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https://www.readbyqxmd.com/read/29756692/the-presence-of-elastic-compression-stockings-reduces-the-fluid-responsiveness-of-patients-in-the-operating-room
#1
Elie Zogheib, Julien Maizel, Nabil Cherradi, Ammar Benammar, Béatrice Labont, Abdel Hchikat, Michael Bernasinski, Faouzi Trojette, Michel Slama, Hervé Dupont
BACKGROUND: To investigate whether elastic compression stockings (ECS) can affect fluid responsiveness parameters before and during passive leg raising (PLR) maneuvers. METHODS: In the operating room (OR), we performed a prospective study including patients referred for cardiac surgery. Blood pressure (BP), ΔPP, heart rate (HR), central venous pressure (CVP), stroke volume (SV) and aortic blood flow (ABF) (by esophageal doppler) were measured according to four conditions: supine position without ECS (baseline 1), lower limbs raised to an angle of 45° (PLR 1), returned to the supine position with ECS (baseline 2), then a second PLR maneuver with ECS was performed (PLR 2)...
May 11, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29744245/reliability-of-passive-leg-raising-stroke-volume-variation-and-pulse-pressure-variation-to-predict-fluid-responsiveness-during-weaning-from-mechanical-ventilation-after-cardiac-surgery-a-prospective-observational-study
#2
Christoph Karl Hofer, Martin Geisen, Sonja Hartnack, Omer Dzemali, Michael Thomas Ganter, Andreas Zollinger
Objective: During assisted ventilation and spontaneous breathing, functional haemodynamic parameters, including stroke volume variation (SVV) and pulse pressure variation (PPV), are of limited value to predict fluid responsiveness, and the passive leg raising (PLR) manoeuvre has been advocated as a surrogate method. We aimed to study the predictive value of SVV, PPV and PLR for fluid responsiveness during weaning from mechanical ventilation after cardiac surgery. Methods: Haemodynamic variables and fluid responsiveness were assessed in 34 patients...
April 2018: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/29742951/carotid-flow-as-a-surrogate-for-cardiac-output-measurement-in-hemodynamically-stable-participants
#3
Marian Sidor, Lalith Premachandra, Bishoy Hanna, Nanda Nair, Amit Misra
OBJECTIVE: Evaluation of common carotid artery (CCA) blood flow can provide valuable information regarding the hemodynamic status of a patient. Utilizing ultrasound, we aimed to evaluate the correlation between cardiac output and different hemodynamic parameters in the CCA, namely systolic carotid flow (SCF), corrected flow time (CFT), and total carotid flow (TCF). METHODS: We studied a pilot sample of 20 healthy volunteers. Hemodynamic parameters were collected in the right CCA and the heart at rest (baseline), 1-leg compression, 2-leg compression, and passive leg raise...
January 1, 2018: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/29729091/systemic-low-frequency-oscillations-observed-in-the-periphery-of-healthy-human-subjects
#4
Yingwei Li, Haibing Zhang, Meiling Yu, Weiwei Yu, Blaise deB Frederick, Yunjie Tong
This study investigated the relationships of systemic low-frequency oscillations (sLFOs) measured at different peripheral sites in resting state, during passive leg raising (PLR), and during a paced breathing (PB) test. Twenty-five healthy subjects (21 to 57 years old; males: 13 and females: 12) were recruited for these experiments. During the experiments, the fluctuations of oxyhemoglobin concentration were measured at six peripheral sites (left and right toes, fingertips, and earlobes) using a multichannel near-infrared spectroscopy instrument developed by our group...
May 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29728410/what-is-the-normal-haemodynamic-response-to-passive-leg-raise-a-study-of-healthy-volunteers
#5
Mohammed H Elwan, Ashraf Roshdy, Joseph A Reynolds, Eman M Elsharkawy, Salah M Eltahan, Timothy J Coats
OBJECTIVE: Passive leg raise (PLR) is used as self-fluid challenge to optimise fluid therapy by predicting preload responsiveness. However, there remains uncertainty around the normal haemodynamic response to PLR with resulting difficulties in application and interpretation in emergency care. We aim to define the haemodynamic responses to PLR in spontaneously breathing volunteers using a non-invasive cardiac output monitor, thoracic electrical bioimpedance, TEB (PLR-TEB). METHODS: We recruited healthy volunteers aged 18 or above...
May 4, 2018: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/29721460/flexibility-responses-to-different-stretching-methods-in-young-elite-basketball-players
#6
Angela Notarnicola, Fabrizio Perroni, Alessio Campese, Giuseppe Maccagnano, Antonio Monno, Biagio Moretti, Silvio Tafuri
Introduction: The aims of study were: 1) to verify the effectiveness of different stretching methods and training; 2) to compare the effects with only training on the flexibility of joints in basketball players. Methods: 30 males basketball players (age: 17±1yrs; BMI: 23.4±3.1), divided into 2 groups (15 experimental group - EG - and 15 control group, CG), participated to study. EG performed 5 different stretching method: passive stretching, active stretching, postural protocol, PNF and dynamic stretching...
October 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/29716910/noninvasive-blood-pressure-monitoring-and-prediction-of-fluid-responsiveness-to-passive-leg-raising
#7
Joya D Pickett, Elizabeth Bridges, Patricia A Kritek, JoAnne D Whitney
BACKGROUND: Intravenous fluid boluses are administered to patients in shock to improve tissue hypoperfusion. However, fluid boluses result in clinically significant stroke volume increases in only about 50% of patients. Hemodynamic responses to passive leg raising measured with invasive and minimally invasive methods are accurate predictors of fluid responsiveness. However, few studies have used noninvasive blood pressure measurement to evaluate responses to passive leg raising. OBJECTIVE: To determine if passive leg raising-induced increases in pulse pressure or systolic blood pressure can be used to predict clinically significant increases in stroke volume index in healthy volunteers...
May 2018: American Journal of Critical Care: An Official Publication, American Association of Critical-Care Nurses
https://www.readbyqxmd.com/read/29705865/real-time-spectral-analysis-of-the-arterial-pressure-waveform-using-a-wirelessly-connected-tablet-computer-a-pilot-study
#8
David Andrew Pybus
Spectral analysis of the arterial pressure waveform, using specialized hardware, has been used for the retrospective calculation of the 'Spectral Peak Ratio' (SPeR) of the respiratory and cardiac arterial spectral peaks. The metric can quantify the cardiovascular response to volume loading by analysing the effect of changing tidal volume (indexed to body weight) (VTI ) on pulse pressure variability. In this pilot study, the feasibility of real-time SPeR calculation, using a mobile computer which was wirelessly connected to the patient monitor, was evaluated by examining the determinants of SPeR in 60 cardiac-surgical patients...
April 28, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29623416/agreement-between-preload-reserve-measured-by-impedance-cardiography-and-echocardiography-during-pregnancy
#9
Huan Liang, Åse Vårtun, Ganesh Acharya
PURPOSE: Accurate assessment of cardiac function is important during pregnancy. Echocardiography and impedance cardiography (ICG) are commonly used noninvasive methods to measure stroke volume (SV) and cardiac output (CO). The difference in stroke volume (ΔSV) or cardiac output (ΔCO) measured at baseline and after passive leg raising (PLR) is a measure of preload reserve that predicts volume responsiveness. However, the agreement between these two methods in measuring preload reserve during pregnancy is unclear...
April 5, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29574777/doppler-renal-resistance-index-for-the-prediction-of-response-to-passive-leg-raising-following-cardiac-surgery
#10
William Beaubien-Souligny, Gabriel Huard, Josée Bouchard, Yoan Lamarche, André Denault, Martin Albert
PURPOSE: Doppler-based renal resistance index (RI) can be measured at the bedside of critically ill patients. This study was designed to assess if the RI predicted an increase in cardiac output (CO) following passive leg-raising (PLR) in patients admitted to the intensive care unit after cardiac surgery. METHODS: During this single center prospective study, Doppler assessment of RI and measurements of CO using the thermodilution method were performed, after surgery, in the intensive care unit before and after PLR...
March 25, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29506842/evaluation-of-the-fluid-responsiveness-in-patients-with-septic-shock-by-ultrasound-plus-the-passive-leg-raising-test
#11
Jingyi Wu, Zhen Wang, Tao Wang, Tao Yu, Jing Yuan, Qingling Zhang, Weihua Lu, Xia Zhang
BACKGROUND: Prompt, accurate, and noninvasive prediction of fluid responsiveness is still lacking in intensive care unit. This study is to investigate the value of the Doppler ultrasound evaluation of variation in brachial artery peak velocity (VVpeakbrach ) and passive leg raising (PLR)-induced changes in the brachial artery peak velocity (ΔVpeakPLR ) in predicting the fluid responsiveness in mechanically ventilated patients with severe sepsis or septic shock. METHODS: A prospective study was conducted involving 62 patients...
April 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29505444/pulse-pressure-and-carotid-artery-doppler-velocimetry-as-indicators-of-maternal-volume-status-a-prospective-cohort-study
#12
Justin R Lappen, Stephen A Myers, Norman Bolden, Ziad Shaman, Venkata Angirekula, Edward K Chien
BACKGROUND: Narrow pulse pressure has been demonstrated to indicate low central volume status. In critically ill patients, volume status can be qualitatively evaluated using Doppler velocimetry to assess hemodynamic changes in the carotid artery in response to autotransfusion with passive leg raise (PLR). Neither parameter has been prospectively evaluated in an obstetric population. The objective of this study was to determine if pulse pressure could predict the response to autotransfusion using carotid artery Doppler in healthy intrapartum women...
March 1, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29468335/use-of-speckle-tracking-strain-in-preload-dependent-patients-need-for-cautious-interpretation
#13
C Nafati, M Gardette, M Leone, L Reydellet, V Blasco, A Lannelongue, F Sayagh, S Wiramus, F Antonini, J Albanèse, L Zieleskiewicz
BACKGROUND: In critical patients, left ventricular ejection fraction and fractional shortening are used to reflect left ventricular systolic function. An emerging technique, two-dimensional-strain echocardiography, allows assessment of the left ventricle systolic longitudinal deformation (global longitudinal strain) and the speed at which this deformation occurs (systolic strain rate). This technique is of increasing use in critical patients in intensive care units and in the peri-operative period where preload constantly varies...
February 21, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29438568/haemodynamic-assessment-and-support-in-sepsis-and-septic-shock-in-resource-limited-settings
#14
David Misango, Rajyabardhan Pattnaik, Tim Baker, Martin W Dünser, Arjen M Dondorp, Marcus J Schultz
Background: Recommendations for haemodynamic assessment and support in sepsis and septic shock in resource-limited settings are largely lacking. Methods: A task force of six international experts in critical care medicine, all of them members of the Global Intensive Care Working Group of the European Society of Intensive Care Medicine and with extensive bedside experience in resource-limited intensive care units, reviewed the literature and provided recommendations regarding haemodynamic assessment and support, keeping aspects of efficacy and effectiveness, availability and feasibility and affordability and safety in mind...
November 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29427013/assessment-of-fluid-responsiveness-in-spontaneously-breathing-patients-a-systematic-review-of-literature
#15
REVIEW
Renato Carneiro de Freitas Chaves, Thiago Domingos Corrêa, Ary Serpa Neto, Bruno de Arruda Bravim, Ricardo Luiz Cordioli, Fabio Tanzillo Moreira, Karina Tavares Timenetsky, Murillo Santucci Cesar de Assunção
Patients who increase stoke volume or cardiac index more than 10 or 15% after a fluid challenge are usually considered fluid responders. Assessment of fluid responsiveness prior to volume expansion is critical to avoid fluid overload, which has been associated with poor outcomes. Maneuvers to assess fluid responsiveness are well established in mechanically ventilated patients; however, few studies evaluated maneuvers to predict fluid responsiveness in spontaneously breathing patients. Our objective was to perform a systematic review of literature addressing the available methods to assess fluid responsiveness in spontaneously breathing patients...
February 9, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29413558/use-of-passive-leg-raise-as-a-volumetric-predictor-of-fluid-responsiveness-in-a-hemorrhagic-swine-model
#16
F Garcia-Pereira, V Paranjape, A Shih
No abstract text is available yet for this article.
September 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29406045/comparing-changes-in-carotid-flow-time-and-stroke-volume-induced-by-passive-leg-raising
#17
MULTICENTER STUDY
Bilal Jalil, Patton Thompson, Rodrigo Cavallazzi, Paul Marik, Jason Mann, Karim El-Kersh, Juan Guardiola, Mohamed Saad
BACKGROUND: Determining volume responsiveness in critically ill patients is challenging. We sought to determine if passive leg raise (PLR) induced changes in pulsed wave Doppler of the carotid artery flow time could predict fluid responsiveness in critically ill patients. MATERIALS AND METHODS: Medical intensive care unit patients ≥18 years old with a radial arterial line and FloTrac/Vigileo monitor in place were enrolled. Pulsed wave Doppler of the carotid artery was performed to measure the change in carotid flow time (CFTC ) in response to a PLR...
February 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29382017/accuracy-of-pleth-variability-index-compared-with-inferior-vena-cava-diameter-to-predict-fluid-responsiveness-in-mechanically-ventilated-patients
#18
COMPARATIVE STUDY
Özcan Pişkin, İbrahim İlker Öz
In the intensive care unit (ICU), stable hemodynamics are very important. Hemodynamic intervention is often effective against multiple organ failure, such as in tissue hypoxia and shock. The administration of intravenous fluids is the first step in regulating tissue perfusion.The main objective of this study is to compare the performance between 2 methods namely pleth variability index (PVI) and IVC distensibily index (dIVC).In this study, the hemodynamic measurements were performed before and after passive leg raising (PLR)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29364033/the-effects-of-cupping-on-hamstring-flexibility-in-collegiate-soccer-players
#19
Jeffrey G Williams, Hannah I Gard, Jeana M Gregory, Amy Gibson, Jennifer Austin
CONTEXT: Collegiate soccer players suffer hamstring injuries due to inflexibility and repetitive motions involving intense hamstring lengthening and contraction during sport. Although a popular intervention for muscular injury, there exists limited evidence of the effects of therapeutic cupping on hamstring flexibility. OBJECTIVE: To determine the effect of cupping therapy on hamstring flexibility in collegiate soccer players. DESIGN: Cohort design...
January 24, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29363638/effect-of-systolic-cardiac-function-on-passive-leg-raising-for-predicting-fluid-responsiveness-a-prospective-observational-study
#20
Xiang Si, Dai-Yin Cao, Juan Chen, Jian-Feng Wu, Zi-Meng Liu, Hai-Lin Xu, Min-Ying Chen, Yong-Jun Liu, Xiang-Dong Guan
BACKGROUND: Passive leg raising (PLR) represents a "self-volume expansion (VE)" that could predict fluid responsiveness, but the influence of systolic cardiac function on PLR has seldom been reported. This study aimed to investigate whether systolic cardiac function, estimated by the global ejection fraction (GEF) from transpulmonary-thermodilution, could influence the diagnostic value of PLR. METHODS: This prospective, observational study was carried out in the surgical Intensive Care Unit of the First Affiliated Hospital of Sun Yat-sen University from December 2013 to July 2015...
February 5, 2018: Chinese Medical Journal
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