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[Amiodarone pulmonary toxicity: case report].
Srpski Arhiv Za Celokupno Lekarstvo
|September 20, 2014
Summary
Amiodarone pulmonary toxicity can cause severe respiratory issues, especially in older adults. Promptly discontinuing amiodarone and initiating corticosteroid treatment can lead to significant recovery.
Area of Science:
- Cardiology
- Pulmonology
- Pharmacology
Background:
- Amiodarone, an iodine-rich antiarrhythmic, can accumulate in organs like the lungs.
- Pulmonary accumulation is influenced by patient age, amiodarone dosage, and treatment duration.
Observation:
- A 73-year-old male smoker with COPD and hypertension presented with severe dyspnea and respiratory insufficiency.
- Chest X-ray showed bilateral pulmonary shadows; amiodarone pulmonary toxicity was diagnosed via elimination and confirmed by bronchoscopy and biopsy.
- The patient had been treated with amiodarone for six years for atrial fibrillation.
Findings:
- Bronchiolitis obliterans organizing pneumonia (BOOP) was pathohistologically confirmed.
- Treatment involved amiodarone cessation and a course of intravenous and oral methylprednisolone.
- Significant subjective and objective improvement in respiratory function was observed within weeks, with complete radiographic resolution after eight months.
Implications:
- Amiodarone pulmonary toxicity is a critical consideration in elderly patients presenting with respiratory symptoms and pulmonary changes.
- Early diagnosis and intervention, including drug cessation and corticosteroid therapy, are crucial for favorable outcomes.
- This case highlights the importance of considering amiodarone toxicity even with long-term, lower-dose administration.
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