Nepalese Journal of ENT Head and Neck Surgery Vol.2 No.2 Issue 2 (July-Dec 2011) 6-7 DOI: http://dx.doi.org/10.3126/njenthns.v2i2.6793
Background Noise induced hearing loss (NIHL) is a major preventable occupational health hazard. Objective To measure permanent threshold shift in traffic police personnel due to noise exposure and to examine whether it was associated with duration of noise exposure, years of work and risk factors. Methods Cross sectional, descriptive study conducted at Dhulikhel hospital, Kathmandu University Hospital in 110 responding traffic police personnel. Detailed history and clinical examination of ear, impedence audiometry and pure tone audiometry was performed. Results Mean age group was 29.82 years; 82(74.5%) were males and 28 (25.5%) were females. Mean duration of service is 11.86 years. Twenty six (23.6%) had tinnitus and 39(35.5%) had blocked sensation in ear. Sixty five (59.1%) worked between 10-19 years. Alcohol and smoking shows positive impact on NIHL (p value =0.00). Odds ratio with 95% confidence interval were 4.481 (1.925-10.432) and 6.578 (2.306-18.764) respectively. Among 73(66.4%) noise induced hearing loss positive cases, bilateral involvement was seen in 45 (40.9%) and unilateral in 28(25.4 %) cases. Among unilateral cases most were left sided. Hearing threshold at 4 kHz increased according to age and duration of service. Conclusion Traffic police personnel are in constant risk of noise induced hearing loss. Screening for hearing loss is recommended for people exposed to noise.DOI: http://dx.doi.org/10.3126/kumj.v9i4.6343 Kathmandu Univ Med J 2011;9(4):274-8
Background Foreign body in ear nose and throat are commonly encountered by otolaryngologists, pediatricians and primary care physicians. Objective The aim of this study is to analyze different types of foreign bodies and socio-demographic correlates of self-inflicted foreign body insertion in ear–nose–throat. Method This was a two year hospital based cross sectional descriptive study performed in the Department of ear nose and throat (ENT), Dhulikhel Hospital - Kathmandu University from June 2009 to June 2011 after verification from the Institutional Review Committee. Using a predesigned questionnaire, socio-demographic data was collected prospectively by examining clinically all patients attending with foreign body and interviewing the caregivers of pediatric patients after removal of foreign body. The data collected from 312 patients was entered and analyzed by using descriptive and analytical statistical methods using SPSS version 16.0. Results The mean age was 21.26 years with majority between 0-10 years (50.6%). Male predominance was noted (58.97%). Most patients or caregivers were illiterate (35.1%) or literacy up to primary level(21.12%).Foreign body of the ear was found to be most frequent ( 47.4%) and mostly they were non-living (96.1%). Most patients presented late (80%) and had history of prior attempted removal (67%). Pearsons chi square test between education level and duration of time was significant (p value- 0.0000). One way ANOVA test between type of foreign body and age was significant (p value- 0.001). Conclusion Foreign bodies are common in adult and pediatric ear, nose and throat. They can potentially be associated with significant complications if not taken care of immediately. Kathmandu University Medical Journal | Vol.10 | No. 2 | Issue 38 | Apr – June 2012 | Page 4-8 DOI: http://dx.doi.org/10.3126/kumj.v10i2.7334
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