Results 71 to 80 of about 24,907 (232)

Photoplethysmography in Normal and Pathological Sleep

Sensors, 2021
This article presents an overview of the advancements that have been made in the use of photoplethysmography (PPG) for unobtrusive sleep studies. PPG is included in the quickly evolving and very popular landscape of wearables but has specific interesting properties, particularly the ability to capture the modulation of the autonomic nervous system ...
Ramona S. Vulcan, Stephanie André, Marie Bruyneel   +2 more
openaire   +4 more sources

Investigation of finger reflectance photoplethysmography in volunteers undergoing a local sympathetic stimulation [PDF]

, 2013
Optical sensors used in clinical applications have gained great popularity over the last few decades, especially the photoplethysmographic (PPG) technique used in estimating arterial blood oxygen saturation in the well-known medical devices called pulse ...
Asano M, Badeer H S, Challoner A V J, Ernst E, H Njoum, Hertzman, Mourot L, Nielsen K, Nijboer J A, P A Kyriacou, Rybynok V, Shafique M   +11 more
core   +1 more source

Artificial intelligence for adaptive neuromodulation in drug‐resistant epilepsy

Epilepsia, EarlyView.
Abstract Drug‐resistant epilepsy (DRE) affects nearly one third of people with epilepsy and is associated with substantial cognitive, psychiatric, and mortality burdens. For patients who are not candidates for resection or laser interstitial thermal therapy, neuromodulation therapies such as vagus nerve stimulation, deep brain stimulation, and ...
Amir Hossein Daraie, Arianna Damiani, Mahsa Khoshkhou, Luis A. Sanchez, Rachel J. Smith, Shruti H. Agashe, Jorge A. Gonzalez‐Martinez, Jennifer Hopp, Adam S. Charles, Sridevi V. Sarma, Joon‐Yi Kang   +10 more
wiley   +1 more source

Advancements in Remote Photoplethysmography

Electronics
Advancements in camera technology over the past two decades have made image-based monitoring increasingly accessible for healthcare applications. Imaging photoplethysmography (iPPG) and remote photoplethysmography (rPPG) are non-invasive methods for measuring vital signs, such as heart rate, respiratory rate, oxygen saturation, and blood pressure ...
Saikevičius, Linas, Raudonis, Vidas, Kozlovskaja - Gumbriene, Agne, Šakalytė, Gintarė   +3 more
openaire   +1 more source

Photoplethysmography and Artificial Intelligence for Blood Glucose Level Estimation in Diabetic Patients: A Scoping Review

IEEE Access
New technologies, including artificial intelligence (AI), offer significant opportunities to improve blood glucose level (BGL) estimation systems, potentially enhancing care and quality of life for diabetic patients.
Sara Lombardi, Leonardo Bocchi, Piergiorgio Francia   +2 more
doaj   +1 more source

Power spectral density-based nearinfrared sub-band detection for noninvasive blood glucose prediction in both in-vitro and in-vivo studies [PDF]

Journal of Innovative Optical Health Sciences, 2018
Diabetes is a widespread and serious disease and noninvasive measurement has been in high demand. To address this problem, a power spectral density-based method was offered for determining glucose sensitive sub-bands in the nearinfrared (NIR) spectrum ...
Ibrahim Akkaya, Erman Selim, Mert Altintas, Mehmet Engin   +3 more
doaj   +1 more source

Monitoring of the central blood pressure waveform via a conformal ultrasonic device. [PDF]

, 2018
Continuous monitoring of the central-blood-pressure waveform from deeply embedded vessels, such as the carotid artery and jugular vein, has clinical value for the prediction of all-cause cardiovascular mortality. However, existing non-invasive approaches,
Bhaskaran, Shubha, Chen, Yimu, Chen, Zeyu, Gong, Hua, Gu, Yue, Guo, Yuxuan, Hu, Hongjie, Huang, Brady, Huang, Zhenlong, Lei, Yusheng, Li, Xiaoshi, Li, Yang, Lin, Muyang, Makihata, Mitsutoshi, Pisano, Albert P, Wang, Chonghe, Wang, Chunfeng, Xu, Sheng, Yin, Zhenan, Zhang, Liangfang, Zhang, Lin, Zhang, Tianjiao, Zhang, Zhuorui, Zhou, Qifa   +23 more
core   +1 more source

Comparison of methods for determining pulse arrival time from Doppler and photoplethysmography signals [PDF]

, 2014
The aim of this study was to compare three foot-finding methods applied to ultrasound Doppler and photoplethysmographic (PPG) signals: maximum 1st derivative, maximum 2nd derivative and an 'intersecting tangents' method.
Kyriacou, P. A., Phillips, J. P.
core   +1 more source

Detection of focal impaired awareness seizures using a biometric shirt

Epilepsia Open, EarlyView.
Abstract Objective In recent years, seizure detection using wearable technology has gained significant attention in research. Most studies, however, have focused on detecting generalized or focal to bilateral tonic–clonic seizures. This study evaluates the feasibility of using a biometric shirt to detect focal impaired awareness seizures (FIAS) by ...
Jérôme St‐Jean, Oumayma Gharbi, Dènahin Hinnoutondji Toffa, Thi Phuoc Yen Tran, Manon Robert, Dang Khoa Nguyen, Elie Bou Assi   +6 more
wiley   +1 more source

A Comparative Study Between ECG- and PPG-Based Heart Rate Sensors for Heart Rate Variability Measurements: Influence of Body Position, Duration, Sex, and Age

Sensors
This study evaluated the validity of a photoplethysmography (PPG)-based sensor (Polar OH1) for measuring heart rate variability (HRV), compared to an electrocardiography (ECG)-based reference device (Polar H10), considering body position (supine vs ...
Alexandre Coste, Geoffrey Millour, Christophe Hausswirth   +2 more
doaj   +1 more source