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Nikolaos Stergiopoulos

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Publications associées (238)

Noninvasive estimation of aortic hemodynamics and cardiac contractility using machine learning

Nikolaos Stergiopoulos, Stamatia Zoi Pagoulatou, Vasiliki Bikia, Georgios Rovas

Cardiac and aortic characteristics are crucial for cardiovascular disease detection. However, noninvasive estimation of aortic hemodynamics and cardiac contractility is still challenging. This paper investigated the potential of estimating aortic systolic ...

Nature Research2020

Comparison Between the eyeWatch Device and the Ahmed Valve in Refractory Glaucoma

André Mermoud, Nikolaos Stergiopoulos, Sylvain Roy, Adan Villamarin, Stéphane Bigler, Constantinos Stergiopulos

Purpose: To assess the efficacy and safety of a glaucoma procedure to control intraocular pressure (IOP) using the adjustable eyeWatch glaucoma drainage device compared with Ahmed glaucoma valve (AGV) in refractory glaucoma. Patients and Methods: Monocentr ...

LIPPINCOTT WILLIAMS & WILKINS2020

Initial Clinical Results of the eyeWatch: a New Adjustable Glaucoma Drainage Device Used in Refractory Glaucoma Surgery

André Mermoud, Nikolaos Stergiopoulos, Sylvain Roy, Adan Villamarin, Stéphane Bigler, Constantinos Stergiopulos

Precis: In this study, we report clinical results after implantation of an adjustable glaucoma drainage device. The intraocular pressure (IOP) profile was efficiently controlled postoperatively as the resistance to aqueous humor outflow was finely adjusted ...

LIPPINCOTT WILLIAMS & WILKINS2019

A 1D computer model of the arterial circulation in horses: An important resource for studying global interactions between heart and vessels under normal and pathological conditions

Nikolaos Stergiopoulos, Patrick Segers

Arterial rupture in horses has been observed during exercise, after phenylephrine administration or during parturition (uterine artery). In human pathophysiological research, the use of computer models for studying arterial hemodynamics and understanding n ...

2019

Co-localization of microstructural damage and excessive mechanical strain at aortic branches in Angiotensin-II-infused mice

Nikolaos Stergiopoulos, Patrick Segers, Bram Trachet, Lydia Aslanidou, Mauro Ferraro, Goran Lovric

Animal models of aortic aneurysm and dissection can enhance our limited understanding of the etiology of these lethal conditions particularly because early-stage longitudinal data are scant in humans. Yet, the pathogenesis of often-studied mouse models and ...

2019

Synchrotron-based visualization and segmentation of elastic lamellae in the mouse carotid artery during quasi-static pressure inflation

Nikolaos Stergiopoulos, Patrick Segers, Bram Trachet, Lydia Aslanidou, Mauro Ferraro, Goran Lovric

2019

Experimental Drainage Device to Reduce Lymphoedema in a Rat Model

Nikolaos Stergiopoulos, Melody Swartz, Marco Pisano, Valentina Triacca

Objective: Despite recent advances in pharmacological research and microsurgery, lymphoedema remains an incurable disease that deeply affects quality of life. There is an urgent need for innovative approaches to restore continuous lymph flow in affected ti ...

2019

Synchrotron-based phase contrast imaging of cardiovascular tissue in mice-grating interferometry or phase propagation?

Nikolaos Stergiopoulos, Patrick Segers, Bram Trachet, Lydia Aslanidou, Mauro Ferraro, Goran Lovric

Synchrotron-based x-ray phase-contrast imaging allows for detailed 3D insight into the microstructure of soft tissue and is increasingly used to improve our understanding of mouse models of cardiovascular disease. Two techniques dominate the field: grating ...

2019

A systematic review and meta-analysis of the efficacy of aortic anastomotic devices

Nikolaos Stergiopoulos, Dimitrios Schizas

Objective: One of the factors contributing to complications related to open repair of the aorta is the construction of a hand-sewn anastomosis. Aortic anastomotic devices (AADs), such as the intraluminal ringed graft (IRG), and the anastomotic stenting tec ...

MOSBY-ELSEVIER2019

From Patients to Platelets and Back Again: Pharmacological Approaches to Glycoprotein VI, a Thrilling Antithrombotic Target with Minor Bleeding Risks

Nikolaos Stergiopoulos, Augusto Martins Lima

Despite significant advances in the treatment of thrombogenic diseases, antiplatelet therapies are still associated with a high bleeding risk. Consequently, potential benefits of preventing thromboembolic events by pharmacological agents need to be balance ...

GEORG THIEME VERLAG KG2019

Endothelial Function in the Human Cutaneous Microcirculation in Primary Open Angle Glaucoma

Nikolaos Stergiopoulos, Rodrigo Araujo Fraga Da Silva

KARGER2019

Implantable fluid delivery device

Nikolaos Stergiopoulos, Michel Bachmann

An implantable delivery device for delivering a fluid in a controlled manner, including a body having a chamber, a tube having an inlet and an outlet, at least a portion of the tube passing through the chamber, a drive pinion operatively connected to a mot ...

2019

An optimized and validated 384-well plate assay to test platelet function in a high-throughput screening format

Nikolaos Stergiopoulos, Marc Chambon, Olivier Burri, Rodrigo Araujo Fraga Da Silva, Fabiana Pereira Da Costa Fraga, Julien Bortoli Chapalay, Maiia Bragina, Augusto Martins Lima

Despite significant advances in the treatment of cardiovascular diseases, antiplatelet therapies are still associated with a high risk of hemorrhage. In order to develop new drugs, methods to measure platelet function must be adapted for the high-throughpu ...

TAYLOR & FRANCIS INC2019

Mapping the site-specific accuracy of loop-based local pulse wave velocity estimation and reflection magnitude: a 1D arterial network model analysis

Nikolaos Stergiopoulos, Patrick Segers

Objective: Local pulse wave velocity (PWV) can be estimated from the waterhammer equation and is an essential component of wave separation analysis. However, previous studies have demonstrated inaccuracies in the estimations of local PWV due to the presenc ...

2019

Long-Term Low-Intensity Electrostimulation Of Injured Cavernosal Nerve Improves Erectile Function Recovery In A Rat Model Of Postprostatectomy Erectile Dysfunction

Nikolaos Stergiopoulos, Mikaël Nils Sturny, Rodrigo Araujo Fraga Da Silva

ELSEVIER SCI LTD2019

On the importance of the nonuniform aortic stiffening in the hemodynamics of physiological aging

Nikolaos Stergiopoulos, Bram Trachet, Stamatia Zoi Pagoulatou, Vasiliki Bikia

Mathematical models of the arterial tree constitute a valuable tool to investigate the hemodynamics of aging and pathology. Rendering such models as patient specific could allow for the assessment of central hemodynamic variables of clinical interest. Howe ...

AMER PHYSIOLOGICAL SOC2019

Novel Concept Enabling an Old Idea: A Flexible Electrode Array to Treat Neurogenic Erectile Dysfunction

Nikolaos Stergiopoulos, Mikaël Nils Sturny, Rodrigo Araujo Fraga Da Silva

Introduction: Many studies have shown that electrostimulation of the cavernosal nerve can induce and maintain penile erection. Based on these discoveries, neurostimulation to activate the erectile response has been considered a potential solution to treat ...

ELSEVIER SCI LTD2018

Propagation-based phase-contrast synchrotron imaging of aortic dissection in mice: from individual elastic lamella to 3D analysis

Nikolaos Stergiopoulos, Patrick Segers, Bram Trachet, Lydia Aslanidou, Marco Stampanoni

In order to show the advantage and potential of propagation-based phase-contrast synchrotron imaging in vascular pathology research, we analyzed aortic medial ruptures in BAPN/AngII-infused mice, a mouse model for aortic dissection. Ascending and thoraco-a ...

Nature Research2018

Age-related changes in vascular responses to angiotensin-(1-7) in female mice

Nikolaos Stergiopoulos, Rafaela Fernandes Da Silva, Luciano Dos Santos Aggum Capettini, Fabiana Pereira Da Costa Fraga

2018

Apelin-13 treatment enhances the stability of atherosclerotic plaques

Nikolaos Stergiopoulos, Rafaela Fernandes Da Silva, Fabiana Pereira Da Costa Fraga, Léa Liliane Colette Anguenot

2018

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