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Related papers: Micromechanical characterisation of osteoarthritic…

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Knowledge of the mechanical properties of the aorta is essential as important concerns regarding the treatment of aortic pathologies, such as atherosclerosis, aneurysms and dissections, are fundamentally mechanobiological. A comprehensive…

Medical Physics · Physics 2019-12-16 Stéphane Avril

The degeneration of articular cartilage (AC) occurs in osteoarthritis (OA), which is a leading cause of pain and disability in middle-aged and older people. The early disease related changes in cartilage extra-cellular matrix (ECM) start…

The purposes of this study were to investigate: 1) the effect of placement of region-of-interest (ROI) for texture analysis of subchondral bone in knee radiographs, and 2) the ability of several texture descriptors to distinguish between…

Image and Video Processing · Electrical Eng. & Systems 2020-05-18 Neslihan Bayramoglu , Aleksei Tiulpin , Jukka Hirvasniemi , Miika T. Nieminen , Simo Saarakkala

Objective assessment of Magnetic Resonance Imaging (MRI) scans of osteoarthritis (OA) can address the limitation of the current OA assessment. Segmentation of bone, cartilage, and joint fluid is necessary for the OA objective assessment.…

Image and Video Processing · Electrical Eng. & Systems 2022-06-27 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , Jacob L. Jaremko , Janet L. Ronsky

Collagen fibrils are the most important structural component of tendons. Their crimped structure and parallel arrangement within the tendon lead to a distinctive non-linear stress-strain curve when a tendon is stretched. Microstructural…

Tissues and Organs · Quantitative Biology 2021-03-09 James Gregory , Tom Shearer , Andrew L. Hazel

In osteochondral tissue engineering (OCTE), simultaneously regenerating subchondral bone and cartilage tissue presents a significant challenge. Multiphasic scaffolds were created and manufactured using 3D printing to address this issue.…

Accurate prediction of knee osteoarthritis (KOA) progression from structural MRI has a potential to enhance disease understanding and support clinical trials. Prior art focused on manually designed imaging biomarkers, which may not fully…

Image and Video Processing · Electrical Eng. & Systems 2024-08-07 Egor Panfilov , Simo Saarakkala , Miika T. Nieminen , Aleksei Tiulpin

This study aimed to assess the effects of an antioxidant-conjugated Hyaluronic Acid (HA), specifically HA-4-aminoresorcinol (HA4AR), on articular cartilage and subchondral bone in osteoarthritis (OA). We conducted a comparative analysis…

Tissues and Organs · Quantitative Biology 2024-12-31 Romain Rieger , Sema Kaderli , Caroline Boulocher

The aim of this study was to investigate the influence of MRI and patient data on the prediction of knee osteoarthritis (OA) incidence using different deep learning architectures. Knee OA incidence within 24 months was predicted using the…

Medical Physics · Physics 2022-09-05 Anastasis Alexopoulos , Jukka Hirvasniemi , Nazli Tümer

Bone is a stiff and though, hierarchical and continuously evolving material that optimizes its structure to respond to mechanical stimuli, which also govern growth and remodeling processes. However, a full understanding of the underlying…

Applied Physics · Physics 2022-06-30 M. Fraldi , A. Cutolo , A. R. Carotenuto , S. Palumbo , F. Bosia , N. M. Pugno

Bone marrow lesions (BMLs) are critical indicators of knee osteoarthritis (OA). Since they often appear as small, irregular structures with indistinguishable edges in knee magnetic resonance images (MRIs), effective detection of BMLs in MRI…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Shihua Qin , Ming Zhang , Juan Shan , Taehoon Shin , Jonghye Woo , Fangxu Xing

Osteoporosis, characterized by reduced bone mineral density (BMD) and compromised bone microstructure, increases fracture risk in aging populations. While dual-energy X-ray absorptiometry (DXA) is the clinical standard for BMD assessment,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-26 Jiaxing Huang , Heng Guo , Le Lu , Fan Yang , Minfeng Xu , Ge Yang , Wei Luo

Osteoarthritis (OA) is a pathology that ultimately causes joint destruction. The cartilage is one of the principal affected tissues. Alterations in the lipid mediators and an imbalance in the metabolism of cells that form the cartilage…

Biological Physics · Physics 2013-06-18 Berta Cillero-Pastor , Gert Eijkel , Andras Kiss , Francisco J. Blanco , Ron M. A. Heeren

Bone is a biomaterial undergoing continuous renewal. The renewal process is known as bone remodelling and is operated by bone-resorbing cells (osteoclasts) and bone-forming cells (osteoblasts). Both biochemical and biomechanical regulatory…

Tissues and Organs · Quantitative Biology 2014-05-21 Peter Pivonka , Pascal R. Buenzli , Stefan Scheiner , Christian Hellmich , Colin R. Dunstan

Knee osteoarthritis (OA) is a widespread chronic condition that impairs mobility and diminishes quality of life. Despite the proven benefits of exercise therapy and patient education in managing the OA symptoms pain and functional…

Machine Learning · Computer Science 2024-10-17 M. Rafiei , S. Das , M. Bakhtiari , E. M. Roos , S. T. Skou , D. T. Grønne , J. Baumbach , L. Baumbach

Organogenesis involves large deformations and complex shape changes that require elaborate mechanical regulation. Models of tissue biomechanics have been introduced to account for the coupling between mechanical response and biochemical…

Soft Condensed Matter · Physics 2025-04-16 Patrick W. Alford , Luiza Angheluta , Jorge Vinals

Mineralized collagen microfibrils in human bone provide its mechanical properties (stiffness, elasticity, ductility, energy dissipation and strength). However, detailed 3D finite element models describing the mechanical behaviour of the…

Tissues and Organs · Quantitative Biology 2012-03-01 Ridha Hambli , Abdelwahed Barkaoui

It is now possible to create perfect crystal nanowires of many metals. The deformation of such objects requires a good understanding of the processes involved in plasticity at the nanoscale. Isotropic compression of such nanometre scale…

Materials Science · Physics 2019-06-05 Con J. Healy , Graeme J. Ackland

Osteoporosis is a widespread and chronic metabolic bone disease that often remains undiagnosed and untreated due to limited access to bone mineral density (BMD) tests like Dual-energy X-ray absorptiometry (DXA). In response to this…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Hyungeun Lee , Ung Hwang , Seungwon Yu , Chang-Hun Lee , Kijung Yoon

Knee osteoarthritis frequently exhibits discordance between structural damage observed in imaging and patient-reported symptoms such as pain. This mismatch complicates clinical interpretation and patient stratification and remains…

Machine Learning · Computer Science 2026-04-21 Pegah Ahadian , Mingrui Yang , Sixu Chen , Xiaojuan Li , Qiang Guan