Aneurysm Shape Reconstruction from Biplane Angiograms in the ISUIA Collection

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• 作者：Madhavan L. Raghavan (1)
  Gaurav V. Sharda (1)
  John Huston III (2)
  J Mocco (3)
  Ana W. Capuano (4)
  James C. Torner (4)
  Punam K. Saha (5)
  Irene Meissner (6)
  Robert D. Brown Jr. (6)
  
• 关键词：Aneurysm ; Rupture risk ; Morphology ; Angiograms
• 刊名：Translational Stroke Research
• 出版年：2014
• 出版时间：April 2014
• 年：2014
• 卷：5
• 期：2
• 页码：252-259
• 全文大小：1,443 KB
• 参考文献：1. Forbes G, Fox AJ, Huston J, et al. Interobserver variability in angiographic measurement and morphologic characterization of intracranial aneurysms: a report from the International Study of Unruptured Intracranial Aneurysms. AJNR Am J Neuroradiol. 1996;17(8):1407-5.
  2. Wiebers DO, Whisnant JP, Huston J, et al. Unruptured intracranial aneurysms: natural history, clinical outcome, and risks of surgical and endovascular treatment. Lancet. 2003;362(9378):103-0. doi:10.1016/S0140-6736(03)13860-3 . CrossRef
  3. Raghavan ML, Ma B, Harbaugh RE. Quantified aneurysm shape and rupture risk. J Neurosurg. 2005;102(2):355-2. doi:10.3171/jns.2005.102.2.0355 . CrossRef
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  5. Piccinelli M, Steinman DA, Hoi Y, et al. Automatic neck plane detection and 3D geometric characterization of aneurysmal sacs. Ann Biomed Eng. 2012;40(10):2188-11. doi:10.1007/s10439-012-0577-5 . CrossRef
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  12. Sederberg TW, Greenwood E. Linear B-spline curves and polygon shape blending. In: Dhlen M, Lyche T, Schumaker LL, editors. Mathematical methods in computer aided geometric design III. Nashville: Vanderbilt University Press; 1995. p. 1-0.
  13. Ramachandran M, Laakso A, Harbaugh RE, et al. On the role of modeling choices in estimation of cerebral aneurysm wall tension. J Biomech. 2012;45(16):2914-. doi:10.1016/j.jbiomech.2012.07.029 . CrossRef
  14. Ma B, Harbaugh RE, Raghavan ML. Three-dimensional geometrical characterization of cerebral aneurysms. Ann Biomed Eng. 2004;32(2):264-3. CrossRef
  15. Piotin M, Daghman B, Mounayera C, et al. Ellipsoid approximation versus 3D rotational angiography in the volumetric assessment of intracranial aneurysms. AJNR Am J Neuroradiol. 2006;27(4):839-2.
  16. Ujiie H, Tamano Y, Sasaki K, et al. Is the aspect ratio a reliable index for predicting the rupture of a saccular aneurysm? Neurosurgery. 2001;48:495-02. discussion 502-03. CrossRef
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• 作者单位：Madhavan L. Raghavan (1)
  Gaurav V. Sharda (1)
  John Huston III (2)
  J Mocco (3)
  Ana W. Capuano (4)
  James C. Torner (4)
  Punam K. Saha (5)
  Irene Meissner (6)
  Robert D. Brown Jr. (6)
  
  1. Department of Biomedical Engineering, University of Iowa, Iowa City, IA, 52242, USA
  2. Department of Radiology, Mayo Clinic, Rochester, MN, USA
  3. Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
  4. Department of Epidemiology, University of Iowa, Iowa City, IA, USA
  5. Department of Electrical and Computer Engineering, University of Iowa, Iowa City, IA, USA
  6. Department of Neurology, Mayo Clinic, Rochester, MN, USA
  
• ISSN：1868-601X

文摘

The International Study of Unruptured Intracranial Aneurysms (ISUIA) is an epidemiologic international study of the natural history of unruptured intracranial aneurysms that enrolled 4,060 subjects. A conventional biplane cerebral angiogram available for central review was required for enrollment resulting in a large database. Data on aneurysms that ruptured during follow-up of the 1,692 untreated subjects provides an opportunity to investigate the anatomic features that may be predictive of future rupture. The objective of the study is to develop and test a method for three-dimensional (3D) shape reconstruction of aneurysms using biplane angiographic data in the ISUIA for retrospective morphometric assessment. Beginning with the two boundaries of the biplane views, curve morphing techniques were employed to estimate a number of intermediate boundaries around the aneurysm sac resulting in the creation of a 3D sac surface. The method was tested using simulated biplane “angiograms-of pre-reconstructed 3D models of patient-specific aneurysms. An algorithm to perform the image analysis was developed, and the morphometric indices of 150 intracranial aneurysms in the ISUIA database were estimated. Simultaneously, experienced neuroradiologists made manual measurements of key dimensions in the sac from the biplane angiograms for all cases. 3D reconstructions using our proposed method matched well with the original pre-reconstructed 3D geometries and were consistent with manual measurements of the neuroradiologists for the ISUIA aneurysms. A method for reconstructing the 3D geometry of the intracranial aneurysm sac from biplane angiograms in the ISUIA database with reasonable fidelity has been developed.