Study Results Presented for Micrus's DeltaPaq

 

July 23, 2009—Micrus Endovascular Corporation (San Jose, CA) announced that study results demonstrated that the company's DeltaPaq microcoil design appears to improve the uniformity of coil distribution within a cerebral aneurysm and the degree of microcoil packing in the aneurysm dome and neck, which may reduce the risk of aneurysm recurrence. The results were presented at the 10th Congress of the World Federation of Interventional and Therapeutic Neuroradiology held June 29 to July 3 in Montreal, Quebec, Canada. Bernard R. Bendok, MD, and Matthew Gounis, PhD, served as principal investigators for the Micrus-sponsored in vitro study. Dr. Benok stated that the objective of this study was to assess whether the type of coil used had an affect on packing density and coil distribution within an aneurysm.

"Conventional thinking has been that higher packing density reduces coil compaction and therefore leads to fewer retreatments," commented Dr. Bendok. "This study suggests that the DeltaPaq microcoil may improve uniformity of coil distribution and demonstrated that DeltaPaq had a statistically significant greater packing density compared with traditional helical and complex coil designs. Uniformity of distribution, which was found to be superior with DeltaPaq, is a possible predictor of treatment durability."

Ron Benitez, MD, added, "My experience is that with Micrus's Cerecyte coils I see better outcomes than I did when using bare platinum coils. My approach is to frame with 1 or 2 Presidio Cerecyte or MicruSphere coils, followed almost exclusively by DeltaPaq Cerecyte coils. The DeltaPaq coil is more conformable than other filling coils and therefore able to better find open voids in the aneurysm, leading to more complete packing or filling of the aneurysm. I believe that the combination of Cerecyte with DeltaPaq's filling capabilities will lead to a further reduction in my recanalization and retreatment rates."
 

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