Carbon dioxide review describes aneurysm repair without iodine contrast
The review documents iodine-free procedures, but its abstract does not report whether they reduced acute kidney injury.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review describes endovascular aneurysm repair performed using carbon dioxide without iodine-based contrast. This supports the reported feasibility of that approach in standard procedures with technical precautions. However, the abstract gives no acute kidney injury rates, comparative kidney-function results or complication estimates, so it does not establish a kidney-protection benefit.
This summary uses only the abstract. It does not describe study designs, patient selection or clinical outcome results, limiting assessment of safety and any advantage over iodinated contrast.
The question and the evidence
The research question was whether an approach avoiding iodine contrast could help address kidney injury risk. The reported results mainly describe the included studies and patients, rather than testing that hoped-for clinical benefit.
What feasibility means here
The review reports 510 patients treated using carbon dioxide alone. Its conclusion concerns technical feasibility, with additional precautions and physical limitations, while comparative kidney outcomes are absent from the abstract.
The original publication
Optimizing Endovascular Aortic Repair With Carbon Dioxide: A Systematic Review Toward Zero Contrast Use.
Felici L, Vento V, Davì A et al.
Vasc Endovascular Surg · 2026
- PubMed ID
- 41061752
- Record checked
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