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Association Between Finger Plethysmographic Features and Impedance-Based Thoracic Fluid Content Measurement in a Lower Body Negative Pressure Model of Hemorrhagic Shock.
Mil Med
November 2024
Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
Introduction: Timely identification of the need for lifesaving intervention in battlefield conditions may be improved through automated monitoring of the injured warfighter. Technologies that combine maximal noninvasive insight with minimal equipment footprint give the greatest opportunity for deployment at scale with inexperienced providers in forward areas. Finger photoplethysmography (PPG) signatures are associated with impending hemorrhagic shock but may be insufficient alone.
View Article and Find Full Text PDFAssociation between the Serum Soluble Urokinase Plasminogen Activator Receptor and Peripheral Arterial Stiffness According to the Cardio-Ankle Vascular Index in Patients Undergoing Kidney Transplantation.
Rev Cardiovasc Med
June 2024
School of Medicine, Tzu Chi University, 97004 Hualien, Taiwan.
Background: High soluble urokinase plasminogen activator receptor (suPAR) levels are correlated with cardiovascular (CV) disease. Arterial stiffness is associated with aging-related vascular diseases and is an independent risk factor for CV morbidity and mortality. It can be measured by the cardio-ankle vascular index (CAVI).
View Article and Find Full Text PDFUse of Pleth Variability Index as a Non-invasive, Dynamic Indicator of Left Atrial Pressure Change During MitraClip: Transcatheter Mitral Valve Repair.
Semin Cardiothorac Vasc Anesth
September 2024
Department of Anesthesiology, Pain Management, and Perioperative Medicine, Henry Ford Hospital, Detroit, MI, USA.
Background: Transcatheter edge-to-edge repair (TEER) with MitraClip is a safe and effective alternative to surgical mitral valve repair/replacement in patients with high operative risk. Pleth Variability Index (PVI) is a non-invasive, dynamic index based on analysis of the respiratory variations in the plethysmographic waveform recorded transcutaneously by the pulse oximeter.
Objectives: The objective of the study was to evaluate if the hemodynamic effect of improved left-sided output after successful transcatheter mitral valve repair would lead to a significant change in PVI, and if it would correlate with the decrease in left atrial pressure (LAP).
Visual Evaluation of Plethysmographic Waveforms: Introducing the Simple Systolic Ratio as an Indicator of Fluid Responsiveness.
Turk J Anaesthesiol Reanim
February 2024
Koç University Hospital, Department of Anaesthesiology and Reanimation, İstanbul, Turkey.
Objective: For patient safety, maintaining hemodynamic stability during surgical procedures is critical. Dynamic indices [such as systolic pressure variation (SPV) and pulse pressure variation (PPV)], have recently seen an increase in use. Given the risks associated with such invasive techniques, there is growing interest in non-invasive monitoring methods-and plethysmographic waveform analysis.
View Article and Find Full Text PDFPulse oximetry vs non-invasive blood pressure/oscillometry to record blood pressure in neonates: A prospective observational study.
J Family Med Prim Care
June 2022
Department of Paediatrics, Malankara Orthodox Syrian Church (MOSC) Medical College Hospital, Kolenchery, Kochi, Kerala, India.
Aim: To assess the usefulness and efficacy of pulse oximetry (disappearance/reappearance of plethsmographic waves) as a method of non-invasive blood pressure monitoring in neonates.
Objective: To investigate the reliability of the plethysmographic wave form of the pulse oximeter to measure the systolic blood pressure.
Study Setting: A prospective observational study was done to assess usefulness and efficacy of pulse oximetry (disappearance/reappearance of plethysmographic waves) as a method of non-invasive blood pressure monitoring in neonates.
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