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The incidence of vertebral fragility fracture is increased by the presence of preexisting pathologies such as metastatic disease. Computational tools could support the fracture prediction and consequently the decision of the best medical…

Computational Engineering, Finance, and Science · Computer Science 2024-02-16 Chiara Garavelli , Alessandra Aldieri , Marco Palanca , Enrico Dall'Ara , Marco Viceconti

Metastases increase the risk of fracture when affecting the femur. Consequently, clinicians need to know if the patients femur can withstand the stress of daily activities. The current tools used in clinics are not sufficiently precise. A…

Finite element analysis is one of the most used tool for studying femoral neck fracture. Nerveless, consensus concerning either the choice of material characteristics, damage law and /or geometric models (linear on nonlinear) still remains…

Diabetic foot ulcers are triggered by mechanical loadings applied to the surface of the plantar skin. Strain is considered to play a crucial role in relation to ulcer etiology and can be assessed by Finite Element (FE) modelling. A…

Medical Physics · Physics 2023-07-19 Alessio Trebbi , Nolwenn Fougeron , Yohan Payan

The mechanical properties of human soft tissue are crucial for impact biomechanics, rehabilitation engineering and surgical simulation. Validation of these constitutive models using human data remains challenging and often requires the use…

Medical Physics · Physics 2016-04-25 Kevin M. Moerman , Cathy A. Holt , Sam L. Evans , Ciaran K. Simms

Long-term vertebral fractures severely affect the life quality of patients, causing kyphotic, lumbar deformity and even paralysis. Computed tomography (CT) is a common clinical examination to screen for this disease at early stages.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Xin Wei , Huaiwei Cong , Zheng Zhang , Junran Peng , Guoping Chen , Jinpeng Li

Vertebrae localization, segmentation and identification in CT images is key to numerous clinical applications. While deep learning strategies have brought to this field significant improvements over recent years, transitional and…

Image and Video Processing · Electrical Eng. & Systems 2022-06-27 Di Meng , Edmond Boyer , Sergi Pujades

Pressure ulcers are a severe disease affecting patients that are bedridden or in a wheelchair bound for long periods of time. These wounds can develop in the deep layers of the skin of specific parts of the body, mostly on heels or sacrum,…

Accurate and automatic segmentation of intervertebral discs from medical images is a critical task for the assessment of spine-related diseases such as osteoporosis, vertebral fractures, and intervertebral disc herniation. To date, various…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Reza Azad , Moein Heidari , Julien Cohen-Adad , Ehsan Adeli , Dorit Merhof

The local geometrical randomness of metal foams brings complexities to the performance prediction of porous structures. Although the relative density is commonly deemed as the key factor, the stochasticity of internal cell sizes and shapes…

Machine Learning · Computer Science 2022-11-04 Da Chen , Nima Emami , Shahed Rezaei , Philipp L. Rosendahl , Bai-Xiang Xu , Jens Schneider , Kang Gao , Jie Yang

Clinical use of finite element analysis requires validation and reproducibility studies. The current study compared two models of vertebral bodies including endplates, on the same experimental dataset and evaluated the influence of the…

Numerical Analysis · Mathematics 2024-02-15 V. Allard , C. Heidsieck , F. Bermond , C. Confavreux , C. Travert , L. Gajny , 3 , W. Skalli , D. Mitton , H. Follet

Classification of vertebral compression fractures (VCF) having osteoporotic or neoplastic origin is fundamental to the planning of treatment. We developed a fracture classification system by acquiring quantitative morphologic and bone…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Yinong Wang , Jianhua Yao , Joseph E. Burns , Ronald M. Summers

Adult spine deformity (ASD) is prevalent and leads to a sagittal misalignment in the vertebral column. Computational methods, including Finite Element (FE) Models, have emerged as valuable tools for investigating the causes and treatment of…

Intervertebral discs (IVDs), as small joints lying between adjacent vertebrae, have played an important role in pressure buffering and tissue protection. The fully-automatic localization and segmentation of IVDs have been discussed in the…

Image and Video Processing · Electrical Eng. & Systems 2020-09-30 Chuanbo Wang , Ye Guo , Wei Chen , Zeyun Yu

Labeling intervertebral discs is relevant as it notably enables clinicians to understand the relationship between a patient's symptoms (pain, paralysis) and the exact level of spinal cord injury. However manually labeling those discs is a…

Image and Video Processing · Electrical Eng. & Systems 2020-03-12 Lucas Rouhier , Francisco Perdigon Romero , Joseph Paul Cohen , Julien Cohen-Adad

Degenerative spinal pathologies are highly prevalent among the elderly population. Timely diagnosis of osteoporotic fractures and other degenerative deformities facilitates proactive measures to mitigate the risk of severe back pain and…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Hellena Hempe , Alexander Bigalke , Mattias P. Heinrich

The precise and accurate segmentation of the vertebral column is essential in the diagnosis and treatment of various orthopedic, neurological, and oncological traumas and pathologies. Segmentation is especially challenging in the presence…

Computer Vision and Pattern Recognition · Computer Science 2016-01-14 Yinong Wang , Jianhua Yao , Holger R. Roth , Joseph E. Burns , Ronald M. Summers

The layering approach used in fused filament fabrication (FFF) enables creation of complex designs generated by topology optimization. Defects associated with the layer-by-layer process, introduce considerable random variability to the…

Materials Science · Physics 2024-09-04 Zahra Kazemi , Craig A. Steeves

Simulation studies like finite element (FE) modeling provide insight into knee joint mechanics without patient experimentation. Generic FE models represent biomechanical behavior of the tissue by overlooking variations in geometry, loading,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Reza Kakavand , Mehrdad Palizi , Peyman Tahghighi , Reza Ahmadi , Neha Gianchandani , Samer Adeeb , Roberto Souza , W. Brent Edwards , Amin Komeili

The aim of this paper is to design a deep learning-based model to predict proximal femoral strength using multi-view information fusion. Method: We developed new models using multi-view variational autoencoder (MVAE) for feature…

Machine Learning · Computer Science 2023-12-22 Chen Zhao , Joyce H Keyak , Xuewei Cao , Qiuying Sha , Li Wu , Zhe Luo , Lanjuan Zhao , Qing Tian , Chuan Qiu , Ray Su , Hui Shen , Hong-Wen Deng , Weihua Zhou
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