Primary treatment of carotid aneurysms with Dacron-covered stent-grafts is effective. However, the short-term patency rate is poor, which probably can be attributed to the limited biocompatibility of the Dacron cover. An acute inflammatory reaction against Dacron seems responsible for the poor patency rate.
Administering CO2 in brain supplying arteries impairs the cerebral function. Consecutive, increasing doses lead to partly nonreversible electroencephalographic and SEP changes and brain tissue damages.
Intraarterial DSA remains the gold standard for evaluation of carotid artery stenosis, because DSA is the modality which shows the whole length of the carotid artery and yields information on tandem lesions and collateral flow.
CT angiography is best suited to evaluate results after carotid surgery. The method enables delineation of complete removal of calcified plaque and patency of carotid artery.
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