Results 21 to 30 of about 90,625 (289)

Measurement error of pulse pressure variation

Journal of Clinical Monitoring and Computing, 2023
Dynamic preload parameters are used to guide perioperative fluid management. However, reported cut-off values vary and the presence of a gray zone complicates clinical decision making.
De Hert, Stefan, Wouters, Patrick, Wyffels, Piet   +2 more
core   +4 more sources

Extraction and Evaluation of Discriminative Indexes of the Wearing Condition for High-Precision Blood Pressure Pulse Wave Measurement

Micromachines, 2022
In this paper, we report a new discriminant index for evaluating the wearing condition of a blood pressure pulse wave measurement device with small variability.
Yosuke Osawa, Tetsuji Dohi
doaj   +1 more source

An experimental investigation on pulse transit time and pulse arrival time using ecg, pressure and ppg sensors

Medicine in Novel Technology and Devices, 2023
Pulse transit time (PTT) and pulse arrival time (PAT) are explored using multiple sensors connected to the human body. Pulse wave velocity (PWV) is indirectly computed using PTT. We conducted a study using ECG, Pressure, and PPG sensor to capture the PAT
Sukesh Rao M., Narendra K. C, Adithi K., Sanith C. Bangera   +3 more
doaj   +1 more source

Echocardiographic measure of dynamic arterial elastance predict pressure response during norepinephrine weaning: an observational study

Scientific Reports, 2021
The purpose of this study was to determine whether dynamic elastance EAdyn derived from echocardiographic measurements of stroke volume variations can predict the success of a one-step decrease of norepinephrine dose.
Maxime Nguyen, Osama Abou-Arab, Stéphane Bar, Hervé Dupont, Bélaïd Bouhemad, Pierre-Grégoire Guinot   +5 more
doaj   +1 more source

Evaluation of least significant changes of pulse contour analysis-derived parameters

Annals of Intensive Care, 2019
Background Many maneuvers assessing fluid responsiveness (minifluid challenge, lung recruitment maneuver, end-expiratory occlusion test, passive leg raising) are considered as positive when small variations in cardiac index, stroke volume index, stroke ...
Hugues de Courson, Loic Ferrer, Grégoire Cane, Eric Verchère, Musa Sesay, Karine Nouette-Gaulain, Matthieu Biais   +6 more
doaj   +1 more source

Intraoperative Assessment of Fluid Responsiveness in Normotensive Dogs under Isoflurane Anaesthesia

Veterinary Sciences, 2021
The aim of this study was to evaluate the incidence of fluid responsiveness (FR) to a fluid challenge (FC) in normotensive dogs under anaesthesia. The accuracy of pulse pressure variation (PPV), systolic pressure variation (SPV), stroke volume variation (
Despoina Skouropoulou, Luca Lacitignola, Caterina Di Bella, Marzia Stabile, Claudia Acquafredda, Nicola Brienza, Salvatore Grasso, Antonio Crovace, Fabrizio Iarussi, Francesco Staffieri   +9 more
doaj   +1 more source

Pulse pressure variation and volume responsiveness during acutely increased pulmonary artery pressure: an experimental study [PDF]

, 2010
We found that pulse pressure variation (PPV) did not predict volume responsiveness in patients with increased pulmonary artery pressure. This study tests the hypothesis that PPV does not predict fluid responsiveness during an endotoxin-induced acute ...
Stefanie Krahenbuhl, Daudel, Fritz, Jukka Takala, Tüller, David, Jakob, Stephan M, David Tueller, Krähenbühl, Stefanie, Takala, Jukka, Fritz Daudel, Stephan M Jakob   +9 more
core   +1 more source

Pulse-pressure variation and hemodynamic response in patients with elevated pulmonary artery pressure: a clinical study [PDF]

, 2010
Pulse-pressure variation (PPV) due to increased right ventricular afterload and dysfunction may misleadingly suggest volume responsiveness. We aimed to assess prediction of volume responsiveness with PPV in patients with increased pulmonary artery ...
Hendrik Bracht, Moritz Wyler von Ballmoos, Christoph C Ganter, Margareta Roeck, Jukka Takala, Wyler von Ballmoos, Moritz, Baenziger, Bertram, Takala, Jukka, Stephan M Jakob, Ganter, Christoph C, Ralph Schröder, Bracht, Hendrik, Roeck, Margareta, Jakob, Stephan M, David Tueller, Porta, Francesca, Schröder, Ralph, Bertram Baenziger, Tueller, David, Francesca Porta   +19 more
core   +1 more source

Comparação entre as variações respiratórias da amplitude de onda pletismográfica da oximetria de pulso e do pulso arterial em pacientes com e sem uso de norepinefrina Comparison between respiratory pulse oximetry plethysmographic waveform amplitude and arterial pulse pressure variations among patients with and without norepinephrine use

Revista Brasileira de Terapia Intensiva, 2009
OBJETIVOS: A variação respiratória da pressão arterial é um bom preditor da resposta a fluidos em pacientes ventilados. Foi recentemente demonstrado que a variação respiratória na pressão arterial de pulso se correlaciona com a variação da amplitude da ...
Guilherme Loures de Araújo Penna, Paula Araujo Rosa, Pedro Martins Pereira Kurtz, Fabricio Braga, Gustavo Ferreira Almeida, Marcia Freitas, Luis Eduardo Drumond, Ronaldo Vegni e Souza, Michel Schatkin Cukier, André Salgado, Clóvis Faria, José Kezen, André Miguel Japiassú, Marcelo Kalichsztein, Gustavo Nobre   +14 more
doaj   +1 more source

Robust computation of pulse pressure variations [PDF]

Biomedical Signal Processing and Control, 2018
Evidence of arterial pulse pressure variations caused by cardio-pulmonary interactions, and their connection to volume status via the Frank–Starling relationship, are well documented in the literature. Computation of pulse pressure variations from arterial pressure measurements is complicated by the fact that systolic and diastolic peaks are not evenly
openaire   +2 more sources