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The gluteus medius originates on the posterior face of the ilium between the posterior and anterior gluteal lines and inserts into the lateral and superoposterior facets of the greater trochanter. Because of the asymmetric nature of the muscle, tears are more likely to occur on the thinner anterolateral portion of the tendon footprint. Gluteus medius tears range from interstitial, partial thickness tears to retracted, full-thickness tears and may result from trauma, but they are more commonly the result of chronic degeneration. Patients commonly present with lateral hip pain aggravated by weight bearing and sleeping on the affected side, weakness in abduction, and the Trendelenburg sign observable on physical examination. Indications for surgery include failed conservative treatment and an ultrasound or magnetic resonance imaging study demonstrating a torn tendon. Surgical intervention aims to reapproximate and secure the torn tendon to the tendon footprint on the greater trochanter via suture anchors. Both open and endoscopic techniques have shown to be effective methods for treating gluteus medius tears at short- and long-term follow-up; however, endoscopic techniques have been shown to result in fewer postoperative complications, such as retear. A recent systematic review and meta-analysis found patients with more severe fatty infiltration (FI) may experience greater improvement after open repair, whereas patients with less severe FI may benefit more from endoscopic treatment. A double-row repair maximizes contact area between tendon and bone and has shown to be superior to single-row repair with an endoscopic technique.In 2010, our editorial team wrote about the Internet's inarguable role in overloading information on our readers. In this editorial, we reflect on insights gained, mostly in the past decade, regarding the Internet and social media. Medical and surgical information online is easy to obtain, but it varies from platform to platform, is low in quality and reliability, and overestimates the public's ability to decipher the information. Physicians do not use social media enough, or well. Social media can engage patients and can inform patients about the quality of medical and surgical information online. Physicians, themselves, can provide reliable information that informs patients and eases their minds. Physician-authors can use social media to develop communities with shared interests in research; members of these communities can post research findings and highlight the publications in which they find them. Discussion of research online increases the likelihood that it will be cited. It is no surprise that the Internet and social media have contributed to the growth of Arthroscopy; Arthroscopy Techniques; and Arthroscopy, Sports Medicine, and Rehabilitation.Knowledge graph (KG) is a multi-relational data that has proven valuable for many tasks including decision making and semantic search. In this paper, we present GTGAT (Gated Tree-based Graph Attention), a method for tackling the problems of transductive and inductive reasoning in generalized KGs. Based on recent advancement of graph attention network (GAT), we develop a gated tree-based method to distill valuable information in neighborhood via hierarchical-aware and semantic-aware attention mechanism. Our approach not only addresses several key challenges of GAT but is also capable of undertaking multiple downstream tasks. Experimental results have revealed that our proposed GTGAT has matched state-of-the-art approaches across transductive benchmarks on the Cora, Citeseer, and electronic medical record networks (EMRNet). Meanwhile, the inductive experiments on medical knowledge graphs show that GTGAT surpasses the best competing methods for personalized disease diagnosis.Alzheimer's Disease (AD) is an irreversible neurodegenerative disease that results in a progressive decline in cognitive abilities. Since AD starts several years before the onset of the symptoms, its early detection is challenging due to subtle changes in biomarkers mainly detectable in different neuroimaging modalities. Developing computer-aided diagnostic models based on deep learning can provide excellent opportunities for the analysis of different neuroimage modalities along with other non-image biomarkers. In this survey, we perform a comparative analysis of about 100 published papers since 2019 that employ basic deep architectures such as CNN, RNN, and generative models for AD diagnosis. Moreover, about 60 papers that have applied a trending topic or architecture for AD are investigated. Explainable models, normalizing flows, graph-based deep architectures, self-supervised learning, and attention mechanisms are considered. The main challenges in this body of literature have been categorized and explained from data-related, methodology-related, and clinical adoption aspects. We conclude our paper by addressing some future perspectives and providing recommendations to conduct further studies for AD diagnosis.Deep learning-based methods, in particular, convolutional neural networks and fully convolutional networks are now widely used in the medical image analysis domain. The scope of this review focuses on the analysis using deep learning of focal liver lesions, with a special interest in hepatocellular carcinoma and metastatic cancer; and structures like the parenchyma or the vascular system. Here, we address several neural network architectures used for analyzing the anatomical structures and lesions in the liver from various imaging modalities such as computed tomography, magnetic resonance imaging and ultrasound. Image analysis tasks like segmentation, object detection and classification for the liver, liver vessels and liver lesions are discussed. Based on the qualitative search, 91 papers were filtered out for the survey, including journal publications and conference proceedings. The papers reviewed in this work are grouped into eight categories based on the methodologies used. By comparing the evaluation metrics, hybrid models performed better for both the liver and the lesion segmentation tasks, ensemble classifiers performed better for the vessel segmentation tasks and combined approach performed better for both the lesion classification and detection tasks. The performance was measured based on the Dice score for the segmentation, and accuracy for the classification and detection tasks, which are the most commonly used metrics.Diffusion tensor imaging (DTI) is a widely used method for studying brain white matter development and degeneration. However, standard DTI estimation methods depend on a large number of high-quality measurements. This would require long scan times and can be particularly difficult to achieve with certain patient populations such as neonates. Here, we propose a method that can accurately estimate the diffusion tensor from only six diffusion-weighted measurements. Our method achieves this by learning to exploit the relationships between the diffusion signals and tensors in neighboring voxels. Our model is based on transformer networks, which represent the state of the art in modeling the relationship between signals in a sequence. In particular, our model consists of two such networks. The first network estimates the diffusion tensor based on the diffusion signals in a neighborhood of voxels. The second network provides more accurate tensor estimations by learning the relationships between the diffusion signals as well as the tensors estimated by the first network in neighboring voxels. Our experiments with three datasets show that our proposed method achieves highly accurate estimations of the diffusion tensor and is significantly superior to three competing methods. Estimations produced by our method with six diffusion-weighted measurements are comparable with those of standard estimation methods with 30-88 diffusion-weighted measurements. Hence, our method promises shorter scan times and more reliable assessment of brain white matter, particularly in non-cooperative patients such as neonates and infants.Stroke is the second leading cause of death globally after ischemic heart disease, also a risk factor of cardioembolic stroke. Thus, we postulate that heartbeats encapsulate vital signals related to stroke. With the rapid advancement of deep neural networks (DNNs), it emerges as a powerful tool to decipher intriguing heartbeat patterns associated with post-stroke patients. In this study, we propose the use of a one-dimensional convolutional network (1D-CNN) architecture to build a binary classifier that distinguishes electrocardiograms (ECGs) between the post-stroke and the stroke-free. We have built two 1D-CNNs that were used to identify distinct patterns from an openly accessible ECG dataset collected from elderly post-stroke patients. In addition to prediction accuracy, which is the primary focus of existing ECG deep neural network methods, we have utilized Gradient-weighted Class Activation Mapping (GRAD-CAM) to facilitate model interpretation by uncovering subtle ECG patterns captured by our model. Our stroke model has achieved ~90 % accuracy and 0.95 area under the Receiver Operating Characteristic curve. Findings suggest that the core PQRST complex alone is important but not sufficient to differentiate the post-stroke and the stroke-free. In conclusion, we have developed an accurate stroke model using the latest DNN method. Importantly, our work has illustrated an approach to enhance model interpretation, overcoming the black-box issue confronting DNNs, fostering higher user confidence and adoption of DNNs in medicine.The continuous monitoring of an individual's breathing can be an instrument for the assessment and enhancement of human wellness. Specific respiratory features are unique markers of the deterioration of a health condition, the onset of a disease, fatigue and stressful circumstances. The early and reliable prediction of high-risk situations can result in the implementation of appropriate intervention strategies that might be lifesaving. Hence, smart wearables for the monitoring of continuous breathing have recently been attracting the interest of many researchers and companies. However, most of the existing approaches do not provide comprehensive respiratory information. For this reason, a meta-learning algorithm based on LSTM neural networks for inferring the respiratory flow from a wearable system embedding FBG sensors and inertial units is herein proposed. Different conventional machine learning approaches were implemented as well to ultimately compare the results. YK-4-279 concentration The meta-learning algorithm turned out to cic sensors (r ranging from 0.84 to 0.88; test flow RMSE = 10.99 L/min, when exclusively using the thoracic FBGs). The further estimation of respiratory parameters, i.e., rate and volume, with low errors across different breathing behaviors and postures proved the potential of such approach. These findings lay the foundation for the implementation of reliable custom solutions and more sophisticated artificial intelligence-based algorithms for daily life health-related applications.Many hospitals operate with a structure that separates inpatients according to their primary disease. Conversely, these hospitals may reduce the cases of bed shortage and provide a better care for patients with multiple diseases by striving for a setup containing fewer nursing wards. We present a method for optimizing the organizational structure in a hospital where the medical specialties are consolidated into fewer wards. The patient diagnoses are the basis of our approach as we derive an improved organizational structure by using a heuristic optimization algorithm. In this algorithm, we evaluate the solution by simulating the patient flow and penalize the objective value for every patient with a diagnosis that does not match the specialties in the ward. Through numerical experimentation, and data from a Danish hospital, we validate the applicability of our approach. The proposed algorithm converged to the optimal solution in all smaller problem instances. Further, tests with the hospital data indicate that consolidating medical specialties into fewer wards is beneficial for patients with diagnoses stemming from various medical specialties.
Homepage: https://www.selleckchem.com/products/yk-4-279.html
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