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Comparison of accuracy of two uncalibrated pulse contour cardiac output monitors in off-pump coronary artery bypass surgery patients using pulmonary artery catheter-thermodilution as a reference.
BMC Anesthesiol
July 2021
Department of Anesthesiology and Perioperative Medicine and Department of Bioengineering, University of Pittsburgh, A-1305 Scaife Hall, 3550 Terrace Street, Pittsburgh, PA, 15261, USA.
Background: Cardiac output (CO) is a key measure of adequacy of organ and tissue perfusion, especially in critically ill or complex surgical patients. CO monitoring technology continues to evolve. Recently developed CO monitors rely on unique algorithms based on pulse contour analysis of an arterial blood pressure (ABP) waveform.
View Article and Find Full Text PDFAccuracy of stroke volume variation and pulse pressure variation to predict fluid responsiveness in patients with thoracic kyphosis.
Ann Palliat Med
July 2021
Department of Anesthesiology, The Sixth Medical Center of Chinese PLA General Hospital, Beijing, China.
Background: This study aims to evaluate the ability of stroke volume variation (SVV) and pulse pressure variation (PPV) to predict fluid responsiveness in mechanically ventilated patients with thoracic kyphosis.
Methods: A total of 35 patients diagnosed with thoracic kyphosis undergoing corrective surgery were studied. For all patients, the Vigileo/FloTrac system was used for analysis.
The value of a superior vena cava collapsibility index measured with a miniaturized transoesophageal monoplane continuous echocardiography probe to predict fluid responsiveness compared to stroke volume variations in open major vascular surgery: a prospective cohort study.
J Clin Monit Comput
June 2020
University of Medicine and Pharmacy "Carol Davila" Bucharest, Bulevardul Eroii Sanitari Nr. 8, 050474, Bucharest, Romania.
Superior vena cava collapsibility index (SVC-CI) and stroke volume variation (SVV) have been shown to predict fluid responsiveness. SVC-CI has been validated only with conventional transoesophageal echocardiography (TEE) in the SVC long axis, on the basis of SVC diameter variations, but not in the SVC short axis or by SVC area variations. SVV was not previously tested in vascular surgery patients.
View Article and Find Full Text PDFFluid responsiveness prediction using Vigileo FloTrac measured cardiac output changes during passive leg raise test.
J Intensive Care
October 2016
Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK.
Background: Passive leg raising (PLR) is a so called self-volume challenge used to test for fluid responsiveness. Changes in cardiac output (CO) or stroke volume (SV) measured during PLR are used to predict the need for subsequent fluid loading. This requires a device that can measure CO changes rapidly.
View Article and Find Full Text PDFEffects of stroke volume variation, pulse pressure variation, and pleth variability index in predicting fluid responsiveness during different positive end expiratory pressure in prone position.
Zhongguo Yi Xue Ke Xue Yuan Xue Bao
April 2015
Anesthesia and Operation Center, Chinese PLA General Hospital, Beijing 100853, China.
Objective: To investigate the effects of different positive end expiratory pressures (PEEP) on functional hemodynamic parameters in patients lying in prone position during operation under general anesthesia.
Methods: Totally 60 patients undergoing cervical vertebra operation or lumbar vertebra operation were studied. All patients were also monitored with Vigileo／FloTrac system.
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