Safety and efficacy of transcatheter embolization for pulmonary arteriovenous fistula: a 21-year retrospective study
Abstract
Background: This study aimed to evaluate the safety and efficacy of transcatheter embolization (TCE) for pulmonary arteriovenous fistula (PAVF).
Methods: From January 1, 2003 to December 31, 2024, 28 patients (13 male, 15 female) with 41 PAVFs underwent TCE. Changes in arterial oxygen saturation (SaO2), procedural success rate, reperfusion rate, and complications were evaluated.
Results: The procedural success rate was 100%, with an immediate complete occlusion rate of 87.8%.Postoperative SaO2 was significantly higher than that before operation (92.0% vs. 84.1%, P n = 6], MemoPart PDA occluder group [n = 22], ADO II group [n = 7], and AVP I group [n = 6]). The average diameter of the arteries was 3.17 ± 0.7 mm, 11.86 ± 3.31 mm, 5.98 ± 2.54 mm, and 8.72 ± 3.78 mm, respectively, showing a statistically significant difference between groups (P P = 0.463).
Conclusion: The adaptable utilization of various occluders can enhance the success rate of achieving effective occlusion. TCE for PAVFs demonstrates high safety and efficacy, with excellent procedural success rates and sustained long-term outcomes.
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