Angiographic analysis of animal model aneurysms treated with novel polyurethane asymmetric vascular stent (P-AVS): Feasibility study

Progress in Biomedical Optics and Imaging - Proceedings of SPIE

Volumn 7262, Issue , 2009, Pages

  Ionita, Ciprian N ^a,b   Dohatcu, Andreea ^a,b   Sinelnikov, Andrey ^a,b   Sherman, Jason ^a,b   Keleshis, Christos ^a,c   Paciorek, Ann M ^a   Hoffmann, K R ^a,b,c   Bednarek, D R ^a,b,c   Rudin, S ^a,b,c  

^a UNIVERSITY AT BUFFALO   (United States)

^b UNIVERSITY AT BUFFALO   (United States)

^c the State University of New York   (United States)

Author keywords

AnEurysm treatment; Angiography; Asymmetric vascular stent; AVS; Flow modification; Hemodynamics

Indexed keywords

ACTIVE AREA; ANEURYSM TREATMENT; ANIMAL MODEL; ASYMMETRIC VASCULAR STENT; AVS; BLOOD FLOW; DIRECT FLOW; DISTAL REGIONS; ENDOVASCULAR DEVICES; ENDOVASCULAR INTERVENTIONS; FEASIBILITY STUDIES; FLOW ANALYSIS; FLOW MODIFICATION; FLOW REDUCTION; IMAGE-GUIDED; IMPINGEMENT JET; IN-VIVO; INTRACRANIAL ANEURYSMS; NECK-IN; SLOW FLOW; STENTING; VASCULAR GEOMETRY; VASCULAR STENT;

ANGIOGRAPHY; DOMES; HEMODYNAMICS; HYDRODYNAMICS; ORIFICES; PLANNING; RESOURCE ALLOCATION;

MEDICAL IMAGING;

EID: 67249113227     PISSN: 16057422     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.812628     Document Type: Conference Paper

References (22)

1. Benitez RP, Silva MT, Klem J, Veznedaroglu E, Rosenwasser RH. "Endovascular occlusion of wide-necked aneurysms with a new intracranial microstent (neuroform) and detachable coils" Neurosurgery 54, 1359-1367 ( 2004). (Pubitemid 38697908)
2. Doerfler A, Wanke I, Egelhof T, Stolke D, Forsting M, "Double-stent method: Therapeutic alternative for small wide-necked aneurysms," Journal of Neurosurgery 100, 150-154 (2004). (Pubitemid 38017832)
3. Dohatcu A, Ionita CN, Paciorek A, Bednarek DR, Hoffmann KR, Rudin S. "Endovascular image-guided treatmentof in-vivo model aneurysms with asymmetric vascular stents (avs): Evaluation with time-density curve angiographic analysis and histology," Proc. SPIE 6916, 69160P-1- 12 (2008). (Pubitemid 351747708)
4. Hoi Y, Ionita CN, Tranquebar RV, Hoffmann KR, Woodward SH, Taulbee DB, Meng H, Rudin S, "Flowmodification in canine intracranial aneurysm model by an asymmetric stent: Studies using digital subtraction angiography (dsa) and image-based computational fluid dynamics (cfd) analyses," Proc. SPIE 6143, 61430J (2006). (Pubitemid 43945204)
5. Ionita CN, Hoi Y, Meng H, Rudin S, "Particle image velocimetry (piv) evaluation of flow modification inaneurysm phantoms using asymmetric stents," Proc SPIE 5369, 295-306 (2004).
6. Ionita CN, Pacioreck A, Hoffmann KR, Bednarek DR, Yamamoto J, Kolega J, Levy EI, Hopkins LN, Rudin S,Mocco J, "Asymmetric vascular stent (avs):Feasibility study of a new low-porosity patch-containing stent," Stroke. 39,2105-2113 (2008).
7. Ionita CN, Rudin S, Hoffmann KR, Bednarek DR, "Microangiographic image-guided localization of a newasymmetric stent for treatment of cerebral aneurysms," Proc. SPIE 5744, 354-365 (2005). (Pubitemid 41091596)
8. Kallmes DF, Ding YH, Dai D, Kadirvel R, Lewis DA, Cloft HJ. "A new endoluminal, flow-disrupting device fortreatment of saccular aneurysms," Stroke 38, 2346-2352 (2007) (Pubitemid 47457579)
9. Krings T, Busch C, Sellhaus B, Drexler AY, Bovi M, Hermanns-Sachweh B, Scherer K, Gilsbach JM, Thron A,Hans FJ, "Long-term histological and scanning electron microscopy results of endovascular and operative treatments of experimentally induced aneurysms in the rabbit," Neurosurgery 59, 911-923 (2006). (Pubitemid 44579661)
10. Krings T, Hans FJ, Moller-Hartmann W, Brunn A, Thiex R, Schmitz-Rode T, Verken P, Scherer K, Dreeskamp H, Stein KP, Gilsbach JM, Thron A, "Treatment of experimentally induced aneurysms with stents," Neurosurgery 56, 1347-1359 (2005). (Pubitemid 40770464)
11. Lieber BB, Gounis MJ. "The physics of endoluminal stenting in the treatment of cerebrovascular aneurysms," Neurological Research 24:S33-S42 (2002). (Pubitemid 34625872)
12. Lieber BB, Livescu V, Hopkins LN, Wakhloo AK, "Particle image velocimetry assessment of stent design influence on intra-aneurysmal flow," Annals of Biomedical Engineering 30, 768-777 (2002). (Pubitemid 35019464)
13. Minsuok K, Ciprian I, Rekha T, Kenneth RH, Dale BT, Hui M, Stephen R. "Evaluation of an asymmetric stent patch design for a patient specific intracranial aneurysm using computational fluid dynamic (cfd) calculations in the computed tomography (ct) derived lumen," Proc. SPIE 6143, 61432G (2006).
14. Rangwala HS, Ionita CN, Rudin S, Baier RE, "Partially polyurethane-covered stent for cerebral aneurysm treatment," J Biomed Mater Res B Appl Biomater. in-print (2008).Proc. of SPIE Vol. 7262 72621H-9
15. Rudin S, Wang Z, Kyprianou I, Hoffmann KR, Wu Y, Meng H, Guterman LR, Nemes B, Bednarek DR, Dmochowski J, Hopkins LN, "Measurement of flow modification in phantom aneurysm model: Comparison of coilsand a longitudinally and axially asymmetric stent - initial findings," Radiology 231, 272-276 (2004). (Pubitemid 38375438)
16. Sherman JR, Rangwala HS, Ionita CN, Dohatcu AC, Lee JW, Bednarek DR, Hoffmann KR, Rudin S, "Investigation of new flow modifying endovascular image-guided interventional (eigi) techniques in patient-specific aneurysm phantoms (psaps) using optical imaging," Proc. SPIE 6918, 698181V (2008).
17. Wakhloo AK, Lanzino G, Lieber BB, Hopkins LN, "Stents for intracranial aneurysms: The beginning of a newendovascular era?," Neurosurgery 43, 377-379 (1998). (Pubitemid 28354653)
18. Wakhloo AK, Schellhammer F, Devries J, Haberstroh J, Schumacher M, "Self-expanding and balloon-expandable stents in the treatment of carotid aneurysms - an experimental-study in a canine model," American Journal of Neuroradiology 15, 493-502 (1994). (Pubitemid 24089539)
19. Zhou W, Ciprian NI, Stephen R, Kenneth RH, Adam BP, Daniel RB, "Angiographic analysis of blood flowmodification in cerebral aneurysm models with a new asymmetric stent," Proc. SPIE 5369, 307-318 (2004).
20. Ionita CN, Keleshis C, Patel V, Yadava G, Hoffmann KR, Bednarek DR, Jain A, Rudin S, "Implementation of ahigh-sensitivity micro-angiographic fluoroscope (hs-maf) for in-vivo endovascular image guided interventions and region-of-interest computed tomography (roi-ct)," Proc. SPIE 6918, 69181I (2008).
21. Kim M, Rangwala HS, Ionita CN, Hoffmann KR, Taulbee DB, Meng H, Rudin S, "Evaluation of the effect ofpartial asymmetric stent coverage on neurovascular aneurysm hemodynamics using computer fluid dynamics (cfd) calculations," Proc. SPIE 6509, 65092I (2007). (Pubitemid 47550055)
22. Ionita CN, Paciorek AM., Dohatcu A, Hoffmann KR., Bednarek DR., Kolega J, Levy EI., Hopkins LN, Rudin S,and Mocco JD, "The Asymmetric Vascular Stent. Efficacy in a Rabbit Aneurysm Model" Stroke, Published online before print January 8, (2009).