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Brazilian Journal of Otorhinolaryngology

versão impressa ISSN 1808-8694

Resumo

LOPEZ, Priscila Suman; SILVA, Daniela Polo Camargo da; MARTIN, Luis Cuadrado  e  MONTOVANI, Jair Cortez. Could the type of treatment for chronic kidney disease affect the auditory system?. Braz. j. otorhinolaryngol. [online]. 2014, vol.80, n.1, pp.54-59. ISSN 1808-8694.  http://dx.doi.org/10.5935/1808-8694.20140012.

Introduction:

Chronic kidney disease (CKD) is defined as the presence of renal injury that leads to the slow and progressive loss of kidney function.

Aim:

To compare audiological tests between patients with CKD receiving different types of treatment.

Material and method:

This was a clinical and experimental study. Groups were divided according to treatment: hemodialysis (n = 35), peritoneal dialysis (n = 15), and conservative (n = 51), and were compared to 27 healthy controls. Patients older than 60 years; those with congenital hearing loss, genetic syndromes, and middle-ear infections; and those who had been submitted to a kidney transplant were excluded. Audiologic evaluation included pure-tone audiometry, transient evoked otoacoustic emissions, and auditory brainstem response (ABR). The variables considered were gender, age, diagnosis of arterial hypertension, time since the diagnosis of diabetes and hypertension, CKD stage, duration of CKD, and duration of treatment.

Results:

The variables age, presence of arterial hypertension, and time of CKD were statistically significant and controlled. The auditory thresholds measured by pure-tone threshold audiometry were worse for the conservative treatment group, and the III-V interval of the ABR of the conservative treatment group was significantly greater than that of the hemodialysis groups.

Conclusion:

The conservative treatment group presented worse audiological tests, regardless of hypertension and diabetes, reinforcing that patients need to undergo a complete hearing assessment for better understanding of the disease and its effects on the auditory system.

Palavras-chave : Hypertension; Diabetes mellitus; Hearing loss; Renal insufficiency chronic; Electrophysiology.

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