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Pulmonary functions in patients with epidemic dropsy
G C Khilnani1, Isha Trikha, O P Malhotra
1Department of Medicine, All India Institute of Medical Sciences, New Delhi. gckhil@hotmail.com
The Indian Journal of Chest Diseases & Allied Sciences
|April 10, 2003
Summary
Epidemic dropsy patients experienced breathing difficulties due to a restrictive ventilatory defect and reduced carbon monoxide diffusion. The likely cause was non-cardiogenic pulmonary edema, not heart issues.
Area of Science:
- Pulmonary Medicine
- Toxicology
- Epidemiology
Background:
- Epidemic dropsy is a toxicological condition.
- An outbreak occurred in Delhi in 1998, affecting 102 individuals.
- Breathlessness was a common symptom reported.
Purpose of the Study:
- To investigate the pulmonary function in patients with epidemic dropsy.
- To determine the cause of respiratory symptoms in affected individuals.
Main Methods:
- Pulmonary function tests were conducted on 13 patients.
- Chest radiography, ECG, and liver/renal function tests were performed.
- Echocardiograms were performed on 7 patients.
Main Results:
- A restrictive ventilatory defect was observed.
- Diminished diffusion capacity for carbon monoxide was noted.
- Echocardiograms were normal, ruling out cardiac causes.
Conclusions:
- The primary cause of breathlessness and lung function impairment is likely non-cardiogenic pulmonary edema.
- Pulmonary function abnormalities are significant in epidemic dropsy.
- Further research into the mechanisms of pulmonary edema in toxic exposures is warranted.