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1. Heart Failure and the Obesity Paradox

Author

Faintuch, J, Faintuch, S, Tadic, M, Cuspidi, C, Tadic M, Cuspidi C, Faintuch, J, Faintuch, S, Tadic, M, Cuspidi, C, Tadic M, and Cuspidi C

Abstract

Heart failure (HF) represents a complex cardiovascular disease with a wide range of risk factors, different pathophysiology, and various manifestations. Obesity is one of the most important comorbidities and one of the risk factors in HF patients. It seems that obesity has a more important role in development of HF patients with preserved left ventricular ejection fraction (HFpEF) than in HF patients with reduced ejection fraction (HFrEF). The role of obesity on HF with mid-range ejection fraction (HFmrEF) is a matter of debate. The impact of obesity on outcome in HF patients is still unclear. The relationship varies from the linear to the U-shaped. The "obesity paradox, " which suggests the reduced risk in mildly overweight subjects in comparison with normal-and underweight individuals, drew significant attention. The mechanisms that relate obesity and HF vary from obesity-induced hemodynamic changes to biohumoral systems such as adipocytokines, renin-angiotensin-aldosterone and sympathetic nervous systems, natriuretic peptide, and oxidative stress. In the absence of a satisfactory pharmacological approach, which would improve the outcome of this large group of patients, alternative methods such as weight loss and physical activity seem to provide encouraging results.

Published
2020

2. New Technologies for Improving the Psychological Treatment of Obesity

Author

Capodaglio, P, Faintuch, J, Liuzzi, A, Riva, G, Cipresso, P, Mantovani, F, Dakanalis, A, Gaggioli, A, MANTOVANI, FABRIZIA, DAKANALIS, ANTONIOS, Gaggioli, A., Capodaglio, P, Faintuch, J, Liuzzi, A, Riva, G, Cipresso, P, Mantovani, F, Dakanalis, A, Gaggioli, A, MANTOVANI, FABRIZIA, DAKANALIS, ANTONIOS, and Gaggioli, A.

Abstract

Most clinicians and patients consider obesity just as a problem of energy balance: more energy input than expenditure. However, the epidemiological data and the clinical practice clearly show that obesity is more complex than described by this simple equation. In particular, the chapter underlined the possible role of negative body image in the etiology of this disturbance. Specifically, we suggested that unhealthful weight-control behaviors, that induce significant weight gain over time, may be driven by an allocentric negative body image that is no more updated by contrasting egocentric representations driven by perception (allocentric lock). In other words, subjects are locked to an allocentric negative representation of their body that their sensory inputs are no more able to update even after the dramatic body changes following a successful diet or bariatric surgery. In the chapter, we also discussed the possible role of virtual reality (VR) in addressing this problem within an integrated treatment approach. Specifically, we suggested that adding a 10-session experiential protocol based on the free NeuroVR (http://www.neurovr.org) virtual reality software to the classical treatment of obesity may improve its long-term outcome. The characteristics of the protocol and the outcome of two controlled clinical trials used to test it (VEPSY UPDATED - ISRCTN59019572, and AVATOB-NCT01394393) are detailed and discussed

Published
2013

3. 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

4. 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

5. 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

6. 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

7. Effect of image normalization on carotid plaque classification and the risk of ipsilateral hemispheric ischemic events: Results from the Asymptomatic Carotid Stenosis and Risk of Stroke study

Author

Nicolaides, A, Kakkos, S, Griffin, M, Sabetai, M, Dhanjil, S, Thomas, D, Geroulakos, G, Georgiou, N, Francis, S, Ioannidou, E, Doré, C, Asymptomatic Carotid, S, 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, D, 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, B, Aloi, T, Salerno, M, Fernandes e. 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, Moonen, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, A, Nicolaides, AN, Kakkos, SK, Thomas, DJ, Doré, CJ, Asymptomatic Carotid Stenosis, Alò, FP, Cicilioni, CG, Andreozzi, GM, Barros, D'Sa AA, Novelli, GP, Bornstein, NM, Cairols, MA, Cao, PG, DeRango, P, Carboni, GP, Andreadis, EA, Dimakakos, PB, Ferrari Bardile, Fitzgerald, DE, Gomez Isaza, LF, Lee, BB, McCollum, P, Dennis, MS, Gronholdt, ML, Taylor, PR, Faintuch, JM, Walker, MG, Wilkinson, AR, BIASI, GIORGIO MARIA, MINGAZZINI, PAOLO, Nicolaides, A, Kakkos, S, Griffin, M, Sabetai, M, Dhanjil, S, Thomas, D, Geroulakos, G, Georgiou, N, Francis, S, Ioannidou, E, Doré, C, Asymptomatic Carotid, S, 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, D, 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, B, Aloi, T, Salerno, M, Fernandes e. 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, Moonen, Taylor, P, Tovar Pardo, A, Negreira, J, Vayssairat, M, Faintuch, J, Valaikiené, J, Walker, M, Wilkinson, A, Nicolaides, AN, Kakkos, SK, Thomas, DJ, Doré, CJ, Asymptomatic Carotid Stenosis, Alò, FP, Cicilioni, CG, Andreozzi, GM, Barros, D'Sa AA, Novelli, GP, Bornstein, NM, Cairols, MA, Cao, PG, DeRango, P, Carboni, GP, Andreadis, EA, Dimakakos, PB, Ferrari Bardile, Fitzgerald, DE, Gomez Isaza, LF, Lee, BB, McCollum, P, Dennis, MS, Gronholdt, ML, Taylor, PR, Faintuch, JM, Walker, MG, Wilkinson, AR, BIASI, GIORGIO MARIA, and MINGAZZINI, PAOLO

Abstract

The aim of this study was to determine the effect of image normalization on plaque classification and the risk of ipsilateral ischemic neurologic events in patients with asymptomatic carotid stenosis. The first 1,115 patients recruited to the Asymptomatic Carotid Stenosis and Risk of Stroke (ACSRS) study with a follow-up of 6 to 84 months (mean 37.1 months) were included in this study. Duplex ultrasonography was used for grading the degree of internal carotid artery stenosis and for plaque characterization (types 1-5), which was performed before and after image normalization. One hundred sixteen ipsilateral ischemic hemispheric events occurred. Image normalization resulted in 60% of plaques being reclassified. Before image normalization, a high event rate was associated with all types of plaque. After image normalization, 109 (94%) of the events occurred in patients with plaque types 1 to 3. For patients with European Carotid Stenosis Trial (ECST) 70 to 99% diameter stenosis (equivalent to North American Symptomatic Carotid Endarterectomy Trial [NASCET] 50-99%) with plaque types 1 to 3, the cumulative stroke rate was 14% at 7 years (2% per year), and for patients with plaque types 4 and 5, the cumulative stroke rate was 0.9% at 7 years (0.14% per year). The results suggest that asymptomatic patients with plaque types 4 and 5 classified as such after image normalization are at low risk irrespective of the degree of stenosis.

Published
2005

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