Key result
Open conversion is linked to higher mortality but ~76% fewer recurrent endoleaks vs endovascular repair.
Cohort (n=403)
Yes
Absolute Event Rate: 3.5% vs 0.6%
p-value: p=0.04
Open conversion may reduce recurrent endoleaks at higher perioperative mortality risk; leaves open optimal management of persistent type II endoleak after EVAR.
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Dorigo et al. (2026) conducted a cohort in Persistent type II endoleak following EVAR (n=403). Open conversion or semiconversion vs. Endovascular repair was evaluated on 30-day mortality (p=0.04). Open conversion for persistent type II endoleak had higher 30-day mortality (3.5% vs 0.6%) than endovascular repair, but resulted in fewer recurrent endoleaks (15% vs 62%) at 5 years.
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