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  • Title: Embolization of a pulmonary arteriovenous fistula by electrolytic detachable coils: case report.
    Author: Cheung YC, Wong HF, Ng SH, Ng KK, Wan YL.
    Journal: Chang Gung Med J; 2000 Jan; 23(1):33-7. PubMed ID: 10746408.
    Abstract:
    Transarterial embolization with detachable coils is a technique commonly used for the treatment of intracranial aneurysms. We report on a patient with a pulmonary arteriovenous fistula (PAVF) treated successfully with this technique. The patient presented with a history of intermittent hemoptysis, nasal bleeding, numbness of the upper extremities, and seizures. Computed tomographic angiography and magnetic resonance angiography demonstrated a single-hole arteriovenous fistular lesion in the left lower lung. Pre-embolization superselective pulmonary angiography revealed multiple fistulae communicating to the venous sac of the lesion. Eleven detachable coils were deployed into the venous sac, with resultant total occlusion of the pulmonary arteriovenous fistula. We conclude that venous sac embolization in treating this kind of patients is effective. The combined use of a microcatheter system and electrolytic detachable coils may be an excellent technique for achieving this kind of embolization. Superselective angiographic evaluation is essential before embolization, because many occult feeders can be present in cases of high-flow PAVF.
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