A study of transient hearing loss after spinal anesthesia
Journal Title: Medpulse International Journal of Anesthesiology - Year 2017, Vol 2, Issue 2
Abstract
Background: Transient sensorineural hearing loss in the low frequencies can be observed after spinal anesthesia. Reported incidence rates of hearing loss after spinal anesthesia range between 0.2% and 8%. This rate can even be as high as 92% in some categories of high risk patients Aims and Objective: To study the transient hearing loss as a complication of spinal anesthesia. Materials and Method: In the present study patients were selected from the age group of 20 to 60 and having normal hearing power. Total 35 patients were enrolled in the present study. Preanesthetic examination was conducted among all the selected study patients. Detailed physical examination was also carried out and the findings were recorded in prestructured proforma. Audiometry was performed in all the patients before surgery. Repeat audiogram was taken on second and fifth day following surgery to record the hearing loss. Results: Majority of the patients (40%) were in the age group of 21-30 years followed by 31-40 years of age (25.71%). 60% patients were male and 40% were female. 88.57% patients were of ASA grade I and remaining 11.43% were of ASA grade II. 17.14% patients developed transient hearing loss. Majority of the patients (3 cases) were having hearing loss at 2000Hz. At 500Hz, 1000Hz and 4000Hz one case each was diagnosed. All the patients were followed for one month and it was observed that the hearing loss was completely revered in one month. Out of total 6 cases of hearing loss 4 were male and 2 were female. Conclusion: Thus we conclude that incidence of hearing loss was 17.14 and it was found more among male as compare to female was completely reversible.
Authors and Affiliations
Lalit Vasant Patil, Kashinath Shridhar Mahajan
Keywords
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