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Year : 2018  |  Volume : 4  |  Issue : 2  |  Page : 81-85

A study of blood lead levels in young myocardial infarction patients

1 Department of Cardiology, Chettinad Institute of Medical Sciences, Puducherry, India
2 Department of General Medicine, Pondicherry Institute of Medical Sciences, Puducherry, India
3 Department of Cardiology, Pondicherry Institute of Medical Sciences, Puducherry, India

Correspondence Address:
Sudhagar Mookkappan
Department of General Medicine, Pondicherry Institute of Medical Sciences, Kalapet, Puducherry - 605 014
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcrsm.jcrsm_26_18

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Background: The toxicity due to lead is a widely researched sphere of public interest. Positive associations have been identified between lead exposure and coronary heart disease and cardiac rhythm disturbance. This study has been undertaken in general population to determine whether the blood lead level has any role in cardiovascular disease. Aims and Objectives: To estimate the blood levels in young patients with Myocardial Infarction and compare with the older patients. Settings and Design: A descriptive cross-sectional study was conducted among 100 patients with Myocardial Infarction [MI] admitted in a private medical college over a Study Period of 12 months categorized into 2 groups of 50 each based on age <45 yrs and >45 yrs. Materials and Methods: Patients with ECG changes suggestive of Myocardial Infarction and elevated CKMB and Troponin I were included and patients with other than the conventional risk factors were excluded. Patients were further investigated for complete blood count, fasting lipid profile, serum electrolytes, 2D echocardiograph, CK-MB, Troponin I and blood lead levels. Results: The prevalence of MI was 94% and 8% in men and women of the younger group whereas 74% in men and slightly higher percentage of 26% in women of the older group. The mean blood lead levels was 8.392 mg/dl with a standard deviation of 4.5 mg/dl among younger patients as compared to mean of 15.048 mg/dl with standard deviation of 2.5 mg/dl indicating a significant increase in blood lead levels as the age progresses, though the lead levels were in normal range. Conclusion: The study revealed a significant correlation of serum lead concentration with progression of age, though no such correlation was found with Myocardial Infarction. However further studies with healthy participants, larger sample size and data in regards to specific occupation, life style and geographic location can yield significant results to attribute serum lead as a risk factor for developing cardiovascular disease.

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