Results 21 to 30 of about 44,098 (253)

Investigation of Lung Sounds Features for Detection of Bronchitis and COPD Using Machine Learning Methods

Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2021
The study is dedicated to the issue of investigation of the lung sounds digital analysis processing methods, searching for new informative features of pathological respiratory sounds and using machine learning methods for classifying the state of the ...
H. S. Porieva, K. O. Ivanko, C. I. Semkiv, V. I. Vaityshyn   +3 more
doaj   +1 more source

Lung Sound Recognition Algorithm Based on VGGish-BiGRU

IEEE Access, 2019
Pulmonary breathing sound plays a key role in the prevention and diagnosis of the lung diseases. Its correlation with pathology and physiology has become an important research topic in the pulmonary acoustics and the clinical medicine.
Lukui Shi, Kang Du, Chaozong Zhang, Hongqi Ma, Wenjie Yan   +4 more
doaj   +1 more source

Study of Techniques and Methods for Building a Database of Lung Auscultation Sounds [PDF]

Zhongguo quanke yixue
Currently, the results of lung sound auscultation with either physical or electronic stethoscopes still rely mainly on the doctor's professional auscultation identification ability, which has not yet been able to realise intelligent diagnosis and ...
ZHANG Dongying, YE Peitao, LI Qiasheng, JIAN Wenhua, LIANG Zhenyu, ZHENG Jinping
doaj   +1 more source

Homogenization of a Model for the Propagation of Sound in the Lungs [PDF]

Multiscale Modeling & Simulation, 2015
In this paper, we are interested in the mathematical modeling of the propagation of sound waves in the lung parenchyma, which is a foam-like elastic material containing millions of air-filled alveoli. In this study, the parenchyma is governed by the linearized elasticity equations, and the air by the acoustic wave equations.
Cazeaux, Paul, Grandmont, Céline, Maday, Yvon   +2 more
openaire   +2 more sources

A two-stage amplified PZT sensor for monitoring lung and heart sounds in discharged pneumonia patients

Microsystems & Nanoengineering, 2021
Assessment of lung and heart states is of critical importance for patients with pneumonia. In this study, we present a small-sized and ultrasensitive accelerometer for continuous monitoring of lung and heart sounds to evaluate the lung and heart states ...
Hongbin Chen, Shuai Yu, Haiyang Liu, Jie Liu, Yongguang Xiao, Dandan Wu, Xiaoyu Pan, Cuihong Zhou, Yifeng Lei, Sheng Liu   +9 more
doaj   +1 more source

Development of an Electronic Stethoscope and a Classification Algorithm for Cardiopulmonary Sounds

Sensors, 2022
With conventional stethoscopes, the auscultation results may vary from one doctor to another due to a decline in his/her hearing ability with age or his/her different professional training, and the problematic cardiopulmonary sound cannot be recorded for
Yu-Chi Wu, Chin-Chuan Han, Chao-Shu Chang, Fu-Lin Chang, Shi-Feng Chen, Tsu-Yi Shieh, Hsian-Min Chen, Jin-Yuan Lin   +7 more
doaj   +1 more source

Frailty Predicts Incident Osteoporotic Fractures in Veterans with Rheumatoid Arthritis

Arthritis Care &Research, EarlyView.
Objective Rheumatoid arthritis (RA) is associated with an increased risk of frailty and osteoporosis, but the relationship between frailty and incident osteoporotic fractures in RA is underexplored. Methods Data were from the Veterans Affairs (VA) Rheumatoid Arthritis Registry. Frailty was measured using the VA Frailty Index (VAFI).
Katherine D. Wysham, Hannah F. Brubeck, Aaron Baraff, Punyasha Roul, Namrata Singh, James S. Andrews, Grant W. Cannon, Gary A. Kunkel, Ted R. Mikuls, Bryant R. England, Dolores M. Shoback, Patricia P. Katz, Jose M. Garcia, Ariela R. Orkaby, Joshua F. Baker   +14 more
wiley   +1 more source

Heart and Lung Sound Measurement Using an Esophageal Stethoscope with Adaptive Noise Cancellation

Sensors, 2021
In surgeries where general anesthesia is required, the auscultation of heart and lung sounds is essential to provide information on the patient’s cardiorespiratory system.
Nourelhuda Mohamed, Hyun-Seok Kim, Kyu-Min Kang, Manal Mohamed, Sung-Hoon Kim, Jae Gwan Kim   +5 more
doaj   +1 more source

A Systematic Study of GelMA‐Carbopol Bioinks for High‐Fidelity Extrusion 3D Bioprinting at Physiological Temperatures

Advanced Healthcare Materials, EarlyView.
Gonzalez Martinez and collaborators develop a strategy to formulate high performance GelMA‐based bioinks with low solids contents. The resulting bioinks enable 3D bioprinting at 37 °C of high‐fidelity structures with tunable mechanical properties that support high cell viability and function.
David A. González‐Martínez, Aidee V. Arizpe Tafoya, Eduardo González‐Martínez, Mabel Barreiro Carpio, Laura Daniela Serrano Andrade, Christopher T. N. Chow, Mohammadhossein Dabaghi, Jeremy A. Hirota, Jose M. Moran‐Mirabal   +8 more
wiley   +1 more source

Detection of pathological mechano-acoustic signatures using precision accelerometer contact microphones in patients with pulmonary disorders

Scientific Reports, 2021
Monitoring pathological mechano-acoustic signals emanating from the lungs is critical for timely and cost-effective healthcare delivery. Adventitious lung sounds including crackles, wheezes, rhonchi, bronchial breath sounds, stridor or pleural rub and ...
Pranav Gupta, Haoran Wen, Lorenzo Di Francesco, Farrokh Ayazi   +3 more
doaj   +1 more source