AIMC Topic: Regional Blood Flow
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Contactless facial video recording with deep learning models for the detection of atrial fibrillation.
Scientific reports
Jan 7, 2022
Atrial fibrillation (AF) is often asymptomatic and paroxysmal. Screening and monitoring are needed especially for people at high risk. This study sought to use camera-based remote photoplethysmography (rPPG) with a deep convolutional neural network (...
Time Factors
Image Processing, Computer-Assisted
Photoplethysmography
Electrocardiography
Male
Middle Aged
Diagnosis, Computer-Assisted
Deep Learning
Heart Rate
Video Recording
Face
Pulsatile Flow
Predictive Value of Tests
Skin
Regional Blood Flow
Atrial Fibrillation
Humans
Prospective Studies
Female
Reproducibility of Results
Aged
Aged, 80 and over
Effects of Blood Flow Restriction Therapy for Muscular Strength, Hypertrophy, and Endurance in Healthy and Special Populations: A Systematic Review and Meta-Analysis.
Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine
Nov 29, 2021
OBJECTIVES: Blood flow restriction (BFR) training is an increasingly applied tool with potential benefits in muscular hypertrophy, strength, and endurance. This study investigates the effectiveness of BFR training relative to other forms of training ...
Machine learning for detection of stenoses and aneurysms: application in a physiologically realistic virtual patient database.
Biomechanics and modeling in mechanobiology
Jul 31, 2021
This study presents an application of machine learning (ML) methods for detecting the presence of stenoses and aneurysms in the human arterial system. Four major forms of arterial disease-carotid artery stenosis (CAS), subclavian artery stenosis (SAS...
Machine learning analysis of multispectral imaging and clinical risk factors to predict amputation wound healing.
Journal of vascular surgery
Jul 24, 2021
OBJECTIVE: Prediction of amputation wound healing is challenging due to the multifactorial nature of critical limb ischemia and lack of objective assessment tools. Up to one-third of amputations require revision to a more proximal level within 1 year...
Humans
Machine Learning
Aged
Male
Middle Aged
Risk Assessment
Prospective Studies
Prognosis
Female
Risk Factors
Amputation, Surgical
Surgical Wound
Chronic Limb-Threatening Ischemia
Feasibility Studies
Regional Blood Flow
Hyperspectral Imaging
Pilot Projects
Treatment Outcome
Wound Healing
Lower Extremity
Deep Learning-Based Super-resolution Ultrasound Speckle Tracking Velocimetry.
Ultrasound in medicine & biology
Jan 6, 2020
Deep ultrasound localization microscopy (deep-ULM) allows sub-wavelength resolution imaging with deep learning. However, the injection of contrast agents (CAs) in deep-ULM is debatable because of their potential risk. In this study, we propose a deep...
Fully-automated deep learning-powered system for DCE-MRI analysis of brain tumors.
Artificial intelligence in medicine
Nov 27, 2019
Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) plays an important role in diagnosis and grading of brain tumors. Although manual DCE biomarker extraction algorithms boost the diagnostic yield of DCE-MRI by providing quantitative infor...
Automated diagnosis of heart valve degradation using novelty detection algorithms and machine learning.
PloS one
Sep 26, 2019
The blood flow through the major vessels holds great diagnostic potential for the identification of cardiovascular complications and is therefore routinely assessed with current diagnostic modalities. Heart valves are subject to high hydrodynamic loa...
Latticed Channel Model of Touchable Communication Over Capillary Microcirculation Network.
IEEE transactions on nanobioscience
Sep 25, 2019
Recent progress on bioresorbable and bio-compatible miniature systems provides prospects for developing novel nanorobots operating inside the human body. These nanoscale systems are expected to dissolve in vivo and cause no side effect after completi...
Machine Learning Classification for Assessing the Degree of Stenosis and Blood Flow Volume at Arteriovenous Fistulas of Hemodialysis Patients Using a New Photoplethysmography Sensor Device.
Sensors (Basel, Switzerland)
Aug 4, 2019
The classifier of support vector machine (SVM) learning for assessing the quality of arteriovenous fistulae (AVFs) in hemodialysis (HD) patients using a new photoplethysmography (PPG) sensor device is presented in this work. In clinical practice, the...
Exploring the relationship between the speed-resolved perfusion of blood flux and HRV following different thermal stimulations using MSE and MFE analyses.
PloS one
Jun 5, 2019
Our previous study employed the classic laser Doppler flux (LDF) to explore the complexity of local blood flow signals and their relationship with heart rate variability (HRV). However, microcirculation blood flow is composed of different velocity co...
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