A systematic review of the current status of interventions for type II endoleak after EVAR for abdominal aortic aneurysms

Marethania M. Akmal*, Dara R. Pabittei, Tossapol Prapassaro, Raden Suhartono, Frans L. Moll, Joost A. van Herwaarden

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Objective: To study the mid- and long-term outcomes of type II endoleak treatment after EVAR and the technical aspects of different techniques to exclude endoleaks which different embolic agents. Methods: A systematic review was performed using the approach recommended by the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines for meta-analyses of interventional studies. The comprehensive search was conducted using the following database: MEDLINE, EMBASE, and the Cochrane Library. Patient characteristic, intervention approaches, embolic agents, and results at mid and long term follow up were studied. Results: A total of 6 studies corresponding to a total of 141 patients fulfilled the inclusion criteria with a mean age of 73–78.6 years and a mean duration of follow up varying from 25 to 42 months. There were different techniques for embolization used (translumbar, transarterial, and transcaval approach) with various types of embolic agents. In all studies, the indication for embolization of the type II endoleaks was sac enlargement of more than 5 mm. A wide range of technical success rate was reported regardless of the intervention strategy being used (17,6%–100%). The overall technical success rate of all studies was 62%. Conclusion: This systematic review shows that there is a wide variety of techniques to exclude a persistent type II endoleak. Different kinds of embolic agents have be used. Due to a lack of peer reviewed data on longterm follow-up, it was not possible to come to recommendations what treatment would be the best for a durable exclusion of a persistent type II endoleak after an initially successful EVAR. There remains an urgent need for proper executed studies, either randomized or with close observation in relation to longer follow-up.

Original languageEnglish
Article number106138
Pages (from-to)1-7
JournalInternational journal of surgery
Publication statusPublished - Nov 2021


  • Abdominal aorta aneurysm
  • Aneurysm repair
  • Endoleaks
  • Endovascular aneurysm repair
  • Type


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