: the postural control assessment with the balance rehabilitation unit (brutm) posturography enables the identification of sway speed and ellipse area abnormalities in patients with menière's disease.
Clinical features of benign paroxysmal positional vertigo
Caldas, Mariana Azevedo;Ganana, Cristina Freitas;Ganana, Fernando Freitas;Ganana, Maurício Malavasi;Caovilla, Heloisa Helena;
Brazilian Journal of Otorhinolaryngology , 2009, DOI: 10.1590/S1808-86942009000400006
Abstract: benign paroxysmal positioning vertigo (bppv) is considered as the most common vestibular disease. aim: to evaluate the age, gender, type and site of the lesion, association with other vestibular diseases, progression, and recurrence in these patients. material and method: a retrospective series study. data from medical reports of bppv patients examined in series during the past six years were analyzed. results: prevalences of bppv were: at age 41-60 years (42.2 %); in females (62.8 %), wit nystagmus and positioning vertigo (81.3%); affecting the posterior canal (87%), unilateral (91.8 %), the right labyrinth (60.2%) - p<0.001). due to canalithiasis (97.5%), idiopathic (74.8%), association with menière's disease compared to other affections (55.4%); healing or recovery by means of the particle repositioning maneuver (77.9%); and possible recurrence (21.8% in a one-year follow-up period). conclusion: bppv is characterized by its prevalence at age 41 to 60 years, in females, with nystagmus and positioning vertigo, involving mostly the posterior canal of the right labyrinth, associated with canalithiasis or idiopathic, associated with menière's disease compared to other affections, healing or recovery by means of particle repositioning maneuver, and possible recurrence.
Manobra de Epley na vertigem posicional paroxística benigna associada à doen?a de Ménière
Ganana, Cristina Freitas;Caovilla, Heloisa Helena;Gazzola, Juliana Maria;Ganana, Maurício Malavasi;Ganana, Fernando Freitas;
Revista Brasileira de Otorrinolaringologia , 2007, DOI: 10.1590/S0034-72992007000400009
Abstract: the effects of epley?s maneuver in benign paroxysmal positional vertigo (bppv) associated with menière?s disease are controversial. aims: to evaluate the progression of positional vertigo and nystagmus after one or more of epley?s maneuvers in bppv associated with menière?s disease, and the recurrence of bppv. method: a retrospective study of 62 patients with bppv associated with menière?s disease, that underwent epley?s maneuver, and that were monitored during 12 months after elimination of positional nystagmus. results: one epley?s maneuver was required to eliminate positional nystagmus in 80.7% of the patients, two in 16.1%, and three in 3.2%; after elimination of nystagmus, positional vertigo was suppressed in 71.0% of the patients, improved in 27.4% and remained unaltered in 1.6%. four weeks after elimination of positional nystagmus, all patients were asymptomatic. recurrence of bppv was seen in 19.4% of the cases, with elimination of the positional vertigo and nystagmus by means of the specific maneuver for the involved canal. conclusion: in bppv associated with menière?s disease, vertigo and positioning nystagmus were eliminated with one, two or three epley maneuvers. bppv recurrence was resolved by using a specific maneuver for the affected canal.
Neurotological symptoms and academic performance of university students
Marques, Marcia Mattos;Ganana, Mauricio Malavasi;Marques, Carolina Mattos;Ganana, Fernando Freitas;Caovilla, Heloisa Helena;
Arquivos de Neuro-Psiquiatria , 2010, DOI: 10.1590/S0004-282X2010000100006
Abstract: objective: to compare the academic performance of university students with or without neurotological symptoms. method: 100 students enrolled in the biomedical sciences graduate school - medical modality of unifesp-epm in 2007 and answered a neurotological screening questionnaire. results: the symptoms presented once, sometimes, many times or always, in a decreasing order of prevalence, were headache (74.0%), difficulty with concentration (57.0%), lack of memory (45.0%), physical indisposition, nausea /dizziness when in moving vehicle (37.0%), fainting (27.0%), nausea (26.0%), sensation of fullness in the ear (26.0%), hypersensitivity to sounds (26.0%), tinnitus (22.0%), vertigo and other kinds of dizziness (21.0%), imbalance when walking (21.0%), difficulty in hearing (21.0%), imminent sensation of fainting (11.0%) and vomiting (8.0%), alone or in different associations; convulsion was not mentioned. the final academic performance score ranged from 5.1 to 10.0. conclusion: university students with or without neurotological symptoms have manifested similar academic performance.
Impacto da tontura na qualidade de vida de idosos com vestibulopatia cr?nica
Santos, Erika Maria dos;Gazzola, Juliana Maria;Ganana, Cristina Freitas;Caovilla, Heloisa Helena;Ganana, Fernando Freitas;
Pró-Fono Revista de Atualiza??o Científica , 2010, DOI: 10.1590/S0104-56872010000400011
Abstract: background: dizziness impact on the quality of life (qol) of elderly patients with chronic vestibular dysfunction. aim: to evaluate the association between the impact of dizziness on the qol of elderly patients with chronic vestibular dysfunction and demographic and clinical variables. method: a prospective study. a hundred and twenty elderly patients with chronic vestibular dysfunction underwent the brazilian version of the dizziness handicap inventory (dhi). in order to verify the association between the qol and the demographic and clinical variables, the following testes were used: mann-whitney, kruskal-wallis and spearman's correlation coefficient. results: there were significant associations between the presence of rotating and non-rotating dizziness with the total score of the dhi (p = 0.010) and physical (p = 0.049) and functional (p = 0.009) subscales; between recurrent falls with total dhi (p = 0.004) and physical (p = 0.045), functional (p = 0.010) and emotional (p = 0.011) subscales. significant correlations were found between functional incapacity and total dhi (r = + 0,557; p < 0.001) and physical (r = + 0,326; p < 0.001), functional (r = + 0,570; p < 0.001) and emotional (r = + 0,521; p < 0.001) subscales. conclusions: the impact of dizziness on the qol is higher in elderly patients with rotating and non-rotating dizziness, recurrent falls and functional incapacity.
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