Document Detail

Pulmonary arteriovenous malformations: embolotherapy with superselective coaxial catheter placement and filling of venous sac with Guglielmi detachable coils.
MedLine Citation:
PMID:  12034939     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To assess the value of superselective embolotherapy of pulmonary arteriovenous malformations (PAVMs) with coaxial microcatheters and 0.018-inch microcoils and to evaluate the technique of filling the venous sac with Guglielmi detachable coils (GDCs). MATERIALS AND METHODS: Six consecutive patients (three men, three women; mean age, 46 years, age range, 18-74 years) underwent arterial embolization of nine PAVMs with superselective catheterization with a 3-F coaxial catheter system and embolization with 0.018-inch microcoils. The PAVMs varied in size from 1 to 6 cm (mean, 2.5 cm). Five of the lesions were also treated by filling the venous sac with GDCs. Success and outcome were evaluated by means of a review of patient records, angiographic findings, and telephone interview results. RESULTS: Complete primary occlusion was achieved in eight of nine lesions; repeat embolization resulted in successful occlusion of one lesion. The superselective technique enabled successful embolization in one patient after a previous procedure performed with a 0.035-inch (Gianturco) coil had failed. Filling of the venous sac was performed in the presence of dilated draining veins and enabled successful occlusion of the feeding artery with microcoils in all cases. There were no complications. CONCLUSION: Superselective embolization with microcatheters allowed easy catheterization and safe coil deployment. Filling of the venous sac reliably prevented systemic migration of GDCs in PAVMs with a large venous component.
Hans-Peter Dinkel; Jürgen Triller
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Radiology     Volume:  223     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-05-29     Completed Date:  2002-07-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  709-14     Citation Subset:  AIM; IM    
Department of Diagnostic Radiology, University of Bern, Inselspital, Freiburgstrasse 20, CH 3010 Bern, Switzerland.
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MeSH Terms
Arteriovenous Malformations / radiography,  therapy*
Embolization, Therapeutic / instrumentation*
Middle Aged
Pulmonary Artery / abnormalities*,  radiography
Pulmonary Veins / abnormalities*,  radiography
Radiography, Interventional
Retrospective Studies
Treatment Outcome

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