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Lung India Official publication of Indian Chest Society  
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ORIGINAL ARTICLE
Year : 2012  |  Volume : 29  |  Issue : 1  |  Page : 6-10

Co-morbidities among silicotics at Shakarpur: A follow up study


1 Research Director, Population Services International, New Delhi, India
2 Professor of Pulmonology, Pramukhswamy Medical College, Karamsad, India
3 Chief Biostatistican and Research Manager, Central Research Services, Charutar Arogya Mandal, Karamsad, India

Correspondence Address:
Nayanjeet Chaudhury
Research Director, Population Services International, DD-12, Kalkaji Extension, New Delhi-110019
India
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Source of Support: The Charutar Arogya Mandal, Karamsad, and Peoplesí Training and Research Centre, Vadodara, Conflict of Interest: None


DOI: 10.4103/0970-2113.92348

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Context: Studies have revealed high morbidity and mortality among agate stone workers of Shakarpur due to silicosis. Besides the fatal disease, the workers also suffer from debilitating co-morbidities especially tuberculosis and under nutrition. Aims: The present study describes few co-morbidities and their influence in mortality in cases of silicosis that were followed for 30 months at Shakarpur. Settings and Design: Shakarpur, Khambhat of Gujarat. Materials and Methods: Spirometry for lung function, chest X-ray, anthropometry, body fat % measurement, record of tuberculosis status and ILO classification of pneumoconiosis were done among 53 chest symptomatic patients above 15 years of age who were followed for 30 months. Results: Out of 53 participants (35 men), with an average duration of exposure to free silica of 16.8 years, more than half of the male workers were underweight (BMI<18.5 kg/m 2 ) at enrollment. Thirteen participants died in less than 3 years of follow up. While 11 of them were silicosis positive out of which 10 had tuberculosis. The odds ratio for association between silicosis and tuberculosis was 2.75. A majority (81.1%) of the 37 silicosis positive cases showed a mixed pattern in spirometry suggesting co-existence of restrictive and obstructive pathology. On regression analysis, TB and nutritional status were found to have strong influence on mortality. Conclusions: Screening for early diagnosis of silicosis as well as co-morbid conditions and managing them would go a long way in prolonging the lives of the agate stone workers who are prone to die early due to silicosis.


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