Influence of Coil Geometry on Intra-Aneurysmal Packing Density: Evaluation of a New Primary Wind Technology
Introduction: This prospective randomized double-blinded in-vitro study was conducted to determine the relative Packing Density (PD) of the new Deltapaq coil (Micrus Endovascular) as compared to Micrus’s conventional filling CHE (Helipaq) and finishing CFS (Ultipaq) coils. Methods: Two physicians in...
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| Veröffentlicht in: | Vascular and endovascular surgery 2010-05, Vol.44 (4), p.289-293 |
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| creator | Quasar Grunwald, Iris Molyneux, Andrew Kühn, Anna Luisa Watson, Dave Byrne, James V. |
| description | Introduction: This prospective randomized double-blinded in-vitro study was conducted to determine the relative Packing Density (PD) of the new Deltapaq coil (Micrus Endovascular) as compared to Micrus’s conventional filling CHE (Helipaq) and finishing CFS (Ultipaq) coils. Methods: Two physicians independently deployed the coils under fluoroscopy into a 4mm berry shaped glass aneurysm. Each coil tested was a 4mm × 35cm coil specially made for this study. Physicians and observer were blinded as to the type of coil. Five samples per group, per operator, were deployed. Results: mean PD were 36.6% (Helipaq), 37.9% (Ultipaq) and 40.4% (Deltapaq). Two-sample T-test showed a significantly higher PD of Deltapaq versus Helipaq (p < 0.022). Discussion: Higher coil PD and better neck coverage may provide an increased biomechanical stability and may potentially reduce the recanalization rate of aneurysms. Conclusion: The new Deltapaq coil may have the potential to achieve higher packing densities in the treatment of aneurysms. |
| doi_str_mv | 10.1177/1538574410363916 |
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Methods: Two physicians independently deployed the coils under fluoroscopy into a 4mm berry shaped glass aneurysm. Each coil tested was a 4mm × 35cm coil specially made for this study. Physicians and observer were blinded as to the type of coil. Five samples per group, per operator, were deployed. Results: mean PD were 36.6% (Helipaq), 37.9% (Ultipaq) and 40.4% (Deltapaq). Two-sample T-test showed a significantly higher PD of Deltapaq versus Helipaq (p < 0.022). Discussion: Higher coil PD and better neck coverage may provide an increased biomechanical stability and may potentially reduce the recanalization rate of aneurysms. Conclusion: The new Deltapaq coil may have the potential to achieve higher packing densities in the treatment of aneurysms.</description><identifier>ISSN: 1538-5744</identifier><identifier>EISSN: 1938-9116</identifier><identifier>DOI: 10.1177/1538574410363916</identifier><identifier>PMID: 20403951</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Biological and medical sciences ; Cardiovascular system ; Embolization, Therapeutic - instrumentation ; Equipment Design ; Fluoroscopy ; Intracranial Aneurysm - diagnostic imaging ; Intracranial Aneurysm - therapy ; Investigative techniques, diagnostic techniques (general aspects) ; Materials Testing ; Medical sciences ; Models, Anatomic ; Models, Cardiovascular ; Prospective Studies ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Ultrasonic investigative techniques ; Vascular surgery: aorta, extremities, vena cava. 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Methods: Two physicians independently deployed the coils under fluoroscopy into a 4mm berry shaped glass aneurysm. Each coil tested was a 4mm × 35cm coil specially made for this study. Physicians and observer were blinded as to the type of coil. Five samples per group, per operator, were deployed. Results: mean PD were 36.6% (Helipaq), 37.9% (Ultipaq) and 40.4% (Deltapaq). Two-sample T-test showed a significantly higher PD of Deltapaq versus Helipaq (p < 0.022). Discussion: Higher coil PD and better neck coverage may provide an increased biomechanical stability and may potentially reduce the recanalization rate of aneurysms. Conclusion: The new Deltapaq coil may have the potential to achieve higher packing densities in the treatment of aneurysms.</description><subject>Biological and medical sciences</subject><subject>Cardiovascular system</subject><subject>Embolization, Therapeutic - instrumentation</subject><subject>Equipment Design</subject><subject>Fluoroscopy</subject><subject>Intracranial Aneurysm - diagnostic imaging</subject><subject>Intracranial Aneurysm - therapy</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Materials Testing</subject><subject>Medical sciences</subject><subject>Models, Anatomic</subject><subject>Models, Cardiovascular</subject><subject>Prospective Studies</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Ultrasonic investigative techniques</subject><subject>Vascular surgery: aorta, extremities, vena cava. 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Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Ultrasonic investigative techniques</topic><topic>Vascular surgery: aorta, extremities, vena cava. Surgery of the lymphatic vessels</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Quasar Grunwald, Iris</creatorcontrib><creatorcontrib>Molyneux, Andrew</creatorcontrib><creatorcontrib>Kühn, Anna Luisa</creatorcontrib><creatorcontrib>Watson, Dave</creatorcontrib><creatorcontrib>Byrne, James V.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Vascular and endovascular surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Quasar Grunwald, Iris</au><au>Molyneux, Andrew</au><au>Kühn, Anna Luisa</au><au>Watson, Dave</au><au>Byrne, James V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of Coil Geometry on Intra-Aneurysmal Packing Density: Evaluation of a New Primary Wind Technology</atitle><jtitle>Vascular and endovascular surgery</jtitle><addtitle>Vasc Endovascular Surg</addtitle><date>2010-05-01</date><risdate>2010</risdate><volume>44</volume><issue>4</issue><spage>289</spage><epage>293</epage><pages>289-293</pages><issn>1538-5744</issn><eissn>1938-9116</eissn><abstract>Introduction: This prospective randomized double-blinded in-vitro study was conducted to determine the relative Packing Density (PD) of the new Deltapaq coil (Micrus Endovascular) as compared to Micrus’s conventional filling CHE (Helipaq) and finishing CFS (Ultipaq) coils. 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| subjects | Biological and medical sciences Cardiovascular system Embolization, Therapeutic - instrumentation Equipment Design Fluoroscopy Intracranial Aneurysm - diagnostic imaging Intracranial Aneurysm - therapy Investigative techniques, diagnostic techniques (general aspects) Materials Testing Medical sciences Models, Anatomic Models, Cardiovascular Prospective Studies Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Ultrasonic investigative techniques Vascular surgery: aorta, extremities, vena cava. Surgery of the lymphatic vessels |
| title | Influence of Coil Geometry on Intra-Aneurysmal Packing Density: Evaluation of a New Primary Wind Technology |
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