Results 1 to 10 of about 3,756 (169)

Development of Real-Time Cuffless Blood Pressure Measurement Systems with ECG Electrodes and a Microphone Using Pulse Transit Time (PTT). [PDF]

Sensors (Basel), 2023
Research has shown that pulse transit time (PTT), which is the time delay between the electrocardiogram (ECG) signal and the signal from a photoplethysmogram (PPG) sensor, can be used to estimate systolic blood pressure (SBP) and diastolic blood pressure (DBP) without the need for a cuff.
Choi J, Kang Y, Park J, Joung Y, Koo C.
europepmc   +4 more sources

Measuring Suite for Vascular Response Monitoring during Hyperbaric Oxygen Therapy by Means of Pulse Transit Time (PTT) Analysis. [PDF]

Sensors (Basel), 2022
The efficacy of hyperbaric oxygen therapy in treating wound healing disorders is well established. The obvious explanation is the presence of elevated oxygen tissue tensions during the high-pressure oxygen exposure. This explanation omits that the effective agent, elevated oxygen tension, is only present for 6.25% of the time.
Wandel T, Hausherr DP, Berben D.
europepmc   +4 more sources

Intraoperative Beat-to-Beat Pulse Transit Time (PTT) Monitoring via Non-Invasive Piezoelectric/Piezocapacitive Peripheral Sensors Can Predict Changes in Invasively Acquired Blood Pressure in High-Risk Surgical Patients. [PDF]

Sensors (Basel), 2023
Abstract: Background: Non-invasive acquistion of beat-to-beat pulse transit time (PTT) via piezoelectric/piezocapacitive sensors (PES/PCS) may expand perioperative hemodynamic monitoring. This study evaluated the ability for PTT via PES/PCS to correlate with systolic, diastolic, and mean invasive blood pressure (SBPIBP, DBPIBP, and MAPIBP) and to ...
Nordine M, Pille M, Kraemer J, Berger C, Brandhorst P, Kaeferstein P, Kopetsch R, Wessel N, Trauzeddel RF, Treskatsch S.   +9 more
europepmc   +5 more sources

Blood Pressure and Heart Rate Measurements Using Fiber Bragg Grating Sensor with Optical Power Detection Scheme [PDF]

Sensors
A low-cost dual-FBG (fiber Bragg grating) architecture is employed to capture the pulse waveform of the artery at the subject’s wrist by measuring changes in optical power.
Yu-Jie Wang, Likarn Wang
doaj   +2 more sources

Pulse transit time respiratory swing as a diagnostic test for obstructive sleep apnoea in children—An observational study [PDF]

Frontiers in Neurology
BackgroundPulse transit time (PTT) has been identified as a potentially useful tool for diagnosing obstructive sleep apnoea (OSA) due to its high sensitivity in detecting cortical arousals.
Michael P. Yanney, Albert Essiam, Nicola J. Rowbotham, Andrew P. Prayle, Andrew P. Prayle   +4 more
doaj   +2 more sources

A Multimodal System for Comprehensive Cardiovascular Monitoring Using ECG, PCG, and PPG Signal Fusion [PDF]

Sensors
This study proposes a low-cost, wearable multimodal system for comprehensive cardiovascular monitoring, integrating electrocardiogram (ECG), phonocardiogram (PCG), and photoplethysmogram (PPG) signals.
Khang Thanh Tran, Thao Nguyen Tran, Dang Nguyen Huynh, Nguyen Khoa Le, Cao Dang Le, Huu Xuan Mai, Quang Linh Huynh, Trung Hau Nguyen   +7 more
doaj   +2 more sources

Pulse signal may be a key bridge connecting cardiology and pulse diagnosis of TCM [PDF]

Heliyon
Objective: This study extracts atherosclerosis indices from six channels of Cunkou and discusses the data distribution, aims to explore the connection between cardiology of modern medicine (MM) and traditional Chinese medicine (TCM) pulse diagnosis ...
Qingfeng Tang, Yan-kun Chen, Shiping Liu, Jue Wang, Liangliang Zhang, Haoyu Qu, Hui An   +6 more
doaj   +2 more sources

Assessing the Validity of Computerized Algorithms for Determining Pulse Wave Velocity: A Clinical Study [PDF]

Pulse
Introduction: Aortic stiffness, assessed through carotid-femoral pulse wave velocity (PWV), has been associated with an increased risk of cardiovascular events and mortality.
Amira Tairi, Hasan Obeid, Saliha Addour, Mark Butlin, Alberto P. Avolio, Catherine Fortier, Mohsen Agharazii   +6 more
doaj   +2 more sources

Variation of peripheral pulse transit time with internal vascular pressure changes induced by arm movement

Frontiers in Neuroscience, 2023
Pulse transit time (PTT) and blood pressure (BP) are widely used to quantify arterial characteristics. Arm position influences arterial BP and peripheral PTT.
Zhiwei Sun, Xinge Jiang, Hua Wu, Feifei Liu   +3 more
doaj   +1 more source

Small intra-individual variability of the pre-ejection period justifies the use of pulse transit time as approximation of the vascular transit. [PDF]

PLoS ONE, 2018
BACKGROUND:Vascular transit time (VTT) is the propagation time of a pulse wave through an artery; it is a measure for arterial stiffness. Because reliable non-invasive VTT measurements are difficult, as an alternative we measure pulse transit time (PTT).
Minke C Kortekaas, Marit H N van Velzen, Frank Grüne, Sjoerd P Niehof, Robert J Stolker, Frank J P M Huygen   +5 more
doaj   +1 more source