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Alexandre Terrier

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Related publications (111)

Page 3 of 6

Activities of daily living with reverse prostheses: importance of scapular compensation for functional mobility of the shoulder

Patricia Scheuber, Dominique Pioletti, Alexandre Terrier, Alain Farron

Hypothesis: The nonanatomical design of reverse shoulder prostheses induce medial displacement of the center of rotation, impingements and may reduce the mobility of the shoulder. The aim of this study is to test the hypothesis that during activities of da ...

Elsevier2013

Effect of a pathological scapular tilt after total shoulder arthroplasty

Dominique Pioletti, Alexandre Terrier, Alain Farron

Total shoulder arthroplasty (TSA) is an accepted and most successfully used treatment for different shoulder pathologies. Different risk factors for the failure of the prosthesis are known. A pathological scapular orientation, observed in elderly people or ...

Taylor & Francis2013

Impact of the Femoral Head Position on Moment Arms in Total Hip Arthroplasty: A Parametric Finite Element Study

Alexandre Terrier, Valérie Parvex

Background: Although the importance of accurate femoral reconstruction to achieve a good functional outcome is well documented, quantitative data on the effects of a displacement of the femoral center of rotation on moment arms are scarce. The purpose of t ...

Elsevier2016

Association of the Posterior Acromion Extension with Glenoid Retroversion: A CT Study in Normal and Osteoarthritic Shoulders

Alexandre Terrier, Alain Farron, Patrick Goetti, Frédéric Vauclair

Posterior eccentric glenoid wear is associated with higher complication rates after shoulder arthroplasty. The recently reported association between the acromion shape and glenoid retroversion in both normal and osteoarthritic shoulders remains controversi ...

MDPI2022

Age- and sex-specific normative values of bone mineral density in the adult glenoid

Dominique Pioletti, Alexandre Terrier, Alain Farron, Philippe Büchler, Patrick Goetti, Frédéric Vauclair

The objective of this study was to determine the normative bone mineral density (BMD) of cortical and trabecular bone regions in the adult glenoid and its dependence on the subject's age and sex. We analyzed computed tomography (CT) scans of 441 shoulders ...

WILEY2022

Dual mobility cups provide biomechanical advantages in situations at risk for dislocation: a finite element analysis

Alexandre Terrier, Adeliya Latypova, Valérie Parvex, Maïka Réane Guillemin

Purpose Constrained devices, standard implants with large heads, and dual mobility systems have become popular options to manage instability after total hip arthroplasty (THA). Clinical results with these options have shown variable success rates and signi ...

Springer Verlag2017

A Minimal Set of Coordinates for Describing Humanoid Shoulder Motion

Alexandre Terrier, Alain Farron, Christoph Anselm Engelhardt, David Ingram

The kinematics of the anatomical shoulder are analysed and modelled as a parallel mechanism similar to a Stewart platform. A new method is proposed to describe the shoulder kinematics with minimal coordinates and solve the indeterminacy. The minimal coordi ...

Ieee2013

Simulated joint and muscle forces in reversed and anatomic shoulder prostheses

Alexandre Terrier, Alain Farron, Francesco Merlini, Adrian Reist

Reversed shoulder prostheses are increasingly being used for the treatment of glenohumeral arthropathy associated with a deficient rotator cuff. These non-anatomical implants attempt to balance the joint forces by means of a semi-constrained articular surf ...

2008

Time course of bone screw fixation following a local delivery of zoledronate in a rat femoral model – a micro-finite element analysis

Dominique Pioletti, Alexandre Terrier, Ulrike Kettenberger, Adeliya Latypova

A good fixation of osteosynthesis implants is crucial for a successful bone healing but often difficult to achieve in osteoporotic patients. One possible solution to this issue is the local delivery of bisphosphonates in direct proximity to the implants, A ...

Elsevier2015

In vivo cyclic loading as a potent stimulatory signal for bone formation inside tissue engineering scaffolds

Dominique Pioletti, Alexandre Terrier, Pierre-Etienne Bourban, Alireza Roshan Ghias

In clinical situations, bone defects are often located at load bearing sites. Tissue engineering scaffolds are future bone substitutes and hence they will be subjected to mechanical stimulation. The goal of this study was to test if cyclic loading can be u ...

European Cells & Materials Ltd2010

Delay of intracortical bone remodelling following a stress change: a theoretical and experimental study

Alexandre Terrier

BACKGROUND: A theoretical model and an experimental setup were specifically designed to identify and determine the delay of the cortical bone response (restricted to mineralization and demineralization) to a stress change. METHODS: The in vivo experiment c ...

2005

Importance of trabecular anisotropy in finite element predictions of patellar strain after Total Knee Arthroplasty

Dominique Pioletti, Alexandre Terrier, Adeliya Latypova

Patellar fracture and anterior knee pain remain major complications after Total Knee Arthroplasty (TKA). Patient-specific finite element (FE) models should help improve understanding of these complications through estimation of joint and bone mechanics. Ho ...

Elsevier2017

Mechanical evaluation of a tissue-engineered zone of calcification in a bone-hydrogel osteochondral construct

Dominique Pioletti, Alexandre Terrier, Jérôme Hollenstein

The objective of this study was to test the hypothesis that mechanical properties of artificial osteochondral constructs can be improved by a tissue-engineered zone of calcification at the bone-hydrogel interface. Experimental push-off tests were performed ...

Taylor & Francis2015

Simultaneous and multisite measure of micromotion, subsidence and gap to evaluate femoral stem stability

Dominique Pioletti, Alexandre Terrier, Miguel Gortchacow

The initial stability of cementless femoral components is crucial for the long-term success of total hip arthroplasty. This has been reported in animal and clinical studies. Until now, the stability was evaluated by the measurement of relative micromotion ...

Elsevier2012

Targeted mechanical properties for optimal fluid motion inside artificial bone substitutes

Dominique Pioletti, Alexandre Terrier, Luc Blecha

The goal of this study was to develop a method that identifies optimal elastic modulus, Poisson’s ratio, porosity and permeability values for mechanically stressed bone substitute. It was hypothesized that porous bone substitute that favors the transport o ...

2009

Fixed and mobile-bearing total ankle prostheses: Effect on tibial bone strain

Caroline Sieger Fernandes, Alexandre Terrier, Xavier Crevoisier, Maïka Réane Guillemin

Background Total ankle replacement is associated to a high revision rate. To improve implant survival, the potential advantage of prostheses with fixed bearing compared to mobile bearing is unclear. The objective of this study was to test the hypothesis th ...

Elsevier2017

Importance of a three-dimensional measure of humeral head subluxation in osteoarthritic shoulders

Alexandre Terrier, Alain Farron, Julien Ston

Hypothesis: During total shoulder arthroplasty (TSA), humeral head subluxation may be difficult to manage. Furthermore, there is a risk for postoperative recurrence of subluxation, affecting the outcome of TSA. An accurate evaluation of the subluxation is ...

Elsevier2015

Calcium phosphate cement augmentation of cancellous bone screws can compensate for the absence of cortical fixation

Dominique Pioletti, Alexandre Terrier, Vincent Stadelmann

An obvious means to improve the fixation of a cancellous bone screw is to augment the surrounding bone with cement. Previous studies have shown that bone augmentation with Calcium Phosphate (CaP) cement significantly improves screw fixation. Nevertheless, ...

Elsevier2010

Dynamical biomechanical model of the shoulder for muscle-force estimation

Alexandre Terrier, Alain Farron

A biomechanical model of the human shoulder complex is proposed for quasi-static and dynamic estimation of the muscle forces and joint reaction forces in the glenohumeral joint. The model bases itself on the Garner & Pandy model but adds a dynamic layer. T ...

Ieee2012

A new technique to measure micromotion distribution around a cementless femoral stem

Dominique Pioletti, Alexandre Terrier, Miguel Gortchacow

The interfacial micromotion is closely associated to the long-term success of cementless hip prostheses. Various techniques have been proposed to measure them, but only a few number of points over the stem surface can be measured simultaneously. In this pa ...

Elsevier2011