Arterial elastance
Changes in dynamic arterial elastance induced by volume expansion and vasopressor in the operating room: a prospective bicentre study
... The arterial load describes all the extracardiac factors opposing left ventricular ejection ...tice, arterial load is often related to systemic vascular ...of arterial load is the evaluation of ...
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Dynamic arterial elastance predicts mean arterial pressure decrease associated with decreasing norepinephrine dosage in septic shock
... systolic arterial pressure (SAP), mean arterial pressure (MAP), diastolic arterial pressure (DAP), CVP, ΔrespPP, ΔrespSV, CO, systemic vascular resistance (SVR), and GEDV were recorded at baseline, ...
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Dynamic arterial elastance as a predictor of arterial pressure response to fluid administration: a validation study
... each arterial load variable, a receiver operating characteristic (ROC) curve was created to test the ability of predicting a positive MAP response after ...
11
Dynamic arterial elastance to predict arterial pressure response to volume loading in preload dependent patients
... of arterial system, but instead a functional measure of cen- tral arterial tone ...of arterial pulse pressure and left ventricular SV during passive mechanical ventilation should provide an actual ...
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Role of ventriculovascular coupling in cardiac response to increased contractility in closed chest dogs
... While both dobutamine and pacing tachycardia augment left ventricular (LV) contractility, whether overall cardiovascular response to these stimuli is comparable is not known. To address this question we studied seven ...
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Cardiovascular determinants of resuscitation from sepsis and septic shock
... [5], arterial elastance (Ea), and their associated derived cardiovascular parameters, allowing a deeper understanding of cardiovascular status and response to ...dynamic arterial elastance (Ea ...
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Impact of arterial load on the agreement between pulse pressure analysis and esophageal Doppler
... indwelling arterial catheter who received a fluid challenge or in whom the vasoactive medication was introduced or ...of arterial load: total systemic vascular resistance (TSVR = mean arterial ...
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Ventriculoarterial decoupling in human septic shock
... the arterial outflow ...systolic arterial pressure. Similarly, increases in arterial systolic pressure for a constant pre- load and Ees will decrease SV and increase end-systolic ...systolic ...
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Effects of inhaled iloprost on right ventricular contractility, right ventriculo vascular coupling and ventricular interdependence: a randomized placebo controlled trial in an experimental model of acute pulmonary hypertension
... Ventricular afterload was quantified as effective arterial elastance (Ea; the ratio of end-systolic pressure to stroke vol- ume). Ventriculo-vascular coupling was described as the ratio of Emax over Ea ...
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In vivo assessment of arterial stiffness in the isoflurane anesthetized spontaneously hypertensive rat
... iliac arterial flow using color-guided Doppler pulse wave analysis for determination of PWV (described in detail ...fective arterial elastance (see ...
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A vibration-based approach to quantifying the dynamic elastance of the superficial arterial wall
... the arterial elastance by the radial blood pressure waveform [16] and photoplethysmogram waveform ...the arterial wall and their relation was ...the arterial wall movement were obtained from ...
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Minimally invasive, patient specific, beat-by-beat estimation of left ventricular time varying elastance
... While atrial contraction contributes significantly to late diastolic filling, ventricular elastance remains largely passive in late diastole [26]. Thus the TVE curve is typically at its baseline value until the ...
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“Awake” extracorporeal membrane oxygenation (ECMO): pathophysiology, technical considerations, and clinical pioneering
... Abbreviations ARDS: acute respiratory distress syndrome; COPD: chronic obstructive pulmonary disease; E: respiratory system elastance; ECMO: extracorporeal membrane oxygenation; ICU: int[r] ...
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The effects of airway pressure release ventilation on respiratory mechanics in extrapulmonary lung injury
... Background: Lung injury is often studied without consideration for pathologic changes in the chest wall. In order to reduce the incidence of lung injury using preemptive mechanical ventilation, it is important to ...
13
Low-pressure support vs automatic tube compensation during spontaneous breathing trial for weaning
... wall elastance in each breath (Fig. 1). Chest wall elastance was computed as the change in Pes over the breath divided by 4% vital capacity expected for gender, age and height ...
10
Impact of obstructive sleep apnea on lung volumes and mechanical properties of the respiratory system in overweight and obese individuals
... At rest, under static conditions, FRC is dependent on the balance of lung elasticity inward recoil forces and chest wall outward recoil forces. Thus, FRC is very sensi- tive to alterations in compliance of the lungs and ...
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Visualisation of time-varying respiratory system elastance in experimental ARDS animal models
... system elastance continuously, thus allowing PEEP to be titrated to minimal elastance [12,14,15], and it was suggested that it can be done using either incremental or decremental phase of a staircase ...
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A multi-scale cardiovascular system model can account for the load-dependence of the end-systolic pressure-volume relationship
... time-varying elastance theory to include various nonlinear pressure-volume relationships ...time-varying elastance theory to account for this resistive effect by includ- ing a flow term in the ...
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Intracranial pressure responsiveness to positive end-expiratory pressure in different respiratory mechanics: a preliminary experimental study in pigs
... Eight healthy, male Bama miniature pigs (weight 10– 20 kg, mean 13.6 kg) were studied. All animals received humane care in compliance with the National Institutes of Health guidelines for the care and use of experimental ...
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Antenatal diagnosis of idiopathic infantile arterial calcification (IIAC): a single centre experience and review of the literature
... infantile arterial calcification (IIAC) is an autosomal recessive condition associated with premature onset of arterial calcification and intimal proliferation secondary to unregulated hydroxyapatite ...
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