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https://www.readbyqxmd.com/read/29623416/agreement-between-preload-reserve-measured-by-impedance-cardiography-and-echocardiography-during-pregnancy
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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...
February 9, 2018: 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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/29356854/limited-value-of-end-expiratory-inferior-vena-cava-diameter-to-predict-fluid-responsiveness-impact-of-intra-abdominal-pressure
#13
Antoine Vieillard-Baron, Bruno Evrard, Xavier Repessé, Julien Maizel, Christophe Jacob, Marine Goudelin, Cyril Charron, Gwenaël Prat, Michel Slama, Guillaume Geri, Philippe Vignon
PURPOSE: We sought to determine the diagnostic ability of the end-expiratory inferior vena cava diameter (IVCEE ) to predict fluid responsiveness (FR) and the potential confounding effect of intra-abdominal pressure (IAP). METHODS: In this multicenter study, 540 consecutive ventilated patients with shock of various origins underwent an echocardiographic assessment by experts. The IVCEE , velocity time integral (VTI) of the left ventricular outflow tract (LVOT) and intra-abdominal pressure (IAP) were measured...
February 2018: Intensive Care Medicine
https://www.readbyqxmd.com/read/29340792/internal-jugular-vein-variability-predicts-fluid-responsiveness-in-cardiac-surgical-patients-with-mechanical-ventilation
#14
Guo-Guang Ma, Guang-Wei Hao, Xiao-Mei Yang, Du-Ming Zhu, Lan Liu, Hua Liu, Guo-Wei Tu, Zhe Luo
BACKGROUND: To evaluate the efficacy of using internal jugular vein variability (IJVV) as an index of fluid responsiveness in mechanically ventilated patients after cardiac surgery. METHODS: Seventy patients were assessed after cardiac surgery. Hemodynamic data coupled with ultrasound evaluation of IJVV and inferior vena cava variability (IVCV) were collected and calculated at baseline, after a passive leg raising (PLR) test and after a 500-ml fluid challenge. Patients were divided into volume responders (increase in stroke volume ≥ 15%) and non-responders (increase in stroke volume < 15%)...
January 16, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29321048/danish-first-aid-books-compliance-with-the-new-evidence-based-non-resuscitative-first-aid-guidelines
#15
Theo Walther Jensen, Thea Palsgaard Møller, Søren Viereck, Jens Roland, Thomas Egesborg Pedersen, Freddy K Lippert
BACKGROUND: The European Resuscitation Council (ERC) released new guidelines on resuscitation in 2015. For the first time, the guidelines included a separate chapter on first aid for laypersons. We analysed the current major Danish national first aid books to identify potential inconsistencies between the current books and the new evidence-based first aid guidelines. METHODS: We identified first aid books from all the first aid courses offered by major Danish suppliers...
January 10, 2018: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29286882/acute-effects-of-static-stretching-on-passive-stiffness-and-postural-balance-in-healthy-elderly-men
#16
Ty B Palmer, Chinonye C Agu-Udemba, Bailey M Palmer
OBJECTIVES: This study aimed to examine the acute effects of straight-leg raise (SLR) static stretching on passive stiffness and postural balance in healthy, elderly men. An additional aim of this study was to examine the relationships between stiffness and balance at baseline (prior to stretching) and the relationships between the stretch-induced changes in these variables. METHODS: Eleven elderly men (age = 69 ± 6 years; height = 177 ± 7 cm; mass = 83 ± 13 kg) underwent postural balance and passive stiffness assessments before and after: 1) a stretching treatment consisting of four, 15-s SLR static stretches performed by the primary investigator and 2) a control treatment consisting of no static stretching...
February 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29278864/stroke-volume-recruitability-during-the-third-trimester-of-pregnancy
#17
Sandra Herrera, Maggie J Kuhlmann-Capek, Sarah C Rogan, Antonio F Saad, George R Saade, Gary D V Hankins, Luis D Pacheco
OBJECTIVE:  It is unknown whether the heart operates in the ascending or flat portion of the Starling curve during normal pregnancy. Pregnant women do not respond to the passive leg-raising maneuver secondary to mechanical obstruction of the inferior vena cava by the gravid uterus. Our objective was to evaluate if administration of a fluid bolus increases baseline stroke volume (SV) among healthy pregnant patients during the third trimester. STUDY DESIGN:  Healthy pregnant women who underwent elective term cesarean sections were included...
December 26, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/29258779/ultrasound-stroke-volume-variation-induced-by-passive-leg-raising-and-fluid-responsiveness-an-observational-cohort-study
#18
A Trifi, S Abdellatif, F Daly, R Nasri, Y Touil, S Ben Lakhal
OBJECTIVE: To assess the performance of the ultrasound measurement of stroke volume (SV) coupled to passive leg raising (PLR) in predicting fluid responsiveness (FR). DESIGN: A prospective cohort study was carried out in patients requiring volume expansion (VE). A transthoracic Doppler echocardiography (TTE) device was used for the measurement of SV. Four measurements were obtained: before and 90s after PLR, and before and after VE. The patients were subsequently classified according to their hemodynamic response to VE...
December 16, 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/29190853/contributions-of-hamstring-stiffness-to-straight-leg-raise-and-sit-and-reach-test-scores
#19
Naokazu Miyamoto, Kosuke Hirata, Noriko Kimura, Eri Miyamoto-Mikami
The passive straight-leg-raise (PSLR) and the sit-and-reach (SR) tests have been widely used to assess hamstring extensibility. However, it remains unclear to what extent hamstring stiffness (a measure of material properties) contributes to PSLR and SR test scores. Therefore, we aimed to clarify the relationship between hamstring stiffness and PSLR and SR scores using ultrasound shear wave elastography. Ninety-eight healthy subjects completed the study. Each subject completed PSLR testing, and classic and modified SR testing of the right leg...
February 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29171669/volume-responsiveness-assessed-by-passive-leg-raising-and-a-fluid-challenge-a-critical-review-focused-on-mean-systemic-filling-pressure
#20
K Cooke, R Sharvill, S Sondergaard, A Aneman
This review applied cardiovascular principles relevant to the physiology of venous return in interpreting studies on the utility of a passive leg-raising manoeuvre to identify patients who do (responders) or do not respond to a subsequent intravenous volume challenge with an increase in cardiac output. Values for cardiac output, mean arterial and central venous pressure, and the calculated cardiovascular variables mean systemic filling pressure analogue, heart efficiency, cardiac power indexed by volume state and volume efficiency, before and after passive leg raising as well as before and after fluid volume challenge, were extracted from published studies...
March 2018: Anaesthesia
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