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Direct and indirect evaluation of lesions obstructing the carotid bifurcation. A comparison of Doppler spectrum analysis with angiography.

BONARDELLI, Stefano;PORTOLANI, Nazario;GIULINI, Stefano Maria;TIBERIO, Giorgio
1987-01-01
1987
Ateneo di appartenenza
LS7_6 Gene therapy, stem cell therapy, regenerative medicine
LS7_7 Surgery
INTERNATIONAL ANGIOLOGY
2-s2.0-0023612909
WOS:A1987M626400009
Inglese
6
375
382
7
3330117
The diagnostic accuracy of real-time continuous wave (c.w.) Doppler spectrum analysis and of indirect periorbital Doppler examination for detecting carotid bifurcation disease was evaluated. The results of non-invasive studies were compared with contrast arteriograms of patients studied for symptomatic cerebrovascular disease (91\%) or for asymptomatic bruits (9\%). Periorbital examination was insensitive to less than 75\% carotid stenoses and sensitivity to severe stenoses or occlusions was respectively 56\% and 85\% (mean 73\%). Mean sensitivity of real-time C.W. Doppler spectrum was 93\% and sensitivity to stenoses of less than 45\% diameter reduction was equal to 76\%, while specificity in identifying normal carotid arteries was 89\% for an accuracy of the method of 91\%. Positive and negative predicting values were respectively 89\% and 93\%. Direct Doppler interrogation of the carotid arteries with real-time C.W. Doppler spectrum analysis was able to distinguish operable stenoses from inoperable occlusions in 87\% of the cases.
Angiography; Carotid Arteries; Carotid Artery Diseases; Humans; Ultrasonography
6
info:eu-repo/semantics/article
262
M., Floriani; Bonardelli, Stefano; Portolani, Nazario; Giulini, Stefano Maria; U., Tambussi; Tiberio, Giorgio
1 Contributo su Rivista::1.1 Articolo in rivista
none
1.1 Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11379/30912
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