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Comportamento do P300 em pacientes usuários de implante coclear com eletroestimulação unilateral

Long Latency Auditory Evoked Potentials (P300) outcomes in patients with unilateral cochlear implants

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-5cgb4g
Enrollment
Unknown
Registered
2017-12-01
Start date
2013-09-01
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bilateral hearing loss

Interventions

For this research project, 20 adult subjects of both sexes with severe bilateral and / or profound deafness, post-lingual, with auditory thresholds below 71 dBHL in 500, 1, 2 and 4 kHz, users coclhle
Behavioural
G07.265.216.500.350
E01.370.382.375.060

Sponsors

Hospital das Clinicas da Faculdade de Medicina de Ribeirão Preto- Universidade de São Paulo
Lead Sponsor
Hospital das Clinicas da Faculdade de Medicina de Ribeirão Preto- Universidade de São Paulo
Collaborator

Eligibility

Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: Patients with post-lingual hearing loss undergoing cochlear implant surgery

Exclusion criteria

Exclusion criteria: prelingual hearing loss

Design outcomes

Primary

MeasureTime frame
Decrease in P300 latency in milliseconds determined by comparing the examination before the cochlear implant surgery and 6 months after the use of the cochlear implant—

Secondary

MeasureTime frame
Increased P300 amplitude in microvolts determined by comparing the examination before the cochlear implant surgery and 6 months after the use of the cochlear implant—

Countries

Brazil

Contacts

Public ContactMaria Stella Amaral

Hospital das Clinicas da Faculdade de Medicina de Ribeirão Preto- Universidade de São Paulo

stella_arantes@yahoo.com55-16-36022863

Outcome results

None listed

Source: REBEC (via WHO ICTRP)