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Improvement in exercise performance after pulmonary arteriovenous malformation embolization.
G W Soo Hoo1, P J Julien, H V Brown
1Department of Medicine, Cedars-Sinai Medical Center, Los Angeles.
Chest
|April 1, 1990
Summary
Balloon or coil embolization effectively treats multiple pulmonary arteriovenous malformations (PAVMs), improving patient symptoms and exercise capacity. This minimally invasive procedure offers sustained functional enhancement for PAVM patients.
Area of Science:
- Cardiology
- Pulmonary Medicine
- Interventional Radiology
Background:
- Multiple pulmonary arteriovenous malformations (PAVMs) can lead to significant physiological impairment.
- Symptoms include orthodeoxia, intrapulmonary shunt, dyspnea, and reduced exercise tolerance.
Observation:
- A 32-year-old woman with multiple PAVMs presented with severe orthodeoxia, intrapulmonary shunt, dyspnea, and limited exercise tolerance.
- She underwent balloon and coil embolization targeting her three largest PAVMs.
Findings:
- Post-embolization, the patient exhibited marked improvement in symptoms, orthodeoxia, and intrapulmonary shunt.
- Objective measures showed sustained enhancement in oxygenation, reduced P(A-a)O2 difference, and increased maximum oxygen consumption during exercise.
- Functional capacity at rest and during exertion demonstrated persistent improvement.
Implications:
- Balloon and coil embolization is a safe and effective treatment for symptomatic multiple PAVMs.
- The procedure leads to significant and lasting improvements in cardiopulmonary function and exercise endurance.
- This offers a valuable therapeutic option for patients suffering from PAVM-related limitations.