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Lung India Official publication of Indian Chest Society  
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Year : 1984  |  Volume : 2  |  Issue : 1  |  Page : 68-75

Relationship Of Carboxyhaemoglobin And Ischemic Heart Disease : Preliminary Study And Correlation between Carboxyhaemoglobin Levels And Health Morbidity In Normal Community Residing At A Busy Road Junction



Correspondence Address:
Vidya B Doshi


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A study in 173 cardiac patients, 30 normal subjects and 1178 community subjects residing at a busy road junction was carried out. Of the last group, in 780, and, in all subjects from the first two groups, COHb levels were measured on venous blood. All subjects underwent a clinical assessment. Tobacco smoking was an important factor for COHb levels in normals and in cardiac patients. There was no relation between COHb and various abnormalities in ischemic heart patients but COHb levels were higher on the first day. In the community study, COHb levels reflected the factors of traffic density, its slowing at a junction, and effect of smoking. In females, the factor of cooking fuel seemed to act additively. The health morbidity varied from 52.5 to 62.4 percent (chronic cough), from 13.3 to 19.3 percent (dyspnoea) and from 23.4 to 32.9 percent (frequent colds) in 4 zones; other prevalences were chest pain (7.8%), irritability (2.7%), headache (23.8%) and diarrhoea (11.8%). While these were slightly oftener at older ages, there was no clear relationship to the COHb levels measured. At the prevailing high levels of other pollutants (SO2, NO2, SPM) In the area, CO pollution does not seem to show detectable additional health morbidity.


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