Effectiveness of an online continuing education course in infant hearing health for primary care professionals.

Objective: To evaluate the effectiveness of an online continuing education course on infant hearing health for primary care professionals.

Design: A prospective longitudinal study with interrupted time series pre-test/post-test design. The effectiveness of the online course was assessed by comparing pre- post-training performance and analysing responses to evaluations of the quality of the course.

Contralateral Masking in the Measurement of Auditory Brainstem Responses with Air-Conducted Tone Burst Stimuli in Individuals with Unilateral Hearing Loss.

Background: Contralateral noise masking is an important aspect of auditory brainstem response (ABR) measurements.

Purpose: The primary aim of this study is to determine how contralateral white noise (WN) masking influences the amplitude and the latency of V wave generated during ABR measurements, using tone burst (TB), in adult ears with normal hearing (NH). The secondary aim of this study is to ascertain the need of contralateral masking in ABR measurements with the TB stimuli using a 3A insertion earphone, and to propose the applicability of WN masking in unilateral sensorineural hearing loss (USNHL).

Unilateral and asymmetric hearing loss in childhood.

Purpose: To describe unilateral and bilateral asymmetric sensorineural hearing loss in children and its etiological, audiological and demographic characteristics.

Methods: Retrospective cross-sectional study developed in the Seção de Implante Coclear of Hospital de Reabilitação de Anomalias Craniofaciais, through the analysis of medical records.

Results: Data from 1152 patients were analyzed: 424 (37%) adolescents, adults or elderly, and 728 (63%) children, of whom 691 (95%) had bilateral symmetrical hearing loss, and 37 (5%) had unilateral hearing loss (n=10) or bilateral asymmetric (n=27) sensorineural hearing loss.

Acoustic Reflex Testing in Neonatal Hearing Screening and Subsequent Audiological Evaluation.

Purpose: The aims of the study were to examine the acoustic reflex screening and threshold in healthy neonates and those at risk of hearing loss and to determine the effect of birth weight and gestational age on acoustic stapedial reflex (ASR).

Method: We assessed 18 healthy neonates (Group I) and 16 with at least 1 risk factor for hearing loss (Group II); all of them passed the transient evoked otoacoustic emission test that assessed neonatal hearing. The test battery included an acoustic reflex screening with activators of 0.

Acoustic reflex on newborns: the influence of the 226 and 1,000 Hz probes.

Purpose: To analyze the occurrence of acoustic reflex and its threshold on newborns using the 226 and 1,000 Hz probes.

Methods: Thirty-six newborns with "PASS" results in newborn hearing screening and tympanogram with one or two peaks for both probe tones were included. Group I comprised 20 full-term newborns without risk indicator for hearing loss, and Group II comprised 16 newborns with at least one risk indicator.

Hearing in Noise Test Brazil: standardization for young adults with normal hearing.

Introduction: Individuals with the same ability of speech recognition in quiet can have extremely different results in noisy environments.

Objective: To standardize speech perception in adults with normal hearing in the free field using the Brazilian Hearing in Noise Test.

Methods: Contemporary, cross-sectional cohort study.

Brainstem auditory evoked potentials in children with lead exposure.

Introduction: Earlier studies have demonstrated an auditory effect of lead exposure in children, but information on the effects of low chronic exposures needs to be further elucidated.

Objective: To investigate the effect of low chronic exposures of the auditory system in children with a history of low blood lead levels, using an auditory electrophysiological test.

Methods: Contemporary cross-sectional cohort.

The influence of speech stimuli contrast in cortical auditory evoked potentials.

Unlabelled: Studies about cortical auditory evoked potentials using the speech stimuli in normal hearing individuals are important for understanding how the complexity of the stimulus influences the characteristics of the cortical potential generated.

Objective: To characterize the cortical auditory evoked potential and the P3 auditory cognitive potential with the vocalic and consonantal contrast stimuli in normally hearing individuals.

Method: 31 individuals with no risk for hearing, neurologic and language alterations, in the age range between 7 and 30 years, participated in this study.

Hearing loss and acquired immune deficiency syndrome: systematic review.

Purpose: To investigate the occurrence of hearing loss in individuals with HIV/AIDS and their characterization regarding type and degree.

Research Strategy: It was conducted a systematic review of the literature found on the electronic databases PubMed, EMBASE, ADOLEC, IBECS, Web of Science, Scopus, Lilacs and SciELO.

Selection Criteria: The search strategy was directed by a specific question: "Is hearing loss part of the framework of HIV/AIDS manifestations?", and the selection criteria of the studies involved coherence with the proposed theme, evidence levels 1, 2 or 3, and language (Portuguese, English and Spanish).