Safety and efficacy of transcatheter embolization for pulmonary arteriovenous fistula: a 21-year retrospective study - Report - MDSpire

Safety and efficacy of transcatheter embolization for pulmonary arteriovenous fistula: a 21-year retrospective study

  • By

  • Hong Lu

  • Jianming Wang

  • Jiawang Xiao

  • Zhongchao Wang

  • Hui Yao

  • Benshen Li

  • Yuan Mi

  • Qiguang Wang

  • May 29, 2026

  • 0 min

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Clinical Report: Evaluation of the Safety and Effectiveness of TCE for PAVF

Overview

This study evaluates the safety and efficacy of transcatheter embolization (TCE) for pulmonary arteriovenous fistula (PAVF) over a 21-year period. The findings report a procedural success rate of 100% and an improvement in arterial oxygen saturation post-procedure.

Background

Pulmonary arteriovenous fistulas (PAVFs) are rare vascular malformations that can lead to serious complications such as hypoxemia and stroke. The standard treatment, transcatheter embolization (TCE), is a method used to occlude these malformations. Understanding the effectiveness and safety of TCE is crucial for patient outcomes.

Data Highlights

MeasureResult
Procedural Success Rate100%
Immediate Complete Occlusion Rate87.8%
Postoperative SaO292.0%
Preoperative SaO284.1%
Follow-up Duration19.46 ± 26.04 months
Fever Incidence7.14%
Pleural Effusion Incidence3.57%
Reperfusion Rate (ADO II group)14.29%

Key Findings

  • The procedural success rate for TCE was reported as 100% across 28 patients.
  • Postoperative arterial oxygen saturation increased from 84.1% to 92.0% (P < 0.001).
  • Immediate complete occlusion was achieved in 87.8% of cases.
  • Complications included fever (7.14%) and pleural effusion (3.57%).
  • Reperfusion occurred in 14.29% of patients in the ADO II group, with no significant differences among other groups.

Clinical Implications

The high procedural success rate and significant improvement in oxygen saturation suggest that TCE is a safe and effective treatment for PAVFs. Clinicians should consider the type of occluder used, as it may influence outcomes.

Conclusion

TCE for PAVFs demonstrates procedural success rates and outcomes as reported in the study.

Related Resources & Content

  1. ACR Appropriateness Criteria® Pulmonary Arteriovenous Malformation (PAVM): 2023 Update - PubMed
  2. Transarterial Embolization for Pulmonary Arteriovenous Malformation: A Systematic Review and Meta-Analysis - ScienceDirect
  3. European Radiology — Safety and Efficacy of Small Particle Bronchial Artery Embolization: Insights from a 12-Year Single-Center Study
  4. First-Line Transarterial Embolization for Dural Arteriovenous Fistulas in the Anterior Cranial Fossa: Insights from a Retrospective Study at a Single Center
  5. Clinical Research in Cardiology — Evaluating Technical Efficacy and Clinical Results in Pulmonary Embolism Patients Undergoing Ultrasound-Assisted Catheter-Directed Thrombolysis: A Retrospective Study from a Single Center
  6. European Radiology — Management Strategies for Pulmonary Artery Pseudoaneurysms and Evaluation of Clinical Outcomes
  7. ACR Appropriateness Criteria® Pulmonary Arteriovenous Malformation (PAVM): 2023 Update - PubMed
  8. Transarterial Embolization for Pulmonary Arteriovenous Malformation: A Systematic Review and Meta-Analysis - ScienceDirect
  9. Effectiveness of Embolization for Pulmonary Arteriovenous Malformations from Distal of the Last Normal Branch of the Pulmonary Artery - PubMed
  10. Postembolization Persistence of Pulmonary Arteriovenous Malformations: A Retrospective Comparison of Coils and Amplatzer and Micro Vascular Plugs Using Propensity Score Weighting - PubMed
  11. Evolving strategies in pulmonary arteriovenous malformation embolization | CVIR Endovascular | Springer Nature Link
  12. An Update on Embolization for Pulmonary Arteriovenous Malformations - PMC
  13. Pulmonary arteriovenous malformation (PAVM) embolization: prediction of angiographically-confirmed recanalization according to PAVM Diameter changes on CT | CVIR Endovascular | Full Text

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