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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 2003 Dicembre;22(4):340-3

lingua: Inglese

The prevalence of asymptomatic arterial obstruction in the lower extremities among men and women 60 to 69 years of age

Jensen S. A. 1, Vatten L. J. 1, Romundstad P. R. 1, Myhre H. O. 2

1 Depart­ment of Com­mu­nity Med­i­cine and Gen­er­al Prac­tice, Nor­we­gian Uni­ver­sity of Sci­ence and Tech­nol­o­gy, Uni­ver­sity Med­i­cal Cen­ter, Trond­heim, Nor­way
2 Depart­ment of Sur­gery, Nor­we­gian Uni­ver­sity of Sci­ence and Tech­nol­o­gy, Uni­ver­sity Med­i­cal Cen­ter, Trond­heim, Nor­way


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Aim. To esti­mate the prev­a­lence of asymp­to­mat­ic arte­ri­al obstruc­tion in the lower extrem­ities in men and women 60 to 69 years of age.
Meth­ods. A sam­ple of 333 par­tic­i­pants ­between 60 to 69 years of age attend­ed a phys­i­cal exam­ina­tion as part of a pop­u­la­tion based ­health study in Nord-­Trøndelag ­County, Nor­way (the HUNT Study). The total prev­a­lence of arte­ri­al obstruc­tion was ­defined as the pro­por­tion of sub­jects with ankle bra­chi­al pres­sure index lower than 0.9 (ABPI<0.9). Fur­ther, the pro­por­tion of par­tic­i­pants with arte­ri­al obstruc­tion who also report­ed symp­toms of inter­mit­tent claud­i­ca­tion was ­defined as hav­ing symp­to­mat­ic arte­ri­al obstruc­tion. Final­ly, the prev­a­lence of asymp­to­mat­ic arte­ri­al obstruc­tion was cal­cu­lat­ed as the dif­fer­ence ­between the total prev­a­lence of arte­ri­al obstruc­tion and the prev­a­lence of symp­to­mat­ic arte­ri­al obstruc­tion.
­Results. The total prev­a­lence of arte­ri­al obstruc­tion as ­defined by ABPI<0.9 was 7.8%. The prev­a­lence was slight­ly high­er among men (9.2%) than among women (6.9%), but the dif­fer­ence was not sta­tis­ti­cal­ly sig­nif­i­cant (p-value=0.5). The prev­a­lence of asymp­to­mat­ic arte­ri­al obstruc­tion was 6.3%, indi­cat­ing that asymp­to­mat­ic dis­ease was approx­i­mate­ly 4 times as fre­quent as symp­to­mat­ic arte­ri­al obstruc­tion (1.5%). The prev­a­lence of asymp­to­mat­ic arte­ri­al obstruc­tion was near­ly iden­ti­cal for men (6.2%) and women (6.4%).
Con­clu­sion. The total prev­a­lence of arte­ri­al obstruc­tion as ­defined by an ABPI<0.9 was 7.8% in this age group, and the prev­a­lence of asymp­to­mat­ic dis­ease was 6.3%. Thus, only 1 in 5 per­sons who had objec­tive­ly meas­ured arte­ri­al obstruc­tion indi­cat­ed symp­toms of inter­mit­tent claud­i­ca­tion.

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