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INTERNATIONAL ANGIOLOGY

Rivista di Angiologia


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 2000 September;19(3):276-279

lingua: Inglese

Relationship between aortic calcification and atherosclerotic disease in patients with abdominal aortic aneurysm

Matsushita M., Nishikimi N., Sakurai T., Nimura Y.

From the First Depart­ment of Sur­gery, ­Nagoya Uni­ver­sit, ­School of Med­i­cine, ­Nagoya, Japan


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Back­ground. Cal­cifi­ca­tion of the aor­tic wall has been used as an index of the ­degree of com­pli­cat­ed ath­e­ros­cle­rot­ic ­plaque for­ma­tion. Ath­ero­scler­o­sis in the abdom­i­nal aorta in ­patients with abdom­i­nal aor­tic aneu­rysm (AAA) was stud­ied by meas­ur­ing aor­tic cal­cifi­ca­tion via com­pu­ter­ised tomog­ra­phy.
Meth­ods. ­Design: ret­ro­spec­tive study. ­Patients: pre­op­er­a­tive com­put­er tomog­ra­phy (CT) in 129 male ­patients with a mean age of 68.6 years (range: 42 to 82) under­go­ing elec­tive aneu­rys­mec­to­my. Meas­ure­ments: a con­ven­tion­al CT scan­ner was used. Aor­tic cal­cifi­ca­tion was ­assessed at four lev­els: (A) the ori­gin of the ­coeliac ­artery, (B) the left renal vein, (C) the max­i­mum diam­e­ter of the aneu­rysm, and (D) the aor­tic bifur­ca­tion. Cal­cifi­ca­tion was grad­ed as: (0) no cal­cifi­ca­tion, (1) cal­cifi­ca­tion less than 40% of the aor­tic cir­cum­fer­ence, or (2) cal­cifi­ca­tion more than 40% of the aor­tic cir­cum­fer­ence. The rela­tion­ships ­between aor­tic cal­cifi­ca­tion at each level and var­i­ous fac­tors relat­ed to ath­ero­scler­o­sis were ana­lysed.
­Results. Max­i­mum cal­cifi­ca­tion was seen at level D, fol­lowed by lev­els C, B and A, in that order. Cal­cifi­ca­tion was less com­mon in ­patients young­er than 50 years old. Hyper­ten­sion, cor­o­nary ­artery dis­ease, and periph­er­al vas­cu­lar occlu­sive dis­ease cor­re­lat­ed with the inci­dence of aor­tic cal­cifi­ca­tion.
Con­clu­sions. A cor­re­la­tion ­between aor­tic cal­cifi­ca­tion and ath­e­ros­cle­rot­ic dis­ease was dem­on­strat­ed in ­patients with abdom­i­nal aor­tic aneu­rysm.

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