Abstract
Objective: To evaluate the otoacoustic emissions in patients submitted to chemotherapy treatment in hospital of reference in pediatric oncology of Pará. Methods: The study was longitudinal, prospective and cohort study at the Octávio Lobo Infant Oncology Hospital and at the University Hospital Bettina Ferro de Souza, obtaining data from the transient OAEs in patients attended at the pediatric oncology clinic in October 2018, at the start of treatment and during the use of chemotherapy. In the application of descriptive statistics, tables and graphs were constructed and the analytical statistic was used to evaluate the results of the categorical variables through the G and Chi-Square Tests. Results: Twenty patients were evaluated. There was a predominance of males, with a higher prevalence of OAE present. Among the chemotherapeutics, the platinas and derivatives were prevalent. The relationship between OAE and chemotherapy used resulted in OAE present in the use of platinum and derivatives. It was demonstrated that the time does not influence the result. Conclusion: There was a prevalence of OAE at the beginning of the treatment, with no relation to the exposure time and dosage of the drug used, and cisplatin the main chemotherapeutic agent inducing ototoxicity.