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New Study Proves That Minimally Invasive Aneurysm Treatment Yields Successful Long-Term Results
Date:8/19/2007

neurysms in the general population, basilar tip aneurysms pose particular difficulties as their position deep in the brain makes a traditional, open neurosurgical approach more dangerous for the patient. Coiling, achieved by placing a mesh of platinum wires in the aneurysm (described as a "bulge" in an artery wall), prevents the aneurysm from rupturing, a serious and often life-threatening condition.

Of the 154 patients undergoing the procedure, 114 (or 74 percent) of the aneurysms had ruptured and 40 (or 26 percent) had not. Following treatment, 144 surviving patients received clinical follow-up up to 144 months, adding up to a total of 637 patient years. Angiographic follow-up (actually viewing the site of the aneurysm using X-ray and MRI technology) conducted on 138 patients up to 122 months revealed that 27 aneurysms (17.5 percent) re-opened over time; these patients underwent additional coiling. Of this number, 11 aneurysms repeatedly re-opened and were coiled up to a total of six times. Re- bleeding occurred in only two patients, indicating an overall annual risk of 0.3 percent for re-bleeding after treatment. In all cases, aneurysm size greater than 10 mm was the only significant predictor for re-treatment at follow-up.

As these results underscore the effectiveness of coiling as a treatment option that ensures success over time, Peluso says the study also shows that in some cases coiling can be considered a staged treatment. "Our strict clinical and angiographic follow-up strategy with additional treatment when necessary was effective in preventing recurrent hemorrhage in ruptured aneurysms, or primary hemorrhage in unruptured aneurysms."

Coiling is performed by physicians specially trained to treat conditions in the brain through endovascular (or "through the artery") and minimally invasive means. Coiling and other treatments are achieved by working through a catheter or narrow tube that is inserted into the groin and threaded up through th
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SOURCE American Society of Interventional & Therapeutic
Neuroradiology

Copyright©2007 PR Newswire.

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