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Veeraiah, Shivakumar
- Effect of Traffic Noise on Hearing in City Bus Drivers of Bangalore
Authors
1 Department of Physiology, Bangalore Medical College and Research Institute, Bangalore, IN
Source
Indian Journal of Public Health Research & Development, Vol 4, No 3 (2013), Pagination: 227-230Abstract
Objective: To study whether the duration of exposure to noise significantly affects hearing threshold level in bus drivers.
Materials and method: Study was conducted on 30 male drivers working in Bangalore Metropolitan Transport Corporation (BMTC), Bangalore, between the age group 20 - 50 years and pure tone audiometric evaluation was done.
Results: Drivers with more no. of years of job experience had high levels of hearing threshold (p<0.001) both for lower and higher frequencies but significantly more for higher frequency. This study shows that hearing loss is found in drivers at an earlier age since majority were between 30-40 years.
Conclusion: The risk of hearing loss and injury to ears increase with the sound intensity, duration of exposure to noise and individual susceptibility. Awareness has to be created in drivers by implementing education and training programs has to be conducted about the hearing protectors.
Keywords
Bus Drivers, Hearing Loss, Hearing Threshold, Traffic Noise
References
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- Correlation Study of Duration of Type 2 Diabetes with Severity of Neuropathy
Authors
1 Department of Physiology, Bangalore Medical College & Research Institute, Fort, K R road, Bangalore, IN
2 Department of Physiology, Bangalore Medical College & Research institute, Bangalore, IN
Source
Indian Journal of Public Health Research & Development, Vol 4, No 4 (2013), Pagination: 60-64Abstract
Background: Duration of diabetes mellitus is an important risk factor for all diabetes-related microvascular complications such as neuropathy, retinopathy, and nephropathy. Up to 7.5% of patients with non-insulin-dependent diabetes mellitus (NIDDM) have clinical neuropathy at the time of diagnosis and this rate increases to 50% among patients who have had diabetes for 25 years.
Objective: The present population study was done to assess the correlation of severity of diabetic neuropathy (mild, moderate, and severe) in type 2 diabetes mellitus with that of the duration of disease
Materials and Method: A population-based sample of 60 persons with type-2 diabetes (identified as per the WHO criteria) underwent Vibration perception threshold (VPT) measurements for diabetic neuropathy grading. Severity of neuropathy was graded into three groups based on VPT score as mild (20-24.99 V), moderate (25-38.99 V), and severe (≥39 V). Chi square test was done to analyze the correlation between duration of the disease and the severity of neuropathy.
Results: There was a positive correlation between the duration of DM & severity of neuropathy, the correlation coefficient was 0.414 and this was statistically significant (p<0.001).
Conclusions: The results suggested highly significant correlation between severity of diabetic neuropathy in type 2 diabetes mellitus with that of the duration of disease, making this group vulnerable for complications such as foot ulceration or lower limb amputation. Preventive strategies and patient education still remain key factors in reducing complication rates and mortality.
Keywords
Type-2 Diabetes Mellitus, NeuropathyReferences
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