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A Journal on Angiology

Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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International Angiology 1999 June;18(2):113-21

language: English

Three-dimen­sion­al CT angio­graph­ic assess­ment of vas­cu­lar dis­eases using var­i­ous post­proc­ess­ing tech­niques: the voxel trans­mis­sion and cruis­ing eye view meth­ods
and their respec­tive mer­its

Hayashi H., Kobayashi H., Takagi R., Kawamata H., Ichikawa T., Kumazaki T.

From the Depart­ment of Radiol­o­gy, Nip­pon Med­i­cal ­School, Tokyo, Japan


Back­ground. To ­assess the clin­i­cal use­ful­ness of three-dimen­sion­al CT angiogra­phy (3D-CTA) with newly-devel­oped three-dimen­sion­al recon­struc­tion tech­niques; voxel trans­mis­sion (VT) and cruis­ing eye view (CEV) meth­ods, for per­form­ing min­i­mal­ly inva­sive diag­nos­tic imag­ing of vas­cu­lar dis­eas­es.
Meth­ods. ­Design: ret­ro­spec­tive com­par­a­tive study. Set­ting: Uni­ver­sity Hos­pi­tal, Japan. ­Patients: fifty-five ­patients with vas­cu­lar ­lesions con­firmed by cath­e­ter angio­gra­phy (20 ­patients with aor­tic aneu­rysms, 10 ­patients with aor­tic dis-
sec­tion, and 25 ­patients with periph­er­al arte­ri­al occ­lu­sive dis­ease). Main out­come meas­ures: min­i­mal­ly inva­sive, three-dimen­sion­al diag­no­sis of vas­cu­lar dis­eas­es.
­Results. Angio­gram-like imag­es with a diag­nos­tic qual­ity sim­i­lar to that of cath­e­ter angio­gra­phy were ­obtained by the three-dimen­sion­al CT angio­gra­phy/voxel trans­mis­sion (3D-CTA/VT) meth­od. This meth­od is use­ful for treat­ment plan­ning and also val­u­able for assess­ing the effec­tive­ness of treat­ment. Three-dimen­sion­al endo­scop­ic imag­es of the ves­sel inter­i­or were ­obtained by the three-dimen­sion­al CT angio­gra­phy cruis­ing eye meth­od (3D-CTA/CEV). This also yield­ed pre­cise infor­ma­tion about the rela­tion­ship ­between the vas­cu­lar ­lesions and the aor­tic ori­fic­es.
Con­clu­sions. Three-dimen­sion­al CTA/VT and three-dimen­sion­al-CTA/CEV ­enable vis­u­al­isa­tion of vas­cu­lar ­lesions from an infi­nite num­ber of view­ing ­angles, and are use­ful as min­i­mal­ly inva­sive diag­nos­tic tech­niques for imag­ing the vas­cu­la­ture.

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