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23. Severity of Asymptomatic Carotid Stenosis and Risk of Ipsilateral Hemispheric Ischaemic Events: Results from the ACSRS Study

Author

Nicolaides, A, Kakkos, S, Griffin, M, Sabetai, M, Dhanjil, S, Tegos, T, Thomas, D, Giannoukas, A, Geroulakos, G, Georgiou, N, Francis, S, Ioannidou, E, Doré, C, Adovasio, R, Ziani, B, Aló, E, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, DeRango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopolous, E, Andreadis, E, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbie, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardilleas, n, Aloi, T, Salerno, M, Fernandes, J., BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, Nicolaides, A, Kakkos, S, Griffin, M, Sabetai, M, Dhanjil, S, Tegos, T, Thomas, D, Giannoukas, A, Geroulakos, G, Georgiou, N, Francis, S, Ioannidou, E, Doré, C, Adovasio, R, Ziani, B, Aló, E, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopolous, E, Andreadis, E, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbie, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardilleas, N, Aloi, T, Salerno, M, Fernandes, J, NICOLAIDES A N, KAKKOS S K, GRIFFIN M, SABETAI M, DHANJIL S, TEGOS T, THOMAS D J, GIANNOUKAS A, GEROULAKOS G, GEORGIOU N, FRANCIS S, IOANNIDOU E, and NOVO S

Subjects
Risk, medicine.medical_specialty, medicine.medical_treatment, Carotid Stenosi, Predictive Value of Test, Carotid endarterectomy, Severity of Illness Index, Asymptomatic, Brain Ischemia, chemistry.chemical_compound, Cerebrovascular Accident, medicine.artery, Internal medicine, Severity of illness, NASCET, MED/22 - CHIRURGIA VASCOLARE, medicine, Carotid, Stenosis, Medicine(all), Ultrasonography, Doppler, Duplex, Creatinine, business.industry, Risk Factor, Incidence (epidemiology), medicine.disease, major clinical study, Ultrasonography, Duplex, Doppler, chemistry, Predictive value of tests, Cardiology, Surgery, ECST, Radiology, Internal carotid artery, medicine.symptom, Cardiology and Cardiovascular Medicine, business, Human
Abstract

Objectives. This study determines the risk of ipsilateral ischaemic neurological events in relation to the degree of asymptomatic carotid stenosis and other risk factors. Methods. Patients (n = 1115) with asymptomatic internal carotid artery (ICA) stenosis greater than 50% in relation to the bulb diameter were followed up for a period of 6-84 (mean 37.1) months. Stenosis was graded using duplex, and clinical and biochemical risk factors were recorded. Results. The relationship between ICA stenosis and event rate is linear when stenosis is expressed by the ECST method, but S-shaped if expressed by the NASCET method. In addition to the ECST grade of stenosis (RR 1.6; 95% CI 1.21-2.15), history of contralateral TIAs (RR 3.0; 95% CI 1.90-4.73) and creatinine in excess of 85 μmol/L (RR 2.1; 95% CI 1.23-3.65) were independent risk predictors. The combination of these three risk factors can identify a high-risk group (7.3% annual event rate and 4.3% annual stroke rate) and a low risk group (2.3% annual event rate and 0.7% annual stroke rate). Conclusions. Linearity between ECST percent stenosis and risk makes this method for grading stenosis more amenable to risk prediction without any transformation not only in clinical practice but also when multivariable analysis is to be used. Identification of additional risk factors provides a new approach to risk stratification and should help refine the indications for carotid endarterectomy. © 2005 Elsevier Ltd. All rights reserved.

Published
2005
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25. Asymptomatic internal carotid artery stenosis and cerebrovascular risk stratification

Author

Nicolaides, Andrew N, Kakkos, Stavros K., Kyriacou, Efthyvoulos, Griffin, Maura, Sabetai, Michael, Thomas, Dafydd J., Tegos, Thomas, Geroulakos, George, Labropoulos, Nicos, Dor, Caroline J., Morris, Tim P., Naylor, Ross, Abbott, Anne L., Adovasio, Roberto, Ziani, B., Alò, F. P., Cicilioni, C. G., Ambrosio, G., Andreev, A., Andreozzi, G. M., Verlato, F., Camporese, G., Arosio, E., Barkauskas, E., Barros D'Sa, A. A. B., Brannigan, P., Batchvarova, V., Dramov, A., Belardi, P., Novelli, Gp, Simoni, G., Bell, P., Biasi, G. M., Mingazzini, P., Bornstein, N. M., Bouchier Hayes, D., Fitzgerald, P., Cairols, M. A., Cao, P. G., Derango, P., Carboni, G. P., Geoffredo, C., Catalano, M., Chambers, B., Goetzmann, M., Dickinson, A., Clement, D., Bobelyn, M., Coccheri, S., Conti, E., Diamantopoulos, E., Andreadis, E. A., Dimakakos, P. B., Kotsis, T., Eikelboom, B., Entz, L., Ferrari Bardile, Null, Aloi, T., Salerno, M., Fernandes e. Fernandes, J., Pedro, L., Fitzgerald, D. E., O'Shaunnersy, Anne, Fletcher, J., Forconi, S., Cappeli, R., Bicchi, M., Arrigucci, S., Gallai, V., Cardaiolli, G., Geroulakos, G., Kakkos, S., Gomez Isaza, L. F., Gorgoyannis, G., Liasis, N., Graf, M., Guarini, P., Hardy, S., Harris, P., Aston, S., Iosa, G., Katsamouris, A., Giannoukas, A., Krzanowski, M., Ladurner, G., Leal Monedero, J., Lee, B. B., Liapis, C., Galanis, P., Liboni, W., Pavanelli, E., Mannarino, E., Vaudo, G., Mccollum, P., Levison, R., Micieli, G., Bosone, D., Middleton, L., Pantziaris, M., Tyllis, T., Minar, E., Willfort, A., Moggi, L., Nenci, G., Radicchia, S., Nicolaides, A., Thomas, D, Norgren, L., Ribbe, E., Novo, S., Tantillo, R., Olinic, D., Paaske, W., Pagnan, A., Pauletto, P., Pagliara, V., Pettina, G., Pratesi, C., Matticari, S., Polivka, J., Sevcik, P., Poredos, P., Blinc, A., Videcnik, V., Pujia, A., Raso, A., Rispoli, P., Conforti, M., Robinson, T., Dennis, M. S. J., Rosfors, S., Rudofsky, G., Schroeder, T., Gronholdt, M. L., Finocchi, C., Rodriguez, G., Spartera, C., Ventura, M., Scarpelli, P., Sprynger, M., Sadzot, B., Hottermans, C., Moonen, Null, Taylor, P. R., Tovar Pardo, A., Negreira, J., Vayssairat, M., Faintuch, J. M., Valaikiené, J., Walker, M. G., Wilkinson, A. R., Nicolaides, A, Kakkos, S, Kyriacou, E, Griffin, M, Sabetai, M, Thomas, D, Tegos, T, Geroulakos, G, Labropoulos, N, Dor, C, Morris, T, Naylor, R, Abbott, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, E, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardileah, N, Aloi, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbp, N, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, A, Nicolaides, Andrew N, Kakkos, Stavros K., Kyriacou, Efthyvoulo, Griffin, Maura, Sabetai, Michael, Thomas, Dafydd J., Tegos, Thoma, Geroulakos, George, Labropoulos, Nico, Dor, Caroline J., Morris, Tim P., Naylor, Ro, Abbott, Anne L., Adovasio, Roberto, Ziani, B., Alò, F. P., Cicilioni, C. G., Ambrosio, G., Andreev, A., Andreozzi, G. M., Verlato, F., Camporese, G., Arosio, E., Barkauskas, E., Barros D'Sa, A. A. B., Brannigan, P., Batchvarova, V., Dramov, A., Belardi, P., Novelli, Gp, Simoni, G., Bell, P., Biasi, G. M., Mingazzini, P., Bornstein, N. M., Bouchier Hayes, D., Fitzgerald, P., Cairols, M. A., Cao, P. G., Derango, P., Carboni, G. P., Geoffredo, C., Catalano, M., Chambers, B., Goetzmann, M., Dickinson, A., Clement, D., Bobelyn, M., Coccheri, S., Conti, E., Diamantopoulos, E., Andreadis, E. A., Dimakakos, P. B., Kotsis, T., Eikelboom, B., Entz, L., Ferrari Bardile, Null, Aloi, T., Salerno, M., Fernandes e. Fernandes, J., Pedro, L., Fitzgerald, D. E., O'Shaunnersy, Anne, Fletcher, J., Forconi, S., Cappeli, R., Bicchi, M., Arrigucci, S., Gallai, V., Cardaiolli, G., Geroulakos, G., Kakkos, S., Gomez Isaza, L. F., Gorgoyannis, G., Liasis, N., Graf, M., Guarini, P., Hardy, S., Harris, P., Aston, S., Iosa, G., Katsamouris, A., Giannoukas, A., Krzanowski, M., Ladurner, G., Leal Monedero, J., Lee, B. B., Liapis, C., Galanis, P., Liboni, W., Pavanelli, E., Mannarino, E., Vaudo, G., Mccollum, P., Levison, R., Micieli, G., Bosone, D., Middleton, L., Pantziaris, M., Tyllis, T., Minar, E., Willfort, A., Moggi, L., Nenci, G., Radicchia, S., Nicolaides, A., Norgren, L., Ribbe, E., Novo, S., Tantillo, R., Olinic, D., Paaske, W., Pagnan, A., Pauletto, P., Pagliara, V., Pettina, G., Pratesi, C., Matticari, S., Polivka, J., Sevcik, P., Poredos, P., Blinc, A., Videcnik, V., Pujia, A., Raso, A., Rispoli, P., Conforti, M., Robinson, T., Dennis, M. S. J., Rosfors, S., Rudofsky, G., Schroeder, T., Gronholdt, M. L., Finocchi, C., Rodriguez, G., Spartera, C., Ventura, M., Scarpelli, P., Sprynger, M., Sadzot, B., Hottermans, C., Moonen, Null, Taylor, P. R., Tovar Pardo, A., Negreira, J., Vayssairat, M., Faintuch, J. M., Valaikiené, J., Walker, M. G., and Wilkinson, A. R.

Subjects
Male, Carotid Stenosi, carotid artery stenosis, Brain Ischemia, 80 and over, MED/22 - CHIRURGIA VASCOLARE, Carotid Stenosis, Cerebrovascular disease, cerebrovascular risk, Stroke, Ultrasonography, Aged, 80 and over, Middle Aged, cardiovascular system, Female, Radiology, Internal carotid artery, medicine.symptom, Cardiology and Cardiovascular Medicine, Carotid Artery, Internal, Adult, Aged, Amaurosis Fugax, Humans, ROC Curve, Risk Assessment, Surgery, Human, medicine.medical_specialty, Asymptomatic, Central nervous system disease, medicine.artery, medicine, Asymtomatic carotid stenosis, cardiovascular diseases, Risk factor, carotid surgery, Vascular disease, business.industry, Amaurosis fugax, medicine.disease, Internal, Stenosis, atherosclerosis, Carotid Artery, business
Abstract

Background: The purpose of this study was to determine the cerebrovascular risk stratification potential of baseline degree of stenosis, clinical features, and ultrasonic plaque characteristics in patients with asymptomatic internal carotid artery (ICA) stenosis. Methods: This was a prospective, multicenter, cohort study of patients undergoing medical intervention for vascular disease. Hazard ratios for ICA stenosis, clinical features, and plaque texture features associated with ipsilateral cerebrovascular or retinal ischemic (CORI) events were calculated using proportional hazards models. Results: A total of 1121 patients with 50% to 99% asymptomatic ICA stenosis in relation to the bulb (European Carotid Surgery Trial [ECST] method) were followed-up for 6 to 96 months (mean, 48). A total of 130 ipsilateral CORI events occurred. Severity of stenosis, age, systolic blood pressure, increased serum creatinine, smoking history of more than 10 pack-years, history of contralateral transient ischemic attacks (TIAs) or stroke, low grayscale median (GSM), increased plaque area, plaque types 1, 2, and 3, and the presence of discrete white areas (DWAs) without acoustic shadowing were associated with increased risk. Receiver operating characteristic (ROC) curves were constructed for predicted risk versus observed CORI events as a measure of model validity. The areas under the ROC curves for a model of stenosis alone, a model of stenosis combined with clinical features and a model of stenosis combined with clinical, and plaque features were 0.59 (95% confidence interval [CI] 0.54-0.64), 0.66 (0.62-0.72), and 0.82 (0.78-0.86), respectively. In the last model, stenosis, history of contralateral TIAs or stroke, GSM, plaque area, and DWAs were independent predictors of ipsilateral CORI events. Combinations of these could stratify patients into different levels of risk for ipsilateral CORI and stroke, with predicted risk close to observed risk. Of the 923 patients with

Published
2010
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26. Consensus Document on Intermittent Claudication from the Central European Vascular Forum (C.E.V.F.)-3rd revision (2013) with the sharing of the Mediterranean League of Angiology and Vascular Surgery, and the North Africa and Middle East Chapter of International Union of Angiology

Author

Andreozzi, G., Kalodiki, E., L. Gašpar, L., Martini, R., Minar, E., Angelides, N., Nicolaides, A., Novo, S., Visonà, A., Prior, M., Arosio, E., Hussein, E., Poredos, P., Antignani, P., Avram, R., Roztocil, K., Stvrtinova, V., Kozak, M., Vacula, I., Andreozzi, GM, Kalodiki, E, L Gašpar, L, Martini, R, Minar, E, Angelides, N, Nicolaides, AN, Novo, S, Visonà, A, Prior, M, Arosio, E, Hussein, EA, Poredos, P, Antignani, PL, Avram, R, Roztocil, K, Stvrtinova, V, Kozak, M, and Vacula, I.

Subjects
Consensus, Critical Illness, General Practice, intermittent claudicatio, Cardiovascular Agents, Intermittent Claudication, Settore MED/11 - Malattie Dell'Apparato Cardiovascolare, Severity of Illness Index, Peripheral Arterial Disease, Treatment Outcome, Ischemia, Risk Factors, Asymptomatic Diseases, Humans, consensus, peripheral arterial disease, Referral and Consultation, Risk Reduction Behavior, Vascular Surgical Procedures, Intermittent claudication, peripheral arterial disease, disease management
Abstract

This paper is the review of the Consensus Document on Intermittent Claudication of the Central European Vascular Forum (CEVF), published in 2008, and and shared with the North Africa and Middle East Chapter of International Union of Angiology and the Mediterranean League of Angiology and Vascular Surgery. The Document presents suggestions for general practitioners and vascular specialists for more precise and appropriate management of PAD, particularly of intermittent claudication, and underlines the investigations that should be required by GPs and what the GP should expect from the vascular specialist (angiologist, vascular surgeon). The idea of the Faculty is to produce a short document, which is an easy reference in daily clinical practice, both for the GPs and vascular specialists.

Published
2014

27. Predictors and clinical significance of progression or regression of asymptomatic carotid stenosis

Author

Kakkos, Sk, Nicolaides, An, Charalambous, I, Thomas, D, Giannopoulos, A, Naylor, Ar, Geroulakos, G, Abbott, Al, Asymptomatic Carotid Stenosis, Risk of Stroke Study Group Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, E, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, A, Aloi, T, Salerno, M, Fernandes J, Fernandes e., Pedro, L, Fitzgerald, D, O'Shaughnessy, A, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Kakkos, S, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Nicolaides, A, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, Pietro, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonen, M, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, A. R., Kakkos, Stavros K., Nicolaides, Andrew N., Charalambous, Ioanna, Thomas, Dafydd, Giannopoulos, Argyrio, Naylor, A. Ro, Geroulakos, George, Abbott, Anne L., Adovasio, Roberto, Ziani, B., Alò, F. P., Cicilioni, C. G., Ambrosio, G., Andreev, A., Andreozzi, G. M., Verlato, F., Camporese, G., Arosio, E., Barkauskas, E., Barros D'Sa, A. A. B., Brannigan, P., Batchvarova, V., Dramov, A., Belardi, P., Novelli, G. P., Simoni, G., Bell, P., Biasi, G. M., Mingazzini, P., Bornstein, N. M., Bouchier Hayes, D., Fitzgerald, P., Cairols, M. A., Cao, P. G., Derango, P., Carboni, G. P., Geoffredo, C., Catalano, M., Chambers, B., Goetzmann, M., Dickinson, A., Clement, D., Bobelyn, M., Coccheri, S., Conti, E., Diamantopoulos, E., Andreadis, E. A., Dimakakos, P. B., Kotsis, T., Eikelboom, B., Entz, L., Ferrari Bardile, A., Aloi, T., Salerno, M., Fernandes E. Fernandes, J., Pedro, L., Fitzgerald, D. E., O'Shaughnessy, A. M., Fletcher, J., Forconi, S., Cappeli, R., Bicchi, M., Arrigucci, S., Gallai, V., Cardaiolli, G., Gomez Isaza, L. F., Gorgoyannis, G., Liasis, N., Graf, M., Guarini, P., Hardy, S., Harris, P., Aston, S., Iosa, G., Katsamouris, A., Giannoukas, A., Krzanowski, M., Ladurner, G., Leal Monedero, J., Lee, B. B., Liapis, C., Galanis, P., Liboni, W., Pavanelli, E., Mannarino, E., Vaudo, G., Mccollum, P., Levison, R., Micieli, G., Bosone, D., Middleton, L., Pantziaris, M., Tyllis, T., Minar, E., Willfort, A., Moggi, L., Nenci, G., Radicchia, S., Norgren, L., Ribbe, E., Novo, S., Tantillo, R., Olinic, D., Paaske, W., Pagnan, A., Pauletto, P., Pagliara, V., Pettina, G., Pratesi, C., Matticari, S., Polivka, J., Sevcik, P., Poredos, P., Blinc, A., Videcnik, V., Pujia, A., Raso, A., Rispoli, P., Conforti, M., Robinson, T., Dennis, M. S. J., Rosfors, S., Rudofsky, G., Schroeder, T., Gronholdt, M. L., Finocchi, C., Rodriguez, G., Spartera, C., Ventura, M., Scarpelli, P., Sprynger, M., Sadzot, B., Hottermans, C., Moonen, M., Taylor, P. R., Tovar Pardo, A., Negreira, J., Vayssairat, M., Faintuch, J. M., Valaikiené, J., Walker, M. G., and Wilkinson, A. R.

Subjects
Male, Time Factors, Cost effectiveness, medicine.medical_treatment, Carotid Stenosi, Predictive Value of Test, Kaplan-Meier Estimate, Carotid endarterectomy, Retinal Disease, Risk Factors, 80 and over, Carotid Stenosis, Plaque, Atherosclerotic, Ultrasonography, Aged, 80 and over, Ultrasonography, Doppler, Duplex, Incidence, Remission Induction, Doppler, Middle Aged, Prognosis, Plaque, Atherosclerotic, Duplex, Europe, Stroke, Predictive value of tests, Disease Progression, Cardiology, Female, medicine.symptom, Cardiology and Cardiovascular Medicine, Carotid Artery, Internal, Human, Adult, medicine.medical_specialty, Time Factor, Victoria, Prognosi, Asymptomatic, Retinal Diseases, Predictive Value of Tests, Internal medicine, medicine, Humans, Clinical significance, Aged, Asymptomatic Disease, business.industry, Risk Factor, medicine.disease, Internal, Confidence interval, Surgery, Stenosis, Asymptomatic Diseases, Relative risk, asymptomatic carotid artery stenosis, Carotid Artery, business
Abstract

OBJECTIVE: To determine baseline clinical and ultrasonographic plaque factors predictive of progression or regression of asymptomatic carotid stenosis and the predictive value of changes in stenosis severity on risk of first ipsilateral cerebral or retinal ischemic events (including stroke).METHODS: A total of 1121 patients with asymptomatic carotid stenosis of 50% to 99% in relation to the bulb diameter (European Carotid Surgery Trial [ECST] method) underwent six monthly clinical assessments and carotid duplexes for up to 8 years (mean follow-up, 4 years). Progression or regression was considered present if there was a change of at least one grade higher or lower, respectively, persisting for at least two consecutive examinations.RESULTS: Regression occurred in 43 (3.8%), no change in 856 (76.4%), and progression in 222 (19.8%) patients. Younger age, high grades of stenosis, absence of discrete white areas in the plaque, and taking lipid lowering therapy were independent baseline predictors of increased incidence of regression. High serum creatinine, male gender, not taking lipid lowering therapy, low grades of stenosis, and increased plaque area were independent baseline predictors of progression. One hundred and thirty first ipsilateral cerebral or retinal ischemic events, including 59 strokes, occurred. Forty (67.8%) of the strokes occurred in patients whose stenosis was unchanged, 19 (32.2%) in those with progression, and zero in those with regression. For the entire cohort, the 8-year cumulative ipsilateral cerebral ischemic stroke rate was zero in patients with regression, 9% if the stenosis was unchanged, and 16% if there was progression (average annual stroke rates of 0%, 1.1%, and 2.0%, respectively; log-rank, P = .05; relative risk in patients with progression, 1.92; 95% confidence interval, 1.14-3.25). For patients with baseline stenosis 70% to 99% in relation to the distal internal carotid (North American Symptomatic Carotid Endarterectomy Trial [NASCET] method), in the absence of progression (n = 349), the 8-year cumulative ipsilateral cerebral ischemic stroke rate was 12%. In the presence of progression (n = 77), it was 21% (average annual stroke rates of 1.5% and 2.6%, respectively; log-rank, P = .34). Only nine (30%) of the 30 strokes occurred in the progression group.CONCLUSIONS: Progressive asymptomatic carotid stenosis identified a subgroup with about twice the risk of ipsilateral stroke compared with those without progression. However, the clinical value of screening for progression simply for selecting patients for carotid procedures is limited because of the low frequency of progression and its relatively low associated stroke rate. The cost effectiveness of screening for change in stenosis severity to better direct current optimal medical treatment needs testing.

Published
2014
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32. Prevention of serious vascular events by aspirin amongst patients with peripheral arterial disease: randomized, double-blind trial

Author

Fabris, F., Pilger, E., Pabst, E., Kostner, G., Wautrecht, J. C., Baitsch, G., Breddin, K., Diehm, C., Podhaisky, H., Taute, B. M., Diamantoupolos, E. J., Aimar, T., Alari, G., Albano, S., Altamura, N., Arosio, E., Bortolon, M., Caccia, R., Carotta, M., Carzaniga, G., Catalano, M., Contini, P., Difolca, A., Dore, M., Falaschi, F., Franchini, B., Frare, C., Frascisco, M., Giansante, C., Giona, E., Giubbolini, M., Lucarelli, F., Marchitelli, E., Marcialis, M. R., Martignoni, A., Melillo, E., Minola, M., Monetti, D., Nenci, G., Paolicelli, M., Pasqualini, L., Perilli, E., Pettina, G., Poli, L., Radicchia, S., Rossi, M., Scandale, G., Scondotto, G., Sergi, D., Setacci, C., Spada, S., Todini, A. R., Vaudo, G., Verlato, F., Visona, A., Zannoni, M., Bielawiec, M., Jawien, A., Meissner, A., Michalak, J., Nizankowski, R., Wandzilak, M., Avram, J. A., Avram, R., Hancu, N., Marian, A., Marian, I., Murariu, M., Negrisanu, G., Olinic, D., Olinic, N., Trambitas, R., Veresiu, I., Victoria, I., Kozak, M., Mavri, A., Bahi, J. S., Bahi, P. S., Brunkwall, J., and Gallino, A.

Subjects
Male, medicine.medical_specialty, Settore MED/09 - Medicina Interna, Placebo, law.invention, Double-Blind Method, Randomized controlled trial, Ischemia, law, Internal medicine, Internal Medicine, medicine, Humans, Myocardial infarction, Stroke, Aged, Angiology, Peripheral Vascular Diseases, Leg, Aspirin, Vascular disease, business.industry, Antioxidant vitamins, Peripheral arterial disease, Prevention, medicine.disease, Surgery, Clinical trial, Treatment Outcome, Female, business, Platelet Aggregation Inhibitors, medicine.drug
Abstract

OBJECTIVE: To assess the prophylactic efficacy of aspirin and a high-dose antioxidant vitamin combination in patients with peripheral arterial disease (PAD) in terms of reduction of the risk of a first vascular event (myocardial infarction, stroke, vascular death) and critical limb ischaemia. DESIGN: Randomized, placebo-controlled, double-blind clinical trial with 2 x 2 factorial design. SETTING: Thirty-seven European angiology/vascular medicine units. SUBJECTS: A total of 366 outpatients with stage I-II PAD documented by angiography or ultrasound, with ankle/brachial index

Published
2007
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33. Survival in patients treated by long-term dialysis compared with the general population

Author

Nordio, M, Limido, A, Maggiore, U, Nichelatti, M, Postorino, M, Quintaliani, G, Italian, Dialysis, Transplantation Registry Collaborators: Molino, Italian Dialysis, Collaborators: Molino A, Transplantation R. e. g. i. s. t. r. y., Salomone, M, Cappelli, Gianni, Conte, F, Arosio, E, Antonucci, F, Giacon, B, Adorati, M, Romanini, D, Santoro, A, Mancini, E, Rosati, A, Frascà, Gm, Gaffi, G, Standoli, M, Bonomini, M, Di Liberato, L, Di Giulio, S, Cirillo, M, Bilancio, G, Schena, Fp, Torres, D, Casino, F, Zoccali, C, Marino, C, Sparacino, V, Agnello, V, Pinna, A. m., Nordio, M, Limido, A, Maggiore, U, Nichelatti, M, Postorino, M, Quintaliani, G, Molino, A, Salomone, M, Cappelli, G, Conte, F, Arosio, E, Antonucci, F, Giacon, B, Adorati, M, Romanini, D, Santoro, A, Mancini, E, Rosati, A, Frascà, Gm, Gaffi, G, Standoli, M, Bonomini, M, Di Liberato, L, Di Giulio, S, Cirillo, Massimo, Bilancio, G, Schena, F, P, Torres, D, Casino, F, Zoccali, C, Marino, C, Sparacino, V, Agnello, V, and Pinna, A. M.

Subjects
Adult, Male, medicine.medical_specialty, Time Factors, dialysis registry, medicine.medical_treatment, Population, Relative survival, Risk Assessment, Peritoneal dialysis, Cohort Studies, Young Adult, Renal Dialysis, Cause of Death, Internal medicine, medicine, Humans, Registries, Renal replacement therapy, Mortality, education, excess mortality rate, Dialysis, Survival analysis, Aged, Retrospective Studies, education.field_of_study, business.industry, Mortality rate, Retrospective cohort study, Middle Aged, Prognosis, Long-Term Care, Survival Analysis, Surgery, Italy, Nephrology, Kidney Failure, Chronic, Female, business
Abstract

BACKGROUND: Relative survival, a methodology previously used in epidemiologic studies of cancer, compares the observed survival of a patient cohort with expected survival derived from general population life tables. We examined relative survival in patients treated by long-term dialysis in the Italian Dialysis and Transplantation Registry in order to determine the prognosis of dialysis patients. STUDY DESIGN: Cohort study drawn from a registry. SETTING & PARTICIPANTS: Patients enrolled in the Italian Dialysis and Transplantation Registry. FACTORS: Sex, age, primary kidney disease, renal replacement therapy modality, and main comorbid conditions. OUTCOMES: Death from any cause. MEASUREMENTS: Relative survival ratio (the ratio of observed survival in the population of interest to the survival expected given the age- and period-specific mortality of the general population) and excess mortality rate (difference between observed and expected mortality rates). RESULTS: In January 2000 to December 2008, a total of 27,642 patients were included. The 5-year relative survival estimate was 55.6% (95% CI, 54.7%-56.5%). The excess mortality rate showed a peak at 3 months (21 deaths/100 patient-years), then decreased, becoming constant from the end of year 1 to year 8, with leveling off at about 10 deaths/100 patient-years. Older age, systemic diseases, and diabetes showed the strongest association with excess mortality. Peritoneal dialysis was associated with a lower relative excess risk in only the first year of treatment. LIMITATIONS: The patient cohort comprises about half the Italian patients beginning dialysis therapy in the period. CONCLUSIONS: This study highlights the applicability of relative survival methods in dialysis patients. This measure allows estimation of disease prognosis and severity comparisons among chronic diseases. The excess mortality rate appears to be a more sensitive and informative measure than the simple proportion of survivors.

Published
2012

34. Modello di percorso diagnostico e terapeutico per l'arteriopatia obliterante periferica

Author

Andreozzi, G. M., Antignani, P. L., Arosio, E., Arpaia, G., Crescenzi, B., Di Salvo, M., Gossetti, Bruno, Marcucci, G., Milio, G., Andreozzi, GM, Antignani, PL, Arosio, E, Arpaia, G, Crescenzi, B, Di Salvo, MM, Gossetti, B, Marcucci, G, and Milio, G

Subjects
Arteriopatia obliterante periferica - Percorsi diagnostico terapeutici, percorsi diagnostico-terapeutici, Arteriopatia obliterante periferica, ABI, Settore MED/11 - Malattie Dell'Apparato Cardiovascolare
Published
2012

35. Modello di percorso diagnostico e terapeutico per la trombosi venosa superficiale

Author

MILIO, Glauco, Andreozzi, GM, Antignani, PL, Arosio, E, Arpaia, G, Crescenzi, B, Di Salvo, MM, Gossetti, B, Marcucci, G., Milio, G, Andreozzi, GM, Antignani, PL, Arosio, E, Arpaia, G, Crescenzi, B, Di Salvo, MM, Gossetti, B, and Marcucci, G

Subjects
Trombosi venosa superficiale - Percorsi diagnostico terapeutici, Settore MED/11 - Malattie Dell'Apparato Cardiovascolare
Published
2012

36. Silent embolic infarcts on computed tomography brain scans and risk of ipsilateral hemispheric events in patients with asymptomatic internal carotid artery stenosis

Author

Kakkos, S, Sabetai, M, Tegos, T, Stevens, J, Thomas, D, Griffin, M, Geroulakos, G, Nicolaides, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkaukas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, DeRango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, A, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Capelli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, McCollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbj, n, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiene, J, Walker, M, Wilkinson, A., Kakkos, S, Sabetai, M, Tegos, T, Stevens, J, Thomas, D, Griffin, M, Geroulakos, G, Nicolaides, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkaukas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, A, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Capelli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbj, N, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiene, J, Walker, M, and Wilkinson, A

Subjects
Male, medicine.medical_specialty, Time Factors, medicine.medical_treatment, internal carotid artery, Carotid endarterectomy, Kaplan-Meier Estimate, brain embolism, Asymptomatic, Risk Assessment, Central nervous system disease, Duplex scanning, Predictive Value of Tests, MED/22 - CHIRURGIA VASCOLARE, medicine, Humans, Carotid Stenosis, brain infarction, cardiovascular diseases, Prospective Studies, Stroke, Aged, Proportional Hazards Models, Ultrasonography, Doppler, Duplex, Cerebral infarction, business.industry, Amaurosis fugax, Cerebral Infarction, medicine.disease, major clinical study, neurologic disease, Stenosis, multicenter study, Intracranial Embolism, Ischemic Attack, Transient, transient ischemic attack, Disease Progression, carotid artery obstruction, Surgery, Female, Radiology, medicine.symptom, business, Cardiology and Cardiovascular Medicine, Tomography, X-Ray Computed, Carotid Artery, Internal, prospective study
Abstract

Udgivelsesdato: 2009-Apr OBJECTIVES: This study tested the hypothesis that silent embolic infarcts on computed tomography (CT) brain scans can predict ipsilateral neurologic hemispheric events and stroke in patients with asymptomatic internal carotid artery stenosis. METHODS: In a prospective multicenter natural history study, 821 patients with asymptomatic carotid stenosis graded with duplex scanning who had CT brain scans were monitored every 6 months for a maximum of 8 years. Duplex scans were reported centrally, and stenosis was expressed as a percentage in relation to the normal distal internal carotid criteria used by the North American Symptomatic Carotid Endarterectomy Trialists. CT brain scans were reported centrally by a neuroradiologist. In 146 patients (17.8%), 8 large cortical, 15 small cortical, 72 discrete subcortical, and 51 basal ganglia ipsilateral infarcts were present; these were considered likely to be embolic and were classified as such. Other infarct types, lacunes (n = 15), watershed (n = 9), and the presence of diffuse white matter changes (n = 95) were not considered to be embolic. RESULTS: During a mean follow-up of 44.6 months (range, 6 months-8 years), 102 ipsilateral hemispheric neurologic events (amaurosis fugax in 16, 38 transient ischemic attacks [TIAs], and 47 strokes) occurred, 138 patients died, and 24 were lost to follow-up. In 462 patients with 60% to 99% stenosis, the cumulative event-free rate at 8 years was 0.81 (2.4% annual event rate) when embolic infarcts were absent and 0.63 (4.6% annual event rate) when present (log-rank P = .032). In 359 patients with

Published
2008
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37. CONSENSUS ON INTERMITTENT CLAUDICATION

Author

ALLEGRA, C, ANDREOZZI, GM, ANTIGNANI, PL, AROSIO, E, BREVETTI, G, DEL GUERCIO, R, DERIU, GP, DZSINICH, C, HUSSEIN, E, FERNANDES, J, FERNANDES, E, FORCONI, S, MARTINI, R, PAGNAN, A, POREDOS, P, RIEGER, H, ROZTOCIL, K, SOSA, T, VERLATO, F, VISON, A, ZAMBONI, P., COSPITE, Michele Antonio, NOVO, Salvatore, ALLEGRA, C, ANDREOZZI, GM, ANTIGNANI, PL, AROSIO, E, BREVETTI, G, COSPITE, M, DEL GUERCIO, R, DERIU, GP, DZSINICH, C, HUSSEIN, E, FERNANDES, J, FERNANDES, E, FORCONI, S, MARTINI, R, NOVO, S, PAGNAN, A, POREDOS, P, RIEGER, H, ROZTOCIL, K, SOSA, T, VERLATO, F, VISON, A, and ZAMBONI, P

Published
2006

38. The Asymptomatic Carotid Stenosis and Risk of Stroke (ACSRS) study. Aims and results of quality control

Author

Nicolaides, A, Sabetai, M, Kakkos, SK, Dhanjil, S, Tegos, T, Stevens, JM, Thomas, DJ, Francis, S, Griffin, M, Geroulakos, G, Ioannidou, E, Kyriacou, E, ACSRS Study Group: Adovasio, R, Ziani, B, Alò, FP, Cicilioni, CG, Ambrosio, G, Andreev, A, Andreozzi, GM, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros, D'Sa AA, Batchvarova, V, Dramov, A, Belardi, P, Novelli, GP, Simoni, G, Bell, P, Bornstein, NM, Bouchier Hayes, D, Fitzgerald, P, Cairols, MA, Cao, PG, DeRango, P, Carboni, GP, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Dimakakos, PB, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, A, Aloi, T, Salerno, M, Fernandes e. Farnandes, J, Pedro, L, Fitzgerald, DE, O'Shaunnersy, A, Dooley, C, McMahon, N, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Kakkos, S, Gomez Isaza, LF, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krazanowski, M, Ladurner, G, Leal Monedero, J, Lee, BB, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, McCollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, MS, Rosfors, S, Carlström, C, Rudofsky, G, Schroeder, T, Gronholdt, ML, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonen, G, Taylor, PR, Tovar Pardo, A, Negreira, J, Vayssairat, M, Valaikiené, J, Walker, MG, Wilkinson, AR, Barnett, HJ, Bernstein, EF, Moore, W, Standness, LE, Tsapogas, M, van Gijn, J., BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, Nicolaides, A, Sabetai, M, Kakkos, S, Dhanjil, S, Tegos, T, Stevens, J, Thomas, D, Francis, S, Griffin, M, Geroulakos, G, Ioannidou, E, Kyriacou, E, ACSRS Study Group: Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros, D, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, A, Aloi, T, Salerno, M, Fernandes e. Farnandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Dooley, C, Mcmahon, N, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krazanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Carlström, C, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonen, G, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Valaikiené, J, Walker, M, Wilkinson, A, Barnett, H, Bernstein, E, Moore, W, Standness, L, Tsapogas, M, and van Gijn, J

Subjects
MED/22 - CHIRURGIA VASCOLARE, Carotid artery stenosis, Carotid Endarterectomy, Echo Doppler, Risk of stroke
Abstract

AIM: The results of the Asymptomatic Carotid Atherosclerosis Study (ACAS) study have provided the first scientific evidence that in patients with asymptomatic carotid stenosis greater than 60% carotid endarterectomy reduces the risk of stroke from 2% to 1% per year. The implications are that approximately 20 operations need to be performed in order to prevent 1 stroke in 5 years. The aims of the Asymptomatic Carotid Stenosis and Risk of Stroke (ACSRS) study are to identify a subgroup or subgroups at a risk for stroke higher than 4% and a group at a risk for stroke less than 1% per year using systemic and local risk factors (plaque characterization) in addition to the degree of stenosis. The aim of this paper is to present the protocol and the results of the quality control. METHODS: The ACSRS is a multicentre natural history study of patients with asymptomatic internal carotid diameter stenosis greater than 50% in relation to the bulb. The degree of stenosis is graded using multiple established ultrasonic duplex criteria. In addition, ultrasonic plaque characterization is performed and clinical risk factors and medications are recorded. Training is provided centrally. All carotid ultrasound examinations are recorded on video-tape which together with CT-brain scans and ECG are analysed at the coordinating centre with feedback information to partner centres. RESULTS: The video recordings and analysis of data centrally with feed back information have provided quality control with a significant improvement not only in the completion of data forms but also in the grading of internal carotid stenosis and plaque recordings using ultrasound. CONCLUSION: The high level of quality of data collected will add credibility to the results of the ACSRS study and may eventually promote the development of international standards of plaque imaging and characterization

Published
2003

40. The size of juxtaluminal hypoechoic area in ultrasound images of asymptomatic carotid plaques predicts the occurrence of stroke

Author

Kakkos, Sk, Griffin, Mb, Nicolaides, An, Kyriacou, E, Sabetai, Mm, Tegos, T, Makris, Gc, Thomas, Dj, Geroulakos, G, Asymptomatic Carotid Stenosis, Risk of Stroke Study Group, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, E, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, A, Aloi, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaughnessy, A, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Kakkos, S, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Nicolaides, A, Thomas, D, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, Pietro, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonen, M, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, R., Stavros K., Kakko, Maura B., Griffin, Andrew N., Nicolaide, Efthyvoulos, Kyriacou, Michael M., Sabetai, Thomas, Tego, Gregory C., Makri, Dafydd J., Thoma, George, Geroulako, Asymptomatic Carotid, Stenosi, Risk of Stroke Study, Group, Adovasio, Roberto, Kakkos, SK, Griffin, MB, Nicolaides, AN, Kyriacou, E, Sabetai, MM, Tegos, T, Makris, GC, Thomas, DJ, Geroulakos, G, and Novo, s

Subjects
Asymptomatic carotid plaque, Male, Time Factors, medicine.medical_treatment, Carotid endarterectomy, Kaplan-Meier Estimate, Severity of Illness Index, asymptomatic carotid artery stenosis, hypoecoic area, Stroke, Risk Factors, Carotid Stenosis, Ultrasonography, Doppler, Color, Prospective cohort study, Aged, 80 and over, Neovascularization, Pathologic, Middle Aged, Prognosis, Plaque, Atherosclerotic, Europe, Ischemic Attack, Transient, Predictive value of tests, Female, Radiology, medicine.symptom, juxtaluminal hypoechoic area, ultrasound images, asymptomatic carotid plaques, stroke, Cardiology and Cardiovascular Medicine, Carotid Artery, Internal, Adult, medicine.medical_specialty, Asymptomatic, Risk Assessment, Brain ischemia, Echography, Predictive Value of Tests, asymptomatic carotid artery stenosi, medicine, Humans, cardiovascular diseases, Aged, Proportional Hazards Models, business.industry, Proportional hazards model, medicine.disease, Acoustic shadow, Settore MED/11 - Malattie Dell'Apparato Cardiovascolare, Stenosis, ROC Curve, Asymptomatic Diseases, Linear Models, Surgery, business, Follow-Up Studies
Abstract

OBJECTIVE: To test the hypothesis that the size of a juxtaluminal black (hypoechoic) area (JBA) in ultrasound images of asymptomatic carotid artery plaques predicts future ipsilateral ischemic stroke. METHODS: A JBA was defined as an area of pixels with a grayscale value 10 mm(2) (P < .001). In a Cox model with ipsilateral ischemic events (amaurosis fugax, transient ischemic attack [TIA], or stroke) as the dependent variable, the JBA (8 mm(2)) was still significant after adjusting for other plaque features known to be associated with increased risk, including stenosis, grayscale median, presence of discrete white areas without acoustic shadowing indicating neovascularization, plaque area, and history of contralateral TIA or stroke. Plaque area and grayscale median were not significant. Using the significant variables (stenosis, discrete white areas without acoustic shadowing, JBA, and history of contralateral TIA or stroke), this model predicted the annual risk of stroke for each patient (range, 0.1%-10.0%). The average annual stroke risk was

Published
2013
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43. Silent embolic infarcts on computed tomography brain scans and risk of ipsilateral hemispheric events in patients with asymptomatic internal carotid artery stenosis

Author

Kakkos, Sk, Sabetai, M, Tegos, T, Stevens, J, Thomas, D, Griffin, M, Geroulakos, G, Nicolaides AN Adovasio, B, Ziani, B, Alò, Fp, Cicilioni, Cg, Ambrosio, G, Andreev, A, Andreozzi, Gm, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa AA, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, Gp, Simoni, G, Bell, P, Biasi, Gm, Mingazzini, P, Bornstein, Nm, Bouchier Hayes, D, Fitzgerald, P, Cairols, Ma, Cao, Pg, Derango, P, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, Ea, Dimakakos, Pb, Kotsis, T, Eikelboom, B, Entz, L, Aloi Ferrari Bardile, T, Salerno, M, Fernandes J, Fernandes e., Pedro, L, Fitzgerald, De, O'Shaunnersy, A, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Kakkos, S, Gomez Isaza LF, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, Bb, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Nicolaides, A, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Pujia, A, Raso, A, Rispoli, Pietro, Conforti, M, Robinson, T, Dennis, Ms, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, Ml, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Taylor, Pr, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, Jm, Valaikiené, J, Walker, Mg, Wilkinson, Ar, Barnett, Hj, Bernstein, Ef, Jones, Am, Moore, W, Myers, K, Strandness, De, Toole, J, Tsapogas, M, and van Gijn, J.

Published
2009

44. Prevention of serious vascular events by aspirin amongst patients with peripheral arterial disease: a randomized, double-blind trial

Author

Pilger, E, Pabst, E, Kostner, G, Wautrecht, Jc, Baitsch, G, Breddin, K, Diehm, C, Podhaisky, H, Taute, Bm, Diamantoupolos, Ej, Aimar, T, Alari, G, Albano, S, Altamura, N, Arosio, E, Bortolon, M, Caccia, R, Carotta, M, Carzaniga, G, Catalano, M, Contini, P, Difolca, A, Dore, M, Fabris, F, Falaschi, F, Franchini, B, Frare, C, Frascisco, M, Giansante, C, Giona, E, Giubbolini, M, Lucarelli, F, Marchitelli, E, Marcialis, Mr, Martignoni, A, Melillo, E, Minola, M, Monetti, D, Nenci, G, Paolicelli, M, Pasqualini, Leonella, Perilli, E, Pettina, G, Poli, L, Radicchia, S, Rossi, M, Scandale, G, Scondotto, G, Sergi, D, Setacci, C, Spada, S, Todini, Ar, Vaudo, Gaetano, Verlato, F, Visona, A, Zannoni, M, Bielawiec, M, Jawien, A, Meissner, A, Michalak, J, Nizankowski, R, Wandzilak, M, Avram, Ja, Avram, R, Hancu, N, Marian, A, Marian, I, Murariu, M, Negrisanu, G, Olinic, D, Olinic, N, Trambitas, R, Veresiu, I, Victoria, I, Kozak, M, Mavri, A, Bahi, Js, Bahi, Ps, Brunkwall, J, and Gallino, A.

Published
2007

46. Severity of asymptomatic carotid stenosis and risk of ipsilateral hemispheric ischaemic events: results from the ACSRS study

Author

Adovasio, R, Ziani, B, Alò, Fp, Cicilioni, Cg, Ambrosio, G, Andreev, A, Andreozzi, Gm, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa AA, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, Gp, Simoni, G, Bell, P, Biasi, Gm, Mingazzini, P, Bornstein, Nm, Bouchier Hayes, D, Fitzgerald, P, Cairols, Ma, Cao, Pg, Derango, P, Carboni, Gp, Geoffredo, C, Catalono, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, Ea, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Nicolaides, A, Kakkos, S, Thomas, D, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, Pietro, Conforti, M, Robinson, T, Dennis, Ms, Rosfos, S, Rudofsky, G, Schroeder, T, Gronholdt, Ml, Finocchi, C, Rodriguez, G, Dimakakos, Pb, Kotsis, T, Eikelboom, B, Entz, L, Ferrari, Bardile, Aloi, T, Salerno, M, Fernandes J, Fernandes e., Pedro, L, Fitzgerald, De, O'Shaunnersy, A, Fletcher, F, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Geroulakos, G, Gomez Isaza LF, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, Bb, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Barnett, Hj, Bernstein, Ef, Jones, Am, Moore, W, Myers, K, Strandness, De, Toole, J, Tsapogas, M, van Gijn, J, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonen, Taylor, Pr, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, Jm, Valaikiené, J, Walker, Mg, and Wilkinson, A. R.

Published
2005

47. Asymptomatic internal carotid artery stenosis and cerebrovascular risk stratification

Author

Nicolaides, A, Kakkos, S, Kyriacou, E, Griffin, M, Sabetai, M, Thomas, D, Tegos, T, Geroulakos, G, Labropoulos, N, Dor, C, Morris, T, Naylor, R, Abbott, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, E, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardileah, N, Aloi, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbp, N, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, A, BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, DeRango, P, Ferrari Bardileah, n, McCollum, P, Moonenbp, n, Wilkinson, A., Nicolaides, A, Kakkos, S, Kyriacou, E, Griffin, M, Sabetai, M, Thomas, D, Tegos, T, Geroulakos, G, Labropoulos, N, Dor, C, Morris, T, Naylor, R, Abbott, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkauskas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, E, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardileah, N, Aloi, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Cappeli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Schroeder, T, Gronholdt, M, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbp, N, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, A, BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, DeRango, P, Ferrari Bardileah, n, McCollum, P, Moonenbp, n, and Wilkinson, A.

Abstract

Background: The purpose of this study was to determine the cerebrovascular risk stratification potential of baseline degree of stenosis, clinical features, and ultrasonic plaque characteristics in patients with asymptomatic internal carotid artery (ICA) stenosis. Methods: This was a prospective, multicenter, cohort study of patients undergoing medical intervention for vascular disease. Hazard ratios for ICA stenosis, clinical features, and plaque texture features associated with ipsilateral cerebrovascular or retinal ischemic (CORI) events were calculated using proportional hazards models. Results: A total of 1121 patients with 50% to 99% asymptomatic ICA stenosis in relation to the bulb (European Carotid Surgery Trial [ECST] method) were followed-up for 6 to 96 months (mean, 48). A total of 130 ipsilateral CORI events occurred. Severity of stenosis, age, systolic blood pressure, increased serum creatinine, smoking history of more than 10 pack-years, history of contralateral transient ischemic attacks (TIAs) or stroke, low grayscale median (GSM), increased plaque area, plaque types 1, 2, and 3, and the presence of discrete white areas (DWAs) without acoustic shadowing were associated with increased risk. Receiver operating characteristic (ROC) curves were constructed for predicted risk versus observed CORI events as a measure of model validity. The areas under the ROC curves for a model of stenosis alone, a model of stenosis combined with clinical features and a model of stenosis combined with clinical, and plaque features were 0.59 (95% confidence interval [CI] 0.54-0.64), 0.66 (0.62-0.72), and 0.82 (0.78-0.86), respectively. In the last model, stenosis, history of contralateral TIAs or stroke, GSM, plaque area, and DWAs were independent predictors of ipsilateral CORI events. Combinations of these could stratify patients into different levels of risk for ipsilateral CORI and stroke, with predicted risk close to observed risk. Of the 923 patients with <70% stenos

Published
2010

48. Silent embolic infarcts on computed tomography brain scans and risk of ipsilateral hemispheric events in patients with asymptomatic internal carotid artery stenosis

Author

Kakkos, S, Sabetai, M, Tegos, T, Stevens, J, Thomas, D, Griffin, M, Geroulakos, G, Nicolaides, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkaukas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, A, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Capelli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbj, N, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiene, J, Walker, M, Wilkinson, A, BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, DeRango, P, McCollum, P, Moonenbj, n, Wilkinson, A., Kakkos, S, Sabetai, M, Tegos, T, Stevens, J, Thomas, D, Griffin, M, Geroulakos, G, Nicolaides, A, Adovasio, R, Ziani, B, Alò, F, Cicilioni, C, Ambrosio, G, Andreev, A, Andreozzi, G, Verlato, F, Camporese, G, Arosio, E, Barkaukas, E, Barros D'Sa, A, Brannigan, P, Batchvarova, V, Dramov, A, Belardi, P, Novelli, G, Simoni, G, Bell, P, Biasi, G, Mingazzini, P, Bornstein, N, Bouchier Hayes, D, Fitzgerald, P, Cairols, M, Cao, P, Derango, P, Carboni, G, Geoffredo, C, Catalano, M, Chambers, B, Goetzmann, M, Dickinson, A, Clement, D, Bobelyn, M, Coccheri, S, Conti, E, Diamantopoulos, E, Andreadis, A, Dimakakos, P, Kotsis, T, Eikelboom, B, Entz, L, Ferrari Bardile, T, Salerno, M, Fernandes, J, Pedro, L, Fitzgerald, D, O'Shaunnersy, A, Fletcher, J, Forconi, S, Capelli, R, Bicchi, M, Arrigucci, S, Gallai, V, Cardaiolli, G, Gomez Isaza, L, Gorgoyannis, G, Liasis, N, Graf, M, Guarini, P, Hardy, S, Harris, P, Aston, S, Iosa, G, Katsamouris, A, Giannoukas, A, Krzanowski, M, Ladurner, G, Leal Monedero, J, Lee, B, Liapis, C, Galanis, P, Liboni, W, Pavanelli, E, Mannarino, E, Vaudo, G, Mccollum, P, Levison, R, Micieli, G, Bosone, D, Middleton, L, Pantziaris, M, Tyllis, T, Minar, E, Willfort, A, Moggi, L, Nenci, G, Radicchia, S, Norgren, L, Ribbe, E, Novo, S, Tantillo, R, Olinic, D, Paaske, W, Pagnan, A, Pauletto, P, Pagliara, V, Pettina, G, Pratesi, C, Matticari, S, Polivka, J, Sevcik, P, Poredos, P, Blinc, A, Videcnik, V, Pujia, A, Raso, A, Rispoli, P, Conforti, M, Robinson, T, Dennis, M, Rosfors, S, Rudofsky, G, Finocchi, C, Rodriguez, G, Spartera, C, Ventura, M, Scarpelli, P, Sprynger, M, Sadzot, B, Hottermans, C, Moonenbj, N, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiene, J, Walker, M, Wilkinson, A, BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, DeRango, P, McCollum, P, Moonenbj, n, and Wilkinson, A.

Abstract

Objectives: This study tested the hypothesis that silerit embolic infarcts on computed tomography (CT) brain scans can predict ipsilateral neurologic hemispheric events and stroke in patients with asymptomatic internal carotid artery stenosis. Methods: In a prospective multicenter natural history study, 821 patients with asymptomatic carotid stenosis graded with duplex scanning who had CT brain scans were monitored every 6 months for a maximum of 8 years. Duplex scans were reported centrally, and stenosis was expressed as a percentage in relation to the normal distal internal carotid criteria used by the North American Symptomatic Carotid Endarterectomy Trialists. CT brain scans were reported centrally by a neuroradiologist. In 146 patients (17.8%), 8 large cortical, 15 small cortical, 72 discrete subcortical, and 51 basal ganglia ipsilateral infarcts were present; these were considered likely to be embolic and were classified as such. Other infarct types, lacunes (n = 15), watershed (n = 9), and the presence of diffuse white matter changes (n = 95) were not considered to be embolic. Results: During a mean follow-up of 44.6 months (range, 6 months-8 years), 102 ipsilateral hemispheric neurologic events (amaurosis fugax in 16, 38 transient ischemic attacks [TIAs], and 47 strokes) occurred, 138 patients died, and 24 were lost to follow-up. In 462 patients with 60% to 99% stenosis, the cumulative event-free rate at 8 years was 0.81 (2.4% annual event rate) when embolic infarcts were absent and 0.63 (4.6% annual event rate) when present (log-rank P = .032). In 359 patients with <60% stenosis, embolic infarcts were not associated with increased risk (log-rank P = .65). In patients with 60% to 99% stenosis, the cumulative stroke-free rate was 0.92 (1.0% annual stroke rate) when embolic infarcts were absent and 0.71 (3.6% annual stroke rate) when present (log-rank P = .002). In the subgroup of 216 with moderate 60% to 79% stenosis, the cumulative TIA or stroke-free rate

Published
2009

49. Clinical and circulatory effects of iloprost either administered for 1 week or 4 weeks in patients with peripheral obstructive arterial disease at Leriche-Fontaine stage III

Author

Arosio, E., Sardina, M., MANLIO PRIOR, Marchi, S., Zannoni, M., and Bianchini, C.

Subjects
Male, Peripheral Vascular Diseases, plethysmography, peripheral arterial disease, Vasodilator Agents, Exercise Test, Humans, Arterial Occlusive Diseases, Female, Middle Aged, iloprost, Aged
Abstract

Iloprost therapy for severe peripheral obstructive arterial disease (POAD) has demonstrated to be effective in reducing the need for amputation. However the feasibility of a 28-day infusion regimen in less severe stages of the disease is poor due to the length in hospital stay. A randomized, controlled, parallel-group pilot study was carried out with the aim to evaluate clinical and circulatory effects of Iloprost, a stable prostacyclin analogue, administered with two different infusion schedules to patients with POAD at Leriche Fontaine stage III.Twenty patients 16 males and 4 females, mean age 66 +/- 6 years) with objective signs of POAD, rest pain for at least two weeks and posterior tibial artery pressure50 mmHg, were randomized to either Iloprost i.v. infusion up to 2 ng/Kg/min for 6/h/day for 28 days (Group A) or to Iloprost i.v. infusion up to 1.5 ng/Kg/min for 16/h/day for 7 days (Group B). At baseline (before starting first infusion) after 7 days (for group B only, end of therapy) and after 28 days (end of therapy for Group A, end of study for Group B) the following parameters were evaluated: walking distance, rest pain and analgesic consumption, plethysmographyc parameters (first flow, peak flow and peak flow time) and laser Doppler parameters (rest flow, post ischemic flow).After 28 days, both Iloprost infusion schedules increased walking capacity (maximum walking distance/pain free walking distance +119/+84% +199/+85% respectively, for Group A and B respectively) reduced ischemic pain (-45% and -48% respectively for Group A and B) and analgesic consumption and improved plethysmographyc and laser Doppler parameters. Tolerability seemed to be better in Group B, suggesting that the lower dose and the shorter duration of the therapy period might result in reduced incidence of headache thus, in principle, increasing patient acceptability.The results of this pilot study, if confirmed by larger trials, could have important positive implications in terms of costs, patient comfort and management.

Published
1998

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