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Sex differences in chronic cor pulmonale in delhi
British Journal of Diseases of the Chest
|October 1, 1976
Summary
Chronic cor pulmonale affects men and women equally in Delhi, but women experience earlier, more severe heart failure. This is linked to lung damage from prolonged exposure to smoky cooking fuels.
Area of Science:
- Cardiology
- Pulmonology
- Environmental Health
Background:
- Chronic cor pulmonale is a significant cause of heart disorder admissions in Delhi, India.
- The condition shows striking sex differences in prevalence and presentation.
- Previous studies have not fully elucidated the etiological factors contributing to these differences.
Purpose of the Study:
- To investigate the sex-specific differences in chronic cor pulmonale.
- To identify potential environmental and lifestyle risk factors associated with the disease in women.
- To understand the underlying mechanisms leading to earlier and more severe heart failure in women.
Main Methods:
- A 15-year observational study of 766 patients (239 men, 527 women) with chronic cor pulmonale.
- Data collection included smoking habits, cooking fuel exposure, socioeconomic status, and associated lung disorders.
- Clinical assessment of heart failure severity, heart size, and pulmonary function.
Main Results:
- Chronic cor pulmonale was equally common in men and women, accounting for 20% of heart disorder admissions.
- Women, predominantly from lower socioeconomic strata, were exposed to smoky cooking fuels from girlhood.
- Women developed heart failure 10-15 years earlier, with more severe congestive failure and greater pulmonary dysfunction compared to men.
Conclusions:
- Exposure to smoky cooking fuels from an early age is a primary cause of chronic cor pulmonale in women in Delhi.
- Repeated chest infections likely exacerbate lung damage, leading to earlier and more severe heart failure.
- Environmental and occupational exposures play a critical role in the pathogenesis of chronic cor pulmonale, particularly in vulnerable populations.
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