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ORIGINAL ARTICLE
Year : 2018  |  Volume : 30  |  Issue : 4  |  Page : 216-220

Sensorineural hearing loss in patients with chronic renal failure on hemodialysis in Basrah, Iraq


1 Department of Otolaryngology, Basrah General Hospital, Basrah, Iraq
2 Department of Otolaryngology, Basrah General Hospital; Department of Surgery, College of Medicine, University of Basrah, Basrah, Iraq
3 Department of Community Medicine, College of Medicine, University of Basrah, Basrah, Iraq

Correspondence Address:
Prof. Jasim N Al-Asadi
Department of Community Medicine, College of Medicine, University of Basrah, Basrah
Iraq
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/tcmj.tcmj_149_17

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Objectives: The objective of this study is to determine the effect of hemodialysis on the hearing threshold in patients with chronic renal failure (CRF). Materials and Methods: Fifty-nine patients with CRF on regular hemodialysis were followed up for 1 year with a pure-tone audiometric examination every 6 months. Results: The mean age of the patients was 41.8 ± 9.2 years (range: 17–50 years). At the beginning of the study, 39 patients (66.1%) had sensorineural hearing loss (SNHL). During the 12-month follow-up, 6 more patients developed SNHL giving a point prevalence rate of 76.3% at the end of the study. The hearing loss was more evident in the higher frequencies. Of the studied patients, 64.4% showed deterioration of the hearing threshold. The mean hearing threshold at the beginning of the study was 29.2 ± 21.1 dB versus 36.9 ± 17.3 dB at the end of the study (P < 0.001). No significant relation was found between age, sex, serum electrolytes, blood urea, and duration of CRF and hearing loss. Multivariate analysis showed that the duration of hemodialysis was the only significant independent predictor of SNHL. Conclusion: SNHL is common in patients with CRF on hemodialysis. It was mild to moderate in the majority of patients. Hearing impairment was most obvious at the high frequencies. Most of the patients showed further deterioration in the hearing threshold with the duration of dialysis.


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