This study focuses on the diagnostic analysis of cartilage damage in knee joint based acoustic signals generated by joint. The research utilizes a combination advanced signal processing techniques, specifically empirical mode decomposition (EEMD) and detrended fluctuation (DFA), alongside convolutional neural networks (CNNs) for classification detection tasks. Acoustic signals, often reflecting mechanical behavior during movement, serve as non-invasive tool assessing condition. EEMD is...

Cartilage loss due to osteoarthritis (OA) in the patellofemoral joint provokes pain, stiffness, and restriction of motion, which strongly reduces quality life. Early diagnosis is essential for prolonging painless function. Vibroarthrography (VAG) has been proposed literature as a safe, noninvasive, reproducible tool cartilage evaluation. Until now, however, there have no strict protocols VAG acquisition especially regard differences between tibiofemoral joints. The purpose this study was...

This paper presents the results of a preliminary study on simplified diagnosis osteoarthritis knee joint based generated vibroacoustic processes. The analysis was acoustic signals recorded in group 50 people, half whom were healthy, and other - people with previously confirmed degenerative changes. Selected discriminants determined statistical performed to allow selection optimal used at later stage as input classifier. best classification using artificial neural networks (ANN) RBF (Radial...

Osteoarthritis is one of the most common cause disability among elderly. It can affect every joint in human body, however, it prevalent hip, knee, and hand joints. Early diagnosis cartilage lesions essential for fast accurate treatment, which prolong function. Available diagnostic methods include conventional X-ray, ultrasound magnetic resonance imaging. However, those modalities are not suitable screening purposes. Vibroarthrography proposed literature as a method lesions. exact signal...

Osteoarthritis is one of the leading causes disability around globe. Up to this date there no definite cure for cartilage lesions. Only fast and accurate diagnosis enables prolonging joint survivor time. Available diagnostic methods have disadvantages such as high price, radiation, need experienced radiologists or low availability in some regions. The present study evaluates use vibroarthorgraphy a method lesion detection. 47 patients with diagnosed lesions, 51 healthy control group been...

Osteoarthritis (OA) is a chronic, progressive disease which has over 300 million cases each year. Some of the main symptoms OA are pain, restriction joint motion and stiffness joint. Early diagnosis treatment can prolong painless function. Vibroarthrography (VAG) cheap, reproducible, non-invasive easy-to-use tool be implemented in diagnostic route. The aim this study was to establish accuracy identify most accurate signal processing method for detection knee joints. In study, we have...

This study involved an investigation into the electrochemical characteristic of a few biogenic amines (BAs) occurring at polarized interface between two immiscible electrolyte solutions (ITIES) with ion transfer voltammetry (ITV). The main focus this research was comprehensive electroanalytical and physicochemical analysis phenylethylamine (PEA), allowing determined formal Galvani potential reaction (ΔorgaqΦ′), diffusion coefficients (D), free Gibbs energy (ΔG′aq→org)...

Purpose: This study evaluated the diagnostic accuracy of physical examination and magnetic resonance imaging (MRI) in knee injuries. Methods: Ninety-six patients at a regional hospital were included study. Each participant underwent which menisci ACL evaluated. Knee joint MRI was collected from each patient. Physical scans then compared with arthroscopy findings as golden standard for meniscal ligamentous lesions. The data analyzed specificity sensitivity calculated correlated on receiver...

Purpose: This study was conducted in order to evaluate the clinical utility of MRI detecting cartilage lesions and its dependence on anatomical location lesion grade. Methods: A retrospective analysis reports arthroscopic findings performed 190 consecutive patients treated one orthopaedic department. protocols were prepared by 18 radiologists from 10 different centers with use 1.5 T magnets. The image selected reading radiologists. Four hundred fifty-three chondral five anatomic locations...

The paper presents the results of a numerical analysis (FEM) describing effect undercutting head angle on formation rock mass failure zone during initial stages propagation. research was carried out in context developing technology for extraction by controlled pull-out undercut anchors installed mass. focus stage crack propagation and its trajectory embedded at an assumed constant depth value friction coefficient against anchor head. It is shown that smaller angles favor stripping increased...

Revision surgeries several years after the implantation of prosthesis are unfavorable from patient’s point view as they expose him to additional discomfort, risk complications and expensive. One factors responsible for aseptic loosening is gradual degradation cement material a result working under considerable loads, in an aggressive environment human body. Contaminants present surgical field may significantly affect durability bone and, consequently, entire bone-cement-prosthesis system....

Traumatic injuries are a significant global health concern, with profound medical and socioeconomic impacts. This study explores the patterns of trauma-related hospitalizations in Lublin Province Poland, particular focus on periods before during COVID-19 pandemic. The primary aim this research was to assess trends trauma admissions, average length hospital stays, mortality rates associated different types injuries, comparing urban rural settings over two distinct time periods: 2018-2019...

This study examined the influence of effective embedment depth hef undercut anchors and diameter their heads on formation so-called cone failure angle α. Cone during simulated anchor pull-out tests was analyzed numerically using Finite Element Method (FEM) with ABAQUS software XFEM algorithm. The analysis conducted for three sizes four depths. numerical results were compared field test obtained installed in a rock medium (sandstone). Good agreement observed between results. are highly...

Forecasts indicate a substantial increase in the occurrence of eye injuries future armed conflicts. The Russian invasion Ukraine, launched February 2022, caused numerous among civilians as well military personnel, generating serious epidemiological threat related to vision loss. main goal this study was analyze different traumas Ukrainian population by hostilities, which could allow for relative estimate long-term consequences health care system, such loss large group citizens. To assess...

Introduction: The study aimed to evaluate the effectiveness of zoomorphic robot Brian in therapy children diagnosed with autism spectrum disorder (ASD) compared standard therapist-led interventions. assessment focused on child's level interest robot, willingness respond verbal commands given by adaptive behaviors, social communication, imitation during play, and recognition emotional states presented robot. Materials methods: included fourteen children, a total 116 sessions conducted. Each...

Abstract Introducing the Minimum Spanning Tree (MST) algorithms to neural networks science eliminated problem of arbitrary setting threshold for connectivity strength. Despite these advantages, MST has been rarely used study network abnormalities in schizophrenia. An graph mapping a structure is its simplification, therefore, it important verify whether reconfigured significantly related behavioural dimensions clinical picture 35 first-episode schizophrenia patients and matched healthy...

This study employs the numerical analysis and experimental testing to analyze fracturing mechanics size of rock cones formed in pull-out a system three undercut anchors. The research sets out broaden knowledge regarding: (a) potential anchor process mining mass, (b) estimating load-carrying capacity anchors embedded mass (which is distinctly different from anchorage concrete). Undercut are most commonly applied as fasteners steel components concrete structures. new application for postulated...